v2.1.5 - Offload duplicate and COUNT paths, add config/NIP-11 caching, and reduce DB reader threads

v2.1.4 - Harden async EVENT fallback handling and verify relay/nginx 503 behavior
2026-04-01 16:15:46 -04:00 · 2026-04-01 15:19:28 -04:00
35 changed files with 10829 additions and 200 deletions
@@ -0,0 +1,379 @@
+# Plan: Remove All SQLite from lws-main Thread
+
+## Problem Statement
+
+After implementing the 4 offload fixes (v2.1.4), `lws-main` still consumes **53.87% avg CPU** (down from 68.71%). Perf profiling shows **100% of the top symbols are SQLite** — B-tree traversal, page cache, VFS reads. The worker threads (`db-read`, `db-write`, `event-worker`) are nearly idle at 0.0–0.1%.
+
+The goal is to eliminate all synchronous SQLite access from `lws-main` so it only does: JSON parsing, WebSocket I/O, subscription matching (in-memory), and message queuing.
+
+## Thread Architecture Change
+
+Reduce from 7 threads to 4:
+
+```
+Current:  lws-main, db-read-1, db-read-2, db-read-3, db-read-4, db-write, event-worker
+Proposed: lws-main, db-read, db-write, event-worker
+```
+
+The 4 reader threads are overkill — they average 0.07–0.10% CPU each. A single `db-read` thread is sufficient for the current workload. This can be made configurable later if needed.
+
+## Remaining SQLite Calls on lws-main
+
+Every synchronous SQLite call that currently runs on `lws-main`:
+
+### Hot Path — Per-Event (every incoming EVENT message)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `event_id_exists_in_db()` | websockets.c:1324, 2134 | Every EVENT | ~10-50us per B-tree lookup |
+| `get_config_value("relay_pubkey")` | websockets.c:2050 | Every kind-14 EVENT | SQLite SELECT |
+| `get_config_value("admin_pubkey")` | websockets.c:2073 | Every kind-23456 EVENT | SQLite SELECT |
+
+### Hot Path — Per-Connection (every new WebSocket connection)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `get_config_bool("trust_proxy_headers")` | websockets.c:1071 | Every connection | SQLite SELECT |
+| `get_config_bool("nip42_auth_required_events")` | websockets.c:1134 | Every connection | SQLite SELECT |
+| `get_config_bool("nip42_auth_required_subscriptions")` | websockets.c:1135 | Every connection | SQLite SELECT |
+
+### Hot Path — Per-REQ (every subscription request)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `get_config_bool("expiration_enabled")` | main.c:1424 | Every REQ | SQLite SELECT |
+| `get_config_bool("expiration_filter")` | main.c:1425 | Every REQ | SQLite SELECT |
+| `check_database_auth_rules()` | websockets.c:1706 | Every REQ when WoT enabled | SQLite SELECT |
+
+### Medium Path — Per-COUNT (NIP-45)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `thread_pool_execute_count_sync()` | websockets.c:3689 | Every COUNT message | Blocks main thread waiting for db-read |
+
+### Low Path — Periodic (every 60s or on timer)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `refresh_hot_config_if_needed()` | websockets.c:228-247 | Every 5s | 8 SQLite SELECTs |
+| `generate_and_post_status_event()` | websockets.c:3213 | Every N hours | store_event + broadcast |
+| `ip_ban_cleanup/log_stats` | websockets.c:3004-3005 | Every 60s | SQLite reads/writes |
+
+### Per-EVENT — Validator Path (called from event-worker AND sync path)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `get_config_value("admin_pubkey")` | request_validator.c:308 | Every kind-23456 EVENT | SQLite SELECT |
+| `get_config_value("nip42_auth_enabled")` | request_validator.c:326 | Every EVENT | SQLite SELECT |
+| `get_config_bool("pow_enabled")` | request_validator.c:370 | Every EVENT | SQLite SELECT |
+| `get_config_int("pow_min_difficulty")` | request_validator.c:371 | Every EVENT | SQLite SELECT |
+| `get_config_int("pow_validation_flags")` | request_validator.c:372 | Every EVENT | SQLite SELECT |
+| `get_config_int("nip40_expiration_grace_period")` | request_validator.c:432 | Every EVENT with expiration | SQLite SELECT |
+| `get_config_value("auth_enabled")` | request_validator.c:212 | Every EVENT (reload_auth_config) | SQLite SELECT |
+| `get_config_value("auth_rules_enabled")` | request_validator.c:220 | Every EVENT (reload_auth_config) | SQLite SELECT |
+| `db_count_active_whitelist_rules()` | request_validator.c:536 | Every 5s (cached) | Opens separate SQLite connection |
+
+**Note:** These run on the **event-worker** thread for async-eligible events, but on **lws-main** for special kinds (14, 1059, 23456) that go through the sync validation path. They also run on lws-main for the `nostr_validate_unified_request()` call in the sync fallback.
+
+### Per-EVENT — NIP-13 PoW Validation
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `get_config_bool("pow_enabled")` | nip013.c:27 | Every EVENT | SQLite SELECT |
+| `get_config_int("pow_min_difficulty")` | nip013.c:28 | Every EVENT | SQLite SELECT |
+| `get_config_value("pow_mode")` | nip013.c:29 | Every EVENT | SQLite SELECT |
+
+### Per-Broadcast — NIP-40 Expiration Check
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `get_config_bool("expiration_enabled")` | subscriptions.c:764 | Every broadcast | SQLite SELECT |
+| `get_config_bool("expiration_filter")` | subscriptions.c:765 | Every broadcast | SQLite SELECT |
+
+### Per-NIP-11 Request (HTTP, not WebSocket)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| 15+ `get_config_value()` calls | nip011.c:96-110 | Every NIP-11 HTTP request | 15 SQLite SELECTs |
+| 10+ `get_config_int()`/`get_config_bool()` calls | nip011.c:113-123 | Every NIP-11 HTTP request | 10 SQLite SELECTs |
+
+### Per-NIP-42 Auth Event
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `get_config_value("relay_url")` | nip042.c:99 | Every AUTH event | SQLite SELECT |
+| `get_config_int("relay_port")` | nip042.c:103 | Every AUTH event (fallback) | SQLite SELECT |
+
+### Per-NIP-40 Expiration Check (EVENT submission)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| 5 `get_config_bool()`/`get_config_int()` calls | nip040.c:37-41 | Every EVENT with expiration tag | 5 SQLite SELECTs |
+
+### Subscription Lifecycle (per sub create/close/disconnect)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `db_log_subscription_created()` | subscriptions.c:1043 | Every REQ | SQLite INSERT |
+| `db_log_subscription_closed()` | subscriptions.c:1053 | Every CLOSE | SQLite INSERT + UPDATE |
+| `db_log_subscription_disconnected()` | subscriptions.c:1060 | Every disconnect | SQLite UPDATE + INSERT |
+| `db_update_subscription_events_sent()` | subscriptions.c:1088 | Every broadcast match | SQLite UPDATE |
+| `db_cleanup_orphaned_subscriptions()` | subscriptions.c:1100 | Startup only | SQLite DELETE |
+
+### IP Ban System (per-connection and periodic)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `get_config_value("idle_ban_whitelist")` | ip_ban.c:254 | Every ban check | SQLite SELECT |
+| `get_config_bool("auth_fail_ban_enabled")` | ip_ban.c:301, 343 | Every ban check + failure | SQLite SELECT |
+| `get_config_bool("idle_ban_enabled")` | ip_ban.c:307, 394 | Every ban check + idle failure | SQLite SELECT |
+| 6+ `get_config_int()` calls | ip_ban.c:345-399, 464-465 | Every failure recording | SQLite SELECTs |
+| `db_prepare()`/`db_step_stmt()` for ip_bans | ip_ban.c:141-238 | Load at startup + periodic save | SQLite reads/writes |
+
+### Special Kind Sync Path (kinds 14, 1059, 23456)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `store_event()` | websockets.c:1548-1629 | Every special-kind EVENT | Full sync store |
+| `process_admin_event_in_config()` | websockets.c:1468 | Every kind-23456 | Config DB writes |
+| `process_nip17_admin_message()` | websockets.c:1523 | Every kind-1059 when enabled | Decrypt + DB |
+| `process_dm_stats_command()` | websockets.c:3240 | Admin DM stats | Decrypt + query + encrypt |
+| `generate_stats_json()` | api.c:1167 (via dm_admin.c:805) | Admin stats command | Multiple SQLite queries |
+
+### DM Admin Path (called from lws-main for kind 1059/14)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `get_config_value("relay_pubkey")` | dm_admin.c:358, 451 | Every admin DM | SQLite SELECT |
+| `get_config_value("admin_pubkey")` | dm_admin.c:504 | Every admin DM | SQLite SELECT |
+| `get_config_int("nip59_timestamp_max_delay_sec")` | dm_admin.c:373 | Every admin DM | SQLite SELECT |
+| `get_config_int("wot_enabled")` | dm_admin.c:613, 640, 660 | WoT commands | SQLite SELECT |
+
+### API/Monitoring (called from lws-main periodic timer)
+
+| Call | Location | Frequency | Cost |
+|------|----------|-----------|------|
+| `generate_stats_json()` | api.c:1167 | Status post + admin stats | ~10 SQLite queries |
+| `query_time_based_statistics()` | api.c:102 | Monitoring events | SQLite queries |
+| `query_subscription_details()` | api.c:197 | Monitoring events | SQLite queries |
+| `get_config_value("relay_pubkey")` | api.c:419, 821, 1291 | Every monitoring event | SQLite SELECT |
+| `get_config_int("kind_1_status_posts_hours")` | api.c:547 | Status post check | SQLite SELECT |
+| `get_config_int("kind_24567_reporting_throttle_sec")` | api.c:60 | Monitoring throttle | SQLite SELECT |
+
+## Implementation Plan
+
+### Fix 1: Create Global Config Cache — Eliminate ALL get_config_* SQLite Calls
+
+**Impact: Very High** — eliminates 50+ distinct `get_config_value/int/bool` call sites across 8 source files
+
+The audit found `get_config_value/int/bool` calls in: `websockets.c`, `main.c`, `subscriptions.c`, `request_validator.c`, `nip011.c`, `nip013.c`, `nip040.c`, `nip042.c`, `ip_ban.c`, `dm_admin.c`, `api.c`, `config.c`. Every single one does a `SELECT value FROM config WHERE key=?` SQLite query.
+
+**Approach:** Replace `get_config_value_from_table()` with an in-memory hash map that is loaded once at startup and refreshed periodically (every 5s) or on admin config change events.
+
+**Changes:**
+
+1. **New: `config_cache` in config.c** — A simple hash map or fixed array of key-value pairs loaded from the config table:
+   ```c
+   typedef struct {
+       char key[64];
+       char value[512];
+   } config_cache_entry_t;
+   
+   static config_cache_entry_t g_config_cache[256];
+   static int g_config_cache_count = 0;
+   static time_t g_config_cache_last_refresh = 0;
+   static pthread_mutex_t g_config_cache_mutex;
+   #define CONFIG_CACHE_TTL_SEC 5
+   ```
+
+2. **Modify `get_config_value_from_table()`** — Instead of querying SQLite, look up in the in-memory cache. If cache is stale, refresh from SQLite (but only once per TTL period, not per call).
+
+3. **Add `config_cache_refresh()`** — Loads all rows from `SELECT key, value FROM config` into the hash map. Called:
+   - Once at startup after config table is populated
+   - Every 5 seconds from the existing `refresh_hot_config_if_needed()` timer
+   - Immediately after `process_admin_event_in_config()` modifies config
+
+4. **Thread safety:** The cache is read from lws-main and event-worker threads. Use a read-write lock or double-buffer pattern. Since config changes are rare, a simple mutex with short hold time is fine.
+
+5. **Remove the existing `hot_config_cache_t`** in websockets.c — it becomes redundant since the global config cache serves the same purpose with broader coverage.
+
+This single change eliminates SQLite calls from:
+- Per-connection: `trust_proxy_headers`, `nip42_auth_required_*` (websockets.c)
+- Per-REQ: `expiration_enabled`, `expiration_filter` (main.c)
+- Per-EVENT: `admin_pubkey`, `relay_pubkey`, `nip42_auth_enabled`, `pow_*` (request_validator.c, nip013.c)
+- Per-broadcast: `expiration_enabled`, `expiration_filter` (subscriptions.c)
+- Per-NIP-11: 25+ config values (nip011.c)
+- Per-NIP-42: `relay_url`, `relay_port` (nip042.c)
+- Per-NIP-40: 5 expiration config values (nip040.c)
+- Per-IP-ban: `idle_ban_*`, `auth_fail_*` config values (ip_ban.c)
+- Per-admin-DM: `relay_pubkey`, `admin_pubkey`, `wot_enabled` (dm_admin.c)
+- Per-monitoring: `relay_pubkey`, throttle values (api.c)
+
+### Fix 2: Move Duplicate Check to Event Worker Thread
+
+**Impact: High** — eliminates the most frequent per-EVENT SQLite call from lws-main
+
+Currently `event_id_exists_in_db()` runs on lws-main before async submission. Move it into the `async_event_worker_main()` function, which already has its own SQLite connection.
+
+**Changes:**
+- Remove `event_id_exists_in_db()` calls from both EVENT paths in websockets.c (lines 1324 and 2134)
+- Add the duplicate check at the start of `async_event_worker_main()` before `nostr_validate_unified_request()`
+- If duplicate found, set `completion->success = 1` and `completion->error_message = "duplicate: already have this event"` and skip crypto
+- The completion handler already sends OK responses, so this works seamlessly
+
+**Trade-off:** Without the early dedup check on lws-main, duplicate events will be submitted to the event worker queue and consume a queue slot + thread wakeup before being detected. This is acceptable because:
+- The worker thread dedup check is still fast (B-tree index lookup)
+- It avoids the much larger cost of running SQLite on lws-main for every event
+- Queue depth is 4096, so even under heavy duplicate traffic this won't overflow
+
+### Fix 3: Make COUNT Queries Async
+
+**Impact: Medium** — eliminates blocking wait on lws-main for NIP-45 COUNT
+
+Currently `handle_count_message()` calls `thread_pool_execute_count_sync()` which blocks lws-main waiting for the db-read worker. Convert to the same async pattern used for REQ queries.
+
+**Changes:**
+- Create `count_async_state_t` similar to `req_async_state_t`
+- Create `count_async_completion_t` with count result
+- Add `submit_count_query_async()` that uses `thread_pool_submit_read()` with a callback
+- The callback pushes to a count completion queue
+- Add `process_count_async_completions()` to drain the queue on lws-main and send COUNT responses
+- Call it from the main event loop alongside `process_req_async_completions()`
+
+### Fix 4: Cache Auth Rules Check Result
+
+**Impact: Low-Medium** — eliminates per-REQ SQLite when WoT is enabled
+
+`check_database_auth_rules()` at websockets.c:1706 runs a SQLite query for every REQ when `wot_enabled == 2`. Cache the result per-session.
+
+**Changes:**
+- Add `wot_checked` and `wot_allowed` fields to `per_session_data`
+- On first REQ, call `check_database_auth_rules()` and cache the result
+- On subsequent REQs from the same session, use the cached value
+- Reset cache when auth state changes (e.g., after NIP-42 AUTH)
+
+### Fix 5: Move Special-Kind EVENT Store to Event Worker
+
+**Impact: Low** — special kinds are rare but currently do full sync store on lws-main
+
+Kinds 14, 1059, and 23456 are currently excluded from async processing because they have special handling. However, the `store_event()` call within those paths still blocks lws-main.
+
+**Changes:**
+- For kind 1059 and kind 14: after special processing completes, submit the store to the event worker instead of calling `store_event()` synchronously
+- For kind 23456: admin events are not stored (processed by admin API), so no change needed
+- This requires the special processing (decryption, admin check) to still happen on lws-main (it needs `pss` context), but the final DB write goes async
+
+### Fix 6: Reduce Reader Threads from 4 to 1
+
+**Impact: Resource savings** — 3 fewer threads, 3 fewer SQLite connections
+
+**Changes:**
+- Change default `reader_threads` in `thread_pool_init()` from 4 to 1
+- Or make it configurable via config with default 1
+- The single `db-read` thread handles all REQ and COUNT queries sequentially
+- If future profiling shows the read thread becoming a bottleneck, increase back to 2+
+
+### Fix 7: Move Subscription Logging Off Main Thread
+
+**Impact: Medium** — eliminates per-REQ INSERT, per-CLOSE UPDATE, per-broadcast UPDATE
+
+The subscription lifecycle functions in subscriptions.c do synchronous SQLite writes on lws-main:
+- `db_log_subscription_created()` — INSERT on every REQ
+- `db_log_subscription_closed()` — INSERT + UPDATE on every CLOSE
+- `db_log_subscription_disconnected()` — UPDATE + INSERT on every disconnect
+- `db_update_subscription_events_sent()` — UPDATE on every broadcast match
+
+**Changes:**
+- Submit these as fire-and-forget write jobs to the db-write thread via `thread_pool_submit_write()`
+- Create a new job type `THREAD_POOL_JOB_SUBSCRIPTION_LOG` or simply use a generic callback job
+- The main thread doesn't need to wait for these to complete — they're purely observational logging
+
+### Fix 8: Move Periodic Tasks Off Main Thread
+
+**Impact: Low** — these run every 60s but can still cause latency spikes
+
+- `generate_and_post_status_event()`: Submit as an async job to the event worker
+- `ip_ban_cleanup()`/`ip_ban_log_stats()`/`ip_ban_save()`: These do SQLite reads/writes. Move to a periodic job on the db-write thread
+- Config cache refresh (Fix 1) replaces the old `refresh_hot_config_if_needed()` SQLite queries
+
+### Fix 9: Cache NIP-11 Response
+
+**Impact: Low-Medium** — eliminates 25+ SQLite SELECTs per NIP-11 HTTP request
+
+`generate_relay_info_json()` in nip011.c calls `get_config_value()` 15 times and `get_config_int()`/`get_config_bool()` 10 times. After Fix 1 (global config cache), these become in-memory lookups. But we can go further:
+
+**Changes:**
+- Cache the serialized NIP-11 JSON response string with a TTL (e.g., 60 seconds)
+- On NIP-11 request, return the cached string directly without rebuilding
+- Invalidate on admin config change events
+
+## Implementation Order
+
+| # | Fix | Risk | Complexity |
+|---|-----|------|------------|
+| 1 | Global config cache (replaces all get_config_* SQLite) | Low | Medium |
+| 2 | Move dedup check to event worker | Low | Low |
+| 3 | Async COUNT queries | Low | Medium |
+| 4 | Cache WoT auth rules per-session | Very Low | Low |
+| 5 | Async store for special kinds | Medium | Medium |
+| 6 | Reduce reader threads to 1 | Very Low | Trivial |
+| 7 | Move subscription logging off main thread | Low | Low-Medium |
+| 8 | Move periodic tasks off main thread | Low | Medium |
+| 9 | Cache NIP-11 response | Very Low | Low |
+
+## Expected Impact
+
+After all 9 fixes, `lws-main` should have **zero direct SQLite calls**. Its work becomes:
+- JSON parse incoming messages (~fast)
+- In-memory subscription matching (~fast)
+- In-memory config lookups (~fast, hash map)
+- Message formatting and queuing (~fast)
+- `lws_service()` I/O (~fast)
+- Draining completion queues (~fast)
+
+### Impact by fix
+
+| Fix | SQLite calls eliminated | Frequency |
+|-----|------------------------|-----------|
+| Fix 1: Global config cache | ~50+ `get_config_*` call sites across 8 files | Per-event, per-connection, per-REQ, per-broadcast, per-NIP-11 |
+| Fix 2: Dedup to event worker | 2 `event_id_exists_in_db()` calls | Per-EVENT |
+| Fix 3: Async COUNT | 1 `thread_pool_execute_count_sync()` | Per-COUNT message |
+| Fix 4: WoT cache per-session | 1 `check_database_auth_rules()` | Per-REQ when WoT enabled |
+| Fix 5: Async special-kind store | ~6 `store_event()` calls | Per special-kind EVENT |
+| Fix 6: Reduce readers | N/A (resource savings) | N/A |
+| Fix 7: Async subscription logging | 4 `db_log_*`/`db_update_*` calls | Per-REQ, per-CLOSE, per-broadcast |
+| Fix 8: Async periodic tasks | `generate_stats_json()`, `ip_ban_*` | Every 60s |
+| Fix 9: Cache NIP-11 | 25+ config lookups per request | Per NIP-11 HTTP request |
+
+Estimated main-thread CPU reduction: from **54% to ~5-10%** (mostly WebSocket I/O, subscription matching, and JSON parsing).
+
+## Thread Model After Changes
+
+```
+lws-main     — WebSocket I/O, JSON parse, subscription match, message queue
+               NO SQLite. Pure compute + I/O.
+
+db-read      — All SELECT queries: REQ results, COUNT results, config refresh,
+               auth rule checks, event dedup checks via completion queue
+
+db-write     — All INSERT/UPDATE: event storage, tag inserts, IP ban persistence,
+               status event generation
+
+event-worker — EVENT validation: signature verification, then submits store to
+               db-write via completion queue, results flow back to lws-main
+```
+
+```mermaid
+flowchart LR
+    CLIENT[Nostr Clients] --> LWS[lws-main<br/>WebSocket I/O<br/>JSON parse<br/>Sub matching<br/>NO SQLite]
+    
+    LWS -->|EVENT submit| EW[event-worker<br/>Sig verify<br/>Dedup check]
+    EW -->|store job| DW[db-write<br/>INSERT events<br/>INSERT tags<br/>IP ban save]
+    EW -->|completion| LWS
+    DW -->|completion| LWS
+    
+    LWS -->|REQ/COUNT submit| DR[db-read<br/>SELECT queries<br/>Config refresh<br/>Auth checks]
+    DR -->|completion| LWS
+    
+    LWS -->|OK/EVENT/EOSE| CLIENT
+```
@@ -1 +1 @@
-613914
+694269
@@ -251,14 +251,21 @@ const char* get_config_value(const char* key) {
    if (!key) {
        return NULL;
    }
-    return get_config_value_from_table(key);
+
+    const char* cached = get_config_value_from_table(key);
+    if (!cached) {
+        return NULL;
+    }
+
+    // Public API returns an owned string; callers may free it.
+    return cached;
 }

 int get_config_int(const char* key, int default_value) {
    if (!key) {
        return default_value;
    }
-    const char* value = get_config_value_from_table(key);
+    const char* value = get_config_value(key);
    if (!value) {
        return default_value;
    }
@@ -271,7 +278,7 @@ int get_config_bool(const char* key, int default_value) {
    if (!key) {
        return default_value;
    }
-    const char* value = get_config_value_from_table(key);
+    const char* value = get_config_value(key);
    if (!value) {
        return default_value;
    }
@@ -1606,13 +1613,7 @@ int handle_configuration_event(cJSON* event, char* error_message, size_t error_s
 // Note: Config table is now created via embedded schema in sql_schema.h

 // Get value from config table
-const char* get_config_value_from_table(const char* key) {
-    if (!db_is_available() || !key) {
-        return NULL;
-    }
-
-    return db_get_config_value_dup(key);
-}
+const char* get_config_value_from_table(const char* key);

 // Set value in config table
 int set_config_value_in_table(const char* key, const char* value, const char* data_type,
@@ -1621,7 +1622,12 @@ int set_config_value_in_table(const char* key, const char* value, const char* da
        return -1;
    }

-    return db_set_config_value_full(key, value, data_type, description, category, requires_restart);
+    int rc = db_set_config_value_full(key, value, data_type, description, category, requires_restart);
+    if (rc == 0) {
+        invalidate_config_cache();
+    }
+
+    return rc;
 }

 // Update config in table (simpler version of set_config_value_in_table)
@@ -1637,7 +1643,12 @@ int update_config_in_table(const char* key, const char* value) {
        return -1;
    }

-    return db_update_config_value_only(key, value);
+    int rc = db_update_config_value_only(key, value);
+    if (rc == 0) {
+        invalidate_config_cache();
+    }
+
+    return rc;
 }

 // DEPRECATED: This function is no longer used in the unified startup flow.
@@ -4454,6 +4465,108 @@ int populate_all_config_values_atomic(const char* admin_pubkey, const char* rela
 // CONFIGURATION CACHE MANAGEMENT
 // ================================

+#define CONFIG_CACHE_MAX_ITEMS 256
+
+typedef struct {
+    char key[128];
+    char value[CONFIG_VALUE_MAX_LENGTH + 1];
+    int in_use;
+} config_cache_entry_t;
+
+static config_cache_entry_t g_config_cache[CONFIG_CACHE_MAX_ITEMS];
+static pthread_mutex_t g_config_cache_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+static int find_cache_index_by_key(const char* key) {
+    if (!key) {
+        return -1;
+    }
+
+    for (int i = 0; i < CONFIG_CACHE_MAX_ITEMS; i++) {
+        if (g_config_cache[i].in_use && strcmp(g_config_cache[i].key, key) == 0) {
+            return i;
+        }
+    }
+
+    return -1;
+}
+
+static int find_empty_cache_index(void) {
+    for (int i = 0; i < CONFIG_CACHE_MAX_ITEMS; i++) {
+        if (!g_config_cache[i].in_use) {
+            return i;
+        }
+    }
+
+    return -1;
+}
+
+static void clear_config_cache_locked(void) {
+    memset(g_config_cache, 0, sizeof(g_config_cache));
+}
+
+void invalidate_config_cache(void) {
+    pthread_mutex_lock(&g_config_cache_mutex);
+    clear_config_cache_locked();
+    pthread_mutex_unlock(&g_config_cache_mutex);
+}
+
+void force_config_cache_refresh(void) {
+    invalidate_config_cache();
+}
+
+int reload_config_from_table(void) {
+    force_config_cache_refresh();
+    return 0;
+}
+
+const char* get_config_value_from_table(const char* key) {
+    if (!db_is_available() || !key) {
+        return NULL;
+    }
+
+    pthread_mutex_lock(&g_config_cache_mutex);
+
+    int idx = find_cache_index_by_key(key);
+    if (idx >= 0) {
+        const char* result = strdup(g_config_cache[idx].value);
+        pthread_mutex_unlock(&g_config_cache_mutex);
+        return result;
+    }
+
+    pthread_mutex_unlock(&g_config_cache_mutex);
+
+    char* db_value = db_get_config_value_dup(key);
+    if (!db_value) {
+        return NULL;
+    }
+
+    pthread_mutex_lock(&g_config_cache_mutex);
+
+    idx = find_cache_index_by_key(key);
+    if (idx < 0) {
+        idx = find_empty_cache_index();
+    }
+
+    if (idx >= 0) {
+        g_config_cache[idx].in_use = 1;
+        strncpy(g_config_cache[idx].key, key, sizeof(g_config_cache[idx].key) - 1);
+        g_config_cache[idx].key[sizeof(g_config_cache[idx].key) - 1] = '\0';
+        strncpy(g_config_cache[idx].value, db_value, sizeof(g_config_cache[idx].value) - 1);
+        g_config_cache[idx].value[sizeof(g_config_cache[idx].value) - 1] = '\0';
+    }
+
+    pthread_mutex_unlock(&g_config_cache_mutex);
+
+    return db_value;
+}
+
+const char* get_admin_pubkey_cached(void) {
+    return get_config_value_from_table("admin_pubkey");
+}
+
+const char* get_relay_pubkey_cached(void) {
+    return get_config_value_from_table("relay_pubkey");
+}

 // ================================
 // HYBRID CONFIG ACCESS FUNCTIONS
@@ -925,6 +925,51 @@ int db_store_config_event(const cJSON* event) {
    return (rc == SQLITE_DONE) ? 0 : -1;
 }

+static int db_insert_event_tags_json_with_db(sqlite3* db, const char* event_id, const char* tags_json) {
+    if (!db || !event_id || !tags_json) {
+        return -1;
+    }
+
+    cJSON* tags = cJSON_Parse(tags_json);
+    if (!tags || !cJSON_IsArray(tags)) {
+        if (tags) cJSON_Delete(tags);
+        return 0;
+    }
+
+    const char* sql = "INSERT INTO event_tags (event_id, tag_name, tag_value, tag_index) VALUES (?, ?, ?, ?)";
+    sqlite3_stmt* stmt = NULL;
+    if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) != SQLITE_OK) {
+        cJSON_Delete(tags);
+        return -1;
+    }
+
+    int tag_index = 0;
+    cJSON* tag = NULL;
+    cJSON_ArrayForEach(tag, tags) {
+        if (cJSON_IsArray(tag) && cJSON_GetArraySize(tag) >= 2) {
+            cJSON* name = cJSON_GetArrayItem(tag, 0);
+            cJSON* value = cJSON_GetArrayItem(tag, 1);
+            if (cJSON_IsString(name) && cJSON_IsString(value)) {
+                sqlite3_reset(stmt);
+                sqlite3_clear_bindings(stmt);
+                sqlite3_bind_text(stmt, 1, event_id, -1, SQLITE_STATIC);
+                sqlite3_bind_text(stmt, 2, cJSON_GetStringValue(name), -1, SQLITE_STATIC);
+                sqlite3_bind_text(stmt, 3, cJSON_GetStringValue(value), -1, SQLITE_STATIC);
+                sqlite3_bind_int(stmt, 4, tag_index);
+
+                if (sqlite3_step(stmt) != SQLITE_DONE) {
+                    DEBUG_WARN("Failed to insert event tag for %s: %s", event_id, sqlite3_errmsg(db));
+                }
+            }
+        }
+        tag_index++;
+    }
+
+    sqlite3_finalize(stmt);
+    cJSON_Delete(tags);
+    return 0;
+}
+
 int db_insert_event_with_json(const char* id, const char* pubkey, long long created_at,
                              int kind, const char* event_type, const char* content,
                              const char* sig, const char* tags_json, const char* event_json,
@@ -957,6 +1002,10 @@ int db_insert_event_with_json(const char* id, const char* pubkey, long long crea
    int extended_errcode = sqlite3_extended_errcode(db);
    sqlite3_finalize(stmt);

+    if (step_rc == SQLITE_DONE) {
+        (void)db_insert_event_tags_json_with_db(db, id, tags_json);
+    }
+
    if (out_step_rc) {
        *out_step_rc = step_rc;
    }
@@ -1107,17 +1107,9 @@ void store_event_post_actions(cJSON* event) {
        return;
    }

-    cJSON* id = cJSON_GetObjectItemCaseSensitive(event, "id");
-    cJSON* tags = cJSON_GetObjectItemCaseSensitive(event, "tags");
-
    // Call monitoring hook after successful event storage
    monitoring_on_event_stored();

-    // After successful event storage, insert denormalized tags
-    if (id && cJSON_IsString(id)) {
-        store_event_tags(cJSON_GetStringValue(id), tags);
-    }
-
    // Check if this is a kind 3 event from the admin — trigger WoT sync
    cJSON* kind_obj = cJSON_GetObjectItemCaseSensitive(event, "kind");
    cJSON* pubkey_obj = cJSON_GetObjectItemCaseSensitive(event, "pubkey");
@@ -2309,7 +2301,7 @@ int main(int argc, char* argv[]) {
    if (thread_pool_enabled) {
        thread_pool_config_t tp_cfg;
        memset(&tp_cfg, 0, sizeof(tp_cfg));
-        tp_cfg.reader_threads = get_config_int("thread_pool_readers", 4);
+        tp_cfg.reader_threads = get_config_int("thread_pool_readers", 1);
        tp_cfg.max_queue_depth = get_config_int("thread_pool_max_queue_depth", 4096);
        tp_cfg.db_path = g_database_path;
        tp_cfg.wake_loop_cb = wake_event_loop_from_thread_pool;
@@ -13,8 +13,8 @@
 // Using CRELAY_ prefix to avoid conflicts with nostr_core_lib VERSION macros
 #define CRELAY_VERSION_MAJOR 2
 #define CRELAY_VERSION_MINOR 1
-#define CRELAY_VERSION_PATCH 3
-#define CRELAY_VERSION "v2.1.3"
+#define CRELAY_VERSION_PATCH 5
+#define CRELAY_VERSION "v2.1.5"

 // Relay metadata (authoritative source for NIP-11 information)
 #define RELAY_NAME "C-Relay"
@@ -23,6 +23,67 @@ int get_config_bool(const char* key, int default_value);
 #define HTTP_STATUS_INTERNAL_SERVER_ERROR 500


+#define NIP11_CACHE_TTL_SEC 5
+
+static pthread_mutex_t g_nip11_cache_mutex = PTHREAD_MUTEX_INITIALIZER;
+static char* g_nip11_cached_json = NULL;
+static size_t g_nip11_cached_json_len = 0;
+static time_t g_nip11_cache_expires_at = 0;
+
+cJSON* generate_relay_info_json();
+
+static void invalidate_nip11_cache_locked(void) {
+    if (g_nip11_cached_json) {
+        free(g_nip11_cached_json);
+        g_nip11_cached_json = NULL;
+    }
+    g_nip11_cached_json_len = 0;
+    g_nip11_cache_expires_at = 0;
+}
+
+static char* get_nip11_json_cached_dup(size_t* out_len) {
+    time_t now = time(NULL);
+
+    pthread_mutex_lock(&g_nip11_cache_mutex);
+    if (g_nip11_cached_json && now < g_nip11_cache_expires_at) {
+        char* copy = strdup(g_nip11_cached_json);
+        if (copy && out_len) {
+            *out_len = g_nip11_cached_json_len;
+        }
+        pthread_mutex_unlock(&g_nip11_cache_mutex);
+        return copy;
+    }
+    pthread_mutex_unlock(&g_nip11_cache_mutex);
+
+    cJSON* info_json = generate_relay_info_json();
+    if (!info_json) {
+        return NULL;
+    }
+
+    char* fresh_json = cJSON_Print(info_json);
+    cJSON_Delete(info_json);
+    if (!fresh_json) {
+        return NULL;
+    }
+
+    size_t fresh_len = strlen(fresh_json);
+
+    pthread_mutex_lock(&g_nip11_cache_mutex);
+    invalidate_nip11_cache_locked();
+    g_nip11_cached_json = strdup(fresh_json);
+    if (g_nip11_cached_json) {
+        g_nip11_cached_json_len = fresh_len;
+        g_nip11_cache_expires_at = now + NIP11_CACHE_TTL_SEC;
+    }
+    pthread_mutex_unlock(&g_nip11_cache_mutex);
+
+    if (out_len) {
+        *out_len = fresh_len;
+    }
+    return fresh_json;
+}
+
+
 /////////////////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////////////////
 //             NIP-11 RELAY INFORMATION DOCUMENT
@@ -80,8 +141,9 @@ void init_relay_info() {

 // Clean up relay information JSON objects
 void cleanup_relay_info() {
-    // NIP-11 relay information is now generated dynamically from config table
-    // No cleanup needed - data is fetched directly from database when requested
+    pthread_mutex_lock(&g_nip11_cache_mutex);
+    invalidate_nip11_cache_locked();
+    pthread_mutex_unlock(&g_nip11_cache_mutex);
 }

 // Generate NIP-11 compliant JSON document
@@ -348,9 +410,10 @@ int handle_nip11_http_request(struct lws* wsi, const char* accept_header) {
        return -1; // Close connection
    }
    
-    // Generate relay information JSON
-    cJSON* info_json = generate_relay_info_json();
-    if (!info_json) {
+    // Generate (or fetch cached) relay information JSON
+    size_t json_len = 0;
+    char* json_string = get_nip11_json_cached_dup(&json_len);
+    if (!json_string) {
        DEBUG_ERROR("Failed to generate relay info JSON");
        unsigned char buf[LWS_PRE + 256];
        unsigned char *p = &buf[LWS_PRE];
@@ -373,34 +436,6 @@ int handle_nip11_http_request(struct lws* wsi, const char* accept_header) {
        return -1;
    }
    
-    char* json_string = cJSON_Print(info_json);
-    cJSON_Delete(info_json);
-
-    if (!json_string) {
-        DEBUG_ERROR("Failed to serialize relay info JSON");
-        unsigned char buf[LWS_PRE + 256];
-        unsigned char *p = &buf[LWS_PRE];
-        unsigned char *start = p;
-        unsigned char *end = &buf[sizeof(buf) - 1];
-
-        if (lws_add_http_header_status(wsi, HTTP_STATUS_INTERNAL_SERVER_ERROR, &p, end)) {
-            return -1;
-        }
-        if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_CONTENT_TYPE, (unsigned char*)"text/plain", 10, &p, end)) {
-            return -1;
-        }
-        if (lws_add_http_header_content_length(wsi, 0, &p, end)) {
-            return -1;
-        }
-        if (lws_finalize_http_header(wsi, &p, end)) {
-            return -1;
-        }
-        lws_write(wsi, start, p - start, LWS_WRITE_HTTP_HEADERS);
-        return -1;
-    }
-
-    size_t json_len = strlen(json_string);
-    
    // Allocate session data to manage buffer lifetime across callbacks
    struct nip11_session_data* session_data = malloc(sizeof(struct nip11_session_data));
    if (!session_data) {
@@ -129,6 +129,14 @@ typedef struct {
 static nip42_challenge_manager_t g_challenge_manager = {0};
 static int g_validator_initialized = 0;

+typedef struct {
+  int has_active_whitelist_rules;
+  time_t last_refresh;
+} auth_rules_fast_cache_t;
+
+static auth_rules_fast_cache_t g_auth_rules_fast_cache = {0};
+#define AUTH_RULES_CACHE_TTL_SEC 5
+
 // Last rule violation details for status code mapping
 struct {
  char violation_type[100]; // "pubkey_blacklist", "hash_blacklist",
@@ -502,10 +510,10 @@ void nostr_request_result_free_file_data(nostr_request_result_t *result) {


 /**
- * Force cache refresh - cache no longer exists, function kept for compatibility
+ * Force cache refresh for auth rule fast cache.
 */
 void nostr_request_validator_force_cache_refresh(void) {
-  // Cache no longer exists - direct database queries are used
+  g_auth_rules_fast_cache.last_refresh = 0;
 }

 /**
@@ -520,6 +528,17 @@ static int reload_auth_config(void) {

 // Note: Blossom protocol validation removed - C-relay uses standard Nostr events only

+static int has_active_whitelist_rules_cached(void) {
+  time_t now = time(NULL);
+  if (g_auth_rules_fast_cache.last_refresh == 0 ||
+      (now - g_auth_rules_fast_cache.last_refresh) >= AUTH_RULES_CACHE_TTL_SEC) {
+    g_auth_rules_fast_cache.has_active_whitelist_rules =
+        (db_count_active_whitelist_rules() > 0) ? 1 : 0;
+    g_auth_rules_fast_cache.last_refresh = now;
+  }
+  return g_auth_rules_fast_cache.has_active_whitelist_rules;
+}
+
 /**
 * Check database authentication rules for the request
 * Implements the 6-step rule evaluation engine from AUTH_API.md
@@ -553,7 +572,7 @@ int check_database_auth_rules(const char *pubkey, const char *operation __attrib
  }

  // Step 4: If any whitelist rules exist, deny by default
-  if (db_count_active_whitelist_rules() > 0) {
+  if (has_active_whitelist_rules_cached()) {
    strcpy(g_last_rule_violation.violation_type, "whitelist_violation");
    strcpy(g_last_rule_violation.reason,
           "Public key not whitelisted for this operation");
@@ -330,6 +330,7 @@ typedef struct async_event_completion {
    int success;
    int should_broadcast;
    int run_post_actions;
+    char ok_message[128];
    char error_message[512];
    struct async_event_completion* next;
 } async_event_completion_t;
@@ -346,6 +347,27 @@ static async_event_completion_t* g_async_event_completion_tail = NULL;
 static pthread_t g_async_event_worker_thread;
 static int g_async_event_worker_running = 0;

+typedef struct count_async_state {
+    char sub_id[SUBSCRIPTION_ID_MAX_LENGTH];
+    struct lws* wsi;
+    struct per_session_data* pss_token;
+    int pending_jobs;
+    int total_count;
+    int had_error;
+    char error_message[256];
+} count_async_state_t;
+
+typedef struct count_async_completion {
+    count_async_state_t* state;
+    thread_pool_status_t status;
+    int count;
+    struct count_async_completion* next;
+} count_async_completion_t;
+
+static pthread_mutex_t g_count_async_completion_mutex = PTHREAD_MUTEX_INITIALIZER;
+static count_async_completion_t* g_count_async_completion_head = NULL;
+static count_async_completion_t* g_count_async_completion_tail = NULL;
+
 static void map_validation_error_message(int validation_result, char* out, size_t out_size) {
    if (!out || out_size == 0) return;

@@ -460,21 +482,6 @@ static int event_is_async_eligible(cJSON* event, int* out_kind, char event_id_ou
        return 0;
    }

-    // Keep NIP-70 protected events on main thread (depends on auth/session checks).
-    cJSON* tags = cJSON_GetObjectItemCaseSensitive(event, "tags");
-    if (tags && cJSON_IsArray(tags)) {
-        cJSON* tag = NULL;
-        cJSON_ArrayForEach(tag, tags) {
-            if (cJSON_IsArray(tag) && cJSON_GetArraySize(tag) >= 1) {
-                cJSON* tag_name = cJSON_GetArrayItem(tag, 0);
-                if (tag_name && cJSON_IsString(tag_name) &&
-                    strcmp(cJSON_GetStringValue(tag_name), "-") == 0) {
-                    return 0;
-                }
-            }
-        }
-    }
-
    strncpy(event_id_out, event_id, 64);
    event_id_out[64] = '\0';
    *out_kind = kind;
@@ -521,38 +528,46 @@ static void* async_event_worker_main(void* arg) {
        strncpy(completion->event_id, job->event_id, sizeof(completion->event_id) - 1);
        completion->event_id[sizeof(completion->event_id) - 1] = '\0';

-        int validation_result = nostr_validate_unified_request(completion->event_json, strlen(completion->event_json));
-        if (validation_result != NOSTR_SUCCESS) {
-            completion->success = 0;
+        if (job->event_id[0] != '\0' && event_id_exists_in_db(job->event_id)) {
+            completion->success = 1;
            completion->should_broadcast = 0;
-            map_validation_error_message(validation_result, completion->error_message, sizeof(completion->error_message));
+            completion->run_post_actions = 0;
+            snprintf(completion->ok_message, sizeof(completion->ok_message),
+                     "duplicate: already have this event");
        } else {
-            cJSON* event_obj = cJSON_Parse(completion->event_json);
-            if (!event_obj || !cJSON_IsObject(event_obj)) {
+            int validation_result = nostr_validate_unified_request(completion->event_json, strlen(completion->event_json));
+            if (validation_result != NOSTR_SUCCESS) {
                completion->success = 0;
                completion->should_broadcast = 0;
-                strncpy(completion->error_message, "error: failed to parse event", sizeof(completion->error_message) - 1);
-                completion->error_message[sizeof(completion->error_message) - 1] = '\0';
+                map_validation_error_message(validation_result, completion->error_message, sizeof(completion->error_message));
            } else {
-                if (job->event_kind >= 20000 && job->event_kind < 30000) {
-                    completion->success = 1;
-                    completion->should_broadcast = 1;
-                    completion->run_post_actions = 0;
+                cJSON* event_obj = cJSON_Parse(completion->event_json);
+                if (!event_obj || !cJSON_IsObject(event_obj)) {
+                    completion->success = 0;
+                    completion->should_broadcast = 0;
+                    strncpy(completion->error_message, "error: failed to parse event", sizeof(completion->error_message) - 1);
+                    completion->error_message[sizeof(completion->error_message) - 1] = '\0';
                } else {
-                    int core_rc = store_event_core(event_obj);
-                    if (core_rc < 0) {
-                        completion->success = 0;
-                        completion->should_broadcast = 0;
-                        completion->run_post_actions = 0;
-                        strncpy(completion->error_message, "error: failed to store event", sizeof(completion->error_message) - 1);
-                        completion->error_message[sizeof(completion->error_message) - 1] = '\0';
-                    } else {
+                    if (job->event_kind >= 20000 && job->event_kind < 30000) {
                        completion->success = 1;
                        completion->should_broadcast = 1;
-                        completion->run_post_actions = (core_rc == 0);
+                        completion->run_post_actions = 0;
+                    } else {
+                        int core_rc = store_event_core(event_obj);
+                        if (core_rc < 0) {
+                            completion->success = 0;
+                            completion->should_broadcast = 0;
+                            completion->run_post_actions = 0;
+                            strncpy(completion->error_message, "error: failed to store event", sizeof(completion->error_message) - 1);
+                            completion->error_message[sizeof(completion->error_message) - 1] = '\0';
+                        } else {
+                            completion->success = 1;
+                            completion->should_broadcast = 1;
+                            completion->run_post_actions = (core_rc == 0);
+                        }
                    }
+                    cJSON_Delete(event_obj);
                }
-                cJSON_Delete(event_obj);
            }
        }

@@ -611,10 +626,17 @@ static void stop_async_event_worker(void) {
    }
 }

-// Returns 0 when accepted for async handling, 1 when not eligible, -1 on submit failure.
+// Returns:
+//   0  => accepted for async handling
+//   1  => not eligible (safe to continue with special synchronous path)
+//  -1  => submit/allocation failure
+//  -2  => async worker unavailable (do not fall back to synchronous store on lws-main)
 static int try_submit_async_event(cJSON* event, const char* event_json, struct lws* wsi, struct per_session_data* pss) {
-    if (!event || !event_json || !wsi || !pss || !g_async_event_worker_running) {
-        return -1;
+    if (!event || !event_json || !wsi || !pss) {
+        return 1;
+    }
+    if (!g_async_event_worker_running) {
+        return -2;
    }

    int event_kind = 0;
@@ -692,7 +714,9 @@ static void process_async_event_completions(void) {
                             current_pss,
                             completion->event_id,
                             completion->success,
-                             completion->success ? "" : completion->error_message);
+                             completion->success
+                                ? (completion->ok_message[0] ? completion->ok_message : "")
+                                : completion->error_message);
        }

        free(completion->event_json);
@@ -700,6 +724,195 @@ static void process_async_event_completions(void) {
    }
 }

+static void free_count_payload_ws(void* payload_void) {
+    thread_pool_count_payload_t* payload = (thread_pool_count_payload_t*)payload_void;
+    if (!payload) return;
+    free(payload->sql);
+    if (payload->bind_params) {
+        for (int i = 0; i < payload->bind_param_count; i++) {
+            free(payload->bind_params[i]);
+        }
+        free(payload->bind_params);
+    }
+    free(payload);
+}
+
+static void count_async_completion_push(count_async_completion_t* completion) {
+    if (!completion) return;
+
+    pthread_mutex_lock(&g_count_async_completion_mutex);
+    completion->next = NULL;
+    if (!g_count_async_completion_tail) {
+        g_count_async_completion_head = completion;
+        g_count_async_completion_tail = completion;
+    } else {
+        g_count_async_completion_tail->next = completion;
+        g_count_async_completion_tail = completion;
+    }
+    pthread_mutex_unlock(&g_count_async_completion_mutex);
+}
+
+static count_async_completion_t* count_async_completion_pop(void) {
+    pthread_mutex_lock(&g_count_async_completion_mutex);
+    count_async_completion_t* completion = g_count_async_completion_head;
+    if (completion) {
+        g_count_async_completion_head = completion->next;
+        if (!g_count_async_completion_head) {
+            g_count_async_completion_tail = NULL;
+        }
+    }
+    pthread_mutex_unlock(&g_count_async_completion_mutex);
+    return completion;
+}
+
+static void count_async_result_cb(const thread_pool_result_t* result, void* user_ctx) {
+    count_async_state_t* state = (count_async_state_t*)user_ctx;
+    if (!result || !state) {
+        if (result && result->result_data) {
+            free(result->result_data);
+        }
+        return;
+    }
+
+    count_async_completion_t* completion = calloc(1, sizeof(*completion));
+    if (!completion) {
+        if (result->result_data) {
+            free(result->result_data);
+        }
+        return;
+    }
+
+    completion->state = state;
+    completion->status = result->status;
+    if (result->status == THREAD_POOL_STATUS_OK && result->result_data) {
+        thread_pool_count_result_t* count_result = (thread_pool_count_result_t*)result->result_data;
+        completion->count = count_result->count;
+    }
+
+    if (result->result_data) {
+        free(result->result_data);
+    }
+
+    count_async_completion_push(completion);
+    if (ws_context) {
+        lws_cancel_service(ws_context);
+    }
+}
+
+static int submit_count_query_async(count_async_state_t* state,
+                                    const char* sql,
+                                    const char** bind_params,
+                                    int bind_param_count) {
+    if (!state || !sql) {
+        return -1;
+    }
+
+    thread_pool_count_payload_t* payload = calloc(1, sizeof(*payload));
+    if (!payload) {
+        return -1;
+    }
+
+    payload->sql = strdup(sql);
+    payload->bind_param_count = bind_param_count;
+    if (!payload->sql) {
+        free_count_payload_ws(payload);
+        return -1;
+    }
+
+    if (bind_param_count > 0) {
+        payload->bind_params = calloc((size_t)bind_param_count, sizeof(char*));
+        if (!payload->bind_params) {
+            free_count_payload_ws(payload);
+            return -1;
+        }
+        for (int i = 0; i < bind_param_count; i++) {
+            const char* value = (bind_params && bind_params[i]) ? bind_params[i] : "";
+            payload->bind_params[i] = strdup(value);
+            if (!payload->bind_params[i]) {
+                free_count_payload_ws(payload);
+                return -1;
+            }
+        }
+    }
+
+    thread_pool_job_t job;
+    memset(&job, 0, sizeof(job));
+    job.type = THREAD_POOL_JOB_COUNT_QUERY;
+    job.payload = payload;
+    job.payload_free = free_count_payload_ws;
+    job.result_cb = count_async_result_cb;
+    job.result_cb_ctx = state;
+
+    thread_pool_status_t submit_rc = thread_pool_submit_read(&job, NULL);
+    if (submit_rc != THREAD_POOL_STATUS_OK) {
+        free_count_payload_ws(payload);
+        return -1;
+    }
+
+    state->pending_jobs++;
+    return 0;
+}
+
+static void send_count_response(struct lws* wsi, struct per_session_data* pss,
+                                const char* sub_id, int total_count) {
+    cJSON* count_response = cJSON_CreateArray();
+    if (!count_response) {
+        return;
+    }
+
+    cJSON_AddItemToArray(count_response, cJSON_CreateString("COUNT"));
+    cJSON_AddItemToArray(count_response, cJSON_CreateString(sub_id));
+
+    cJSON* count_obj = cJSON_CreateObject();
+    cJSON_AddNumberToObject(count_obj, "count", total_count);
+    cJSON_AddItemToArray(count_response, count_obj);
+
+    char* count_str = cJSON_Print(count_response);
+    if (count_str) {
+        size_t count_len = strlen(count_str);
+        if (queue_message(wsi, pss, count_str, count_len, LWS_WRITE_TEXT) != 0) {
+            DEBUG_ERROR("Failed to queue COUNT message");
+        }
+        free(count_str);
+    }
+
+    cJSON_Delete(count_response);
+}
+
+static void process_count_async_completions(void) {
+    count_async_completion_t* completion = NULL;
+    while ((completion = count_async_completion_pop()) != NULL) {
+        count_async_state_t* state = completion->state;
+        if (state) {
+            if (completion->status == THREAD_POOL_STATUS_OK) {
+                state->total_count += completion->count;
+            } else {
+                state->had_error = 1;
+                if (state->error_message[0] == '\0') {
+                    strncpy(state->error_message, "error: failed to execute count query", sizeof(state->error_message) - 1);
+                    state->error_message[sizeof(state->error_message) - 1] = '\0';
+                }
+            }
+
+            state->pending_jobs--;
+            if (state->pending_jobs <= 0) {
+                struct per_session_data* current_pss = (struct per_session_data*)lws_wsi_user(state->wsi);
+                int target_alive = (current_pss && current_pss == state->pss_token);
+                if (target_alive) {
+                    if (state->had_error) {
+                        send_notice_message(state->wsi, current_pss, state->error_message[0] ? state->error_message : "error: count query failed");
+                    } else {
+                        send_count_response(state->wsi, current_pss, state->sub_id, state->total_count);
+                    }
+                }
+                free(state);
+            }
+        }
+
+        free(completion);
+    }
+}
+
 // Message queue functions for proper libwebsockets pattern

 /**
@@ -1323,27 +1536,6 @@ static int nostr_relay_callback(struct lws *wsi, enum lws_callback_reasons reaso
                                            return 0;
                                        }

-                                        // Early duplicate check: skip expensive crypto for events already in DB.
-                                        // The event id is a 64-char hex string — look it up via primary key index (~10μs).
-                                        // This must happen AFTER we have the id string but BEFORE signature verification.
-                                        cJSON* id_obj_dup = cJSON_GetObjectItemCaseSensitive(event, "id");
-                                        if (id_obj_dup && cJSON_IsString(id_obj_dup)) {
-                                            const char* event_id_str = cJSON_GetStringValue(id_obj_dup);
-                                            if (event_id_str && event_id_exists_in_db(event_id_str)) {
-                                                // Already have this event — send OK true and skip crypto
-                                                DEBUG_TRACE("Duplicate event %s — skipping signature verification", event_id_str);
-                                                char ok_msg[128];
-                                                snprintf(ok_msg, sizeof(ok_msg),
-                                                    "[\"OK\",\"%s\",true,\"duplicate: already have this event\"]",
-                                                    event_id_str);
-                                                size_t ok_len = strlen(ok_msg);
-                                                queue_message(wsi, pss, ok_msg, ok_len, LWS_WRITE_TEXT);
-                                                free(event_json_str);
-                                                cJSON_Delete(json);
-                                                return 0;
-                                            }
-                                        }
-
                                        // Try async EVENT offload first (Phase 1).
                                        int async_submit_rc = try_submit_async_event(event, event_json_str, wsi, pss);
                                        if (async_submit_rc == 0) {
@@ -1351,8 +1543,20 @@ static int nostr_relay_callback(struct lws *wsi, enum lws_callback_reasons reaso
                                            cJSON_Delete(json);
                                            return 0;
                                        }
+                                        if (async_submit_rc < 0) {
+                                            cJSON* event_id = cJSON_GetObjectItemCaseSensitive(event, "id");
+                                            if (event_id && cJSON_IsString(event_id)) {
+                                                const char* async_err = (async_submit_rc == -2)
+                                                    ? "error: async event worker unavailable"
+                                                    : "error: async event queue unavailable";
+                                                send_ok_response(wsi, pss, cJSON_GetStringValue(event_id), 0, async_err);
+                                            }
+                                            free(event_json_str);
+                                            cJSON_Delete(json);
+                                            return 0;
+                                        }

-                                        // Call unified validator with JSON string (sync fallback path)
+                                        // Call unified validator with JSON string (sync path for special ineligible events)
                                        size_t event_json_len = strlen(event_json_str);
                                        int validation_result = nostr_validate_unified_request(event_json_str, event_json_len);

@@ -1884,10 +2088,15 @@ static int nostr_relay_callback(struct lws *wsi, enum lws_callback_reasons reaso
                                            return 0;
                                        }

-                                        handle_count_message(subscription_id, filters, wsi, pss);
+                                        int count_result = handle_count_message(subscription_id, filters, wsi, pss);

                                        // Clean up the filters array we created
                                        cJSON_Delete(filters);
+
+                                        if (count_result == HANDLE_REQ_ASYNC_PENDING) {
+                                            cJSON_Delete(json);
+                                            return 0;
+                                        }
                                    }
                                } else if (strcmp(msg_type, "CLOSE") == 0) {
                                    // Handle CLOSE message
@@ -2123,25 +2332,6 @@ static int nostr_relay_callback(struct lws *wsi, enum lws_callback_reasons reaso
                                        return 0;
                                    }
                                    
-                                    // Early duplicate check: skip expensive crypto for events already in DB.
-                                    cJSON* id_obj_dup2 = cJSON_GetObjectItemCaseSensitive(event, "id");
-                                    if (id_obj_dup2 && cJSON_IsString(id_obj_dup2)) {
-                                        const char* event_id_str2 = cJSON_GetStringValue(id_obj_dup2);
-                                        if (event_id_str2 && event_id_exists_in_db(event_id_str2)) {
-                                            DEBUG_TRACE("Duplicate event %s — skipping signature verification", event_id_str2);
-                                            char ok_msg2[128];
-                                            snprintf(ok_msg2, sizeof(ok_msg2),
-                                                "[\"OK\",\"%s\",true,\"duplicate: already have this event\"]",
-                                                event_id_str2);
-                                            size_t ok_len2 = strlen(ok_msg2);
-                                            queue_message(wsi, pss, ok_msg2, ok_len2, LWS_WRITE_TEXT);
-                                            free(event_json_str);
-                                            cJSON_Delete(json);
-                                            free(message);
-                                            return 0;
-                                        }
-                                    }
-
                                    // Try async EVENT offload first (Phase 1).
                                    int async_submit_rc = try_submit_async_event(event, event_json_str, wsi, pss);
                                    if (async_submit_rc == 0) {
@@ -2150,8 +2340,21 @@ static int nostr_relay_callback(struct lws *wsi, enum lws_callback_reasons reaso
                                        free(message);
                                        return 0;
                                    }
+                                    if (async_submit_rc < 0) {
+                                        cJSON* event_id = cJSON_GetObjectItemCaseSensitive(event, "id");
+                                        if (event_id && cJSON_IsString(event_id)) {
+                                            const char* async_err = (async_submit_rc == -2)
+                                                ? "error: async event worker unavailable"
+                                                : "error: async event queue unavailable";
+                                            send_ok_response(wsi, pss, cJSON_GetStringValue(event_id), 0, async_err);
+                                        }
+                                        free(event_json_str);
+                                        cJSON_Delete(json);
+                                        free(message);
+                                        return 0;
+                                    }

-                                    // Call unified validator with JSON string (sync fallback path)
+                                    // Call unified validator with JSON string (sync path for special ineligible events)
                                    size_t event_json_len = strlen(event_json_str);
                                    int validation_result = nostr_validate_unified_request(event_json_str, event_json_len);

@@ -2666,10 +2869,16 @@ static int nostr_relay_callback(struct lws *wsi, enum lws_callback_reasons reaso
                                        return 0;
                                    }

-                                    handle_count_message(subscription_id, filters, wsi, pss);
+                                    int count_result = handle_count_message(subscription_id, filters, wsi, pss);

                                    // Clean up the filters array we created
                                    cJSON_Delete(filters);
+
+                                    if (count_result == HANDLE_REQ_ASYNC_PENDING) {
+                                        cJSON_Delete(json);
+                                        free(message);
+                                        return 0;
+                                    }
                                }
                            } else if (strcmp(msg_type, "CLOSE") == 0) {
                                // Handle CLOSE message
@@ -3184,6 +3393,9 @@ int start_websocket_relay(int port_override, int strict_port) {
        // Drain completed async EVENT jobs and emit OK/broadcast on service thread.
        process_async_event_completions();

+        // Drain completed async COUNT jobs and emit COUNT/NOTICE on service thread.
+        process_count_async_completions();
+
        // Check if it's time to post status update
        time_t current_time = time(NULL);
        int status_post_hours = hot_cfg_kind_1_status_posts_hours();
@@ -3416,7 +3628,16 @@ int handle_count_message(const char* sub_id, cJSON* filters, struct lws *wsi, st
    int bind_param_count = 0;
    int bind_param_capacity = 0;

-    int total_count = 0;
+    count_async_state_t* async_state = calloc(1, sizeof(*async_state));
+    if (!async_state) {
+        DEBUG_ERROR("Failed to allocate COUNT async state");
+        return 0;
+    }
+
+    strncpy(async_state->sub_id, sub_id ? sub_id : "", sizeof(async_state->sub_id) - 1);
+    async_state->sub_id[sizeof(async_state->sub_id) - 1] = '\0';
+    async_state->wsi = wsi;
+    async_state->pss_token = pss;

    // Process each filter in the array
    for (int i = 0; i < cJSON_GetArraySize(filters); i++) {
@@ -3661,68 +3882,34 @@ int handle_count_message(const char* sub_id, cJSON* filters, struct lws *wsi, st
            remaining = sizeof(sql) - strlen(sql);
        }

-        // Execute count query
-        
-        // Start query timing
-        struct timespec query_start, query_end;
-        clock_gettime(CLOCK_MONOTONIC, &query_start);
-
-        // Execute count query via thread pool helper
-        int filter_count = 0;
-        if (thread_pool_execute_count_sync(sql, (const char**)bind_params, bind_param_count, &filter_count) != 0) {
-            DEBUG_ERROR("Failed to execute COUNT query via db_ops/thread_pool");
-            continue;
+        // Submit COUNT query asynchronously to DB reader pool.
+        if (submit_count_query_async(async_state, sql, (const char**)bind_params, bind_param_count) != 0) {
+            DEBUG_ERROR("Failed to submit COUNT query async");
+            strncpy(async_state->error_message, "error: failed to submit count query", sizeof(async_state->error_message) - 1);
+            async_state->error_message[sizeof(async_state->error_message) - 1] = '\0';
+            async_state->had_error = 1;
+            break;
        }
-        
-        // Stop query timing and log
-        clock_gettime(CLOCK_MONOTONIC, &query_end);
-        long elapsed_us = (query_end.tv_sec - query_start.tv_sec) * 1000000L +
-                          (query_end.tv_nsec - query_start.tv_nsec) / 1000L;
-        
-        log_query_execution("COUNT", sub_id, pss ? pss->client_ip : NULL,
-                           sql, elapsed_us, 1);  // COUNT always returns 1 row
-        
-        total_count += filter_count;
    }

-    // Total count calculated
-
-    // Send COUNT response - NIP-45 format: ["COUNT", <subscription_id>, {"count": <count>}]
-    cJSON* count_response = cJSON_CreateArray();
-    cJSON_AddItemToArray(count_response, cJSON_CreateString("COUNT"));
-    cJSON_AddItemToArray(count_response, cJSON_CreateString(sub_id));
-
-    // Create count object as per NIP-45 specification
-    cJSON* count_obj = cJSON_CreateObject();
-    cJSON_AddNumberToObject(count_obj, "count", total_count);
-    cJSON_AddItemToArray(count_response, count_obj);
-
-    char *count_str = cJSON_Print(count_response);
-    if (count_str) {
-        size_t count_len = strlen(count_str);
-
-        // DEBUG: Log WebSocket frame details before sending
-        DEBUG_TRACE("WS_FRAME_SEND: type=COUNT len=%zu data=%.100s%s",
-            count_len,
-            count_str,
-            count_len > 100 ? "..." : "");
-
-        // Queue message for proper libwebsockets pattern
-        if (queue_message(wsi, pss, count_str, count_len, LWS_WRITE_TEXT) != 0) {
-            DEBUG_ERROR("Failed to queue COUNT message");
-        }
-
-        free(count_str);
-    }
-    cJSON_Delete(count_response);
-
-    // Cleanup bind params
+    // Cleanup bind params from the final filter iteration.
    for (int i = 0; i < bind_param_count; i++) {
        free(bind_params[i]);
    }
    free(bind_params);

-    return total_count;
+    if (async_state->pending_jobs <= 0) {
+        if (async_state->had_error) {
+            send_notice_message(wsi, pss,
+                async_state->error_message[0] ? async_state->error_message : "error: count query failed");
+        } else {
+            send_count_response(wsi, pss, sub_id, 0);
+        }
+        free(async_state);
+        return 0;
+    }
+
+    return HANDLE_REQ_ASYNC_PENDING;
 }


@@ -0,0 +1,733 @@
+2026-04-01 11:29:24 - ==========================================
+2026-04-01 11:29:24 - C-Relay Comprehensive Test Suite Runner
+2026-04-01 11:29:24 - ==========================================
+2026-04-01 11:29:24 - Relay URL: ws://127.0.0.1:8888
+2026-04-01 11:29:24 - Log file: test_results_20260401_112924.log
+2026-04-01 11:29:24 - Report file: test_report_20260401_112924.html
+2026-04-01 11:29:24 - 
+2026-04-01 11:29:24 - Checking relay status at ws://127.0.0.1:8888...
+2026-04-01 11:29:25 - \033[0;32m✓ Relay HTTP endpoint is accessible\033[0m
+2026-04-01 11:29:25 - 
+2026-04-01 11:29:25 - Starting comprehensive test execution...
+2026-04-01 11:29:25 - 
+2026-04-01 11:29:25 - \033[0;34m=== SECURITY TEST SUITES ===\033[0m
+2026-04-01 11:29:25 - ==========================================
+2026-04-01 11:29:25 - Running Test Suite: SQL Injection Tests
+2026-04-01 11:29:25 - Description: Comprehensive SQL injection vulnerability testing
+2026-04-01 11:29:25 - ==========================================
+==========================================
+C-Relay SQL Injection Test Suite
+==========================================
+Testing against relay at ws://127.0.0.1:8888
+
+=== Basic Connectivity Test ===
+Testing Basic connectivity... [0;32mPASSED[0m - Valid query works
+
+=== Authors Filter SQL Injection Tests ===
+Testing Authors filter with payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: /*... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: */... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: /**/... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: #... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Authors filter with payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+
+=== IDs Filter SQL Injection Tests ===
+Testing IDs filter with payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: /*... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: */... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: /**/... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: #... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing IDs filter with payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+
+=== Kinds Filter SQL Injection Tests ===
+Testing Kinds filter with string injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Kinds filter with negative value... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Kinds filter with very large value... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+
+=== Search Filter SQL Injection Tests ===
+Testing Search filter with payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing Search filter with payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: /*... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: */... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: /**/... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: #... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing Search filter with payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing Search filter with payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing Search filter with payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Search filter with payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+
+=== Tag Filter SQL Injection Tests ===
+Testing #e tag filter with payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: /*... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: */... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: /**/... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: #... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #e tag filter with payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: /*... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: */... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: /**/... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: #... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #p tag filter with payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: /*... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: */... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: /**/... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: #... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #t tag filter with payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: /*... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: */... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: /**/... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: #... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #r tag filter with payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: /*... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: */... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: /**/... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: #... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing #d tag filter with payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+
+=== Timestamp Filter SQL Injection Tests ===
+Testing Since parameter injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Until parameter injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+
+=== Limit Parameter SQL Injection Tests ===
+Testing Limit parameter injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Limit with UNION... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+
+=== Complex Multi-Filter SQL Injection Tests ===
+Testing Multi-filter with authors injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Multi-filter with search injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Multi-filter with tag injection... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+
+=== COUNT Message SQL Injection Tests ===
+Testing COUNT with authors payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: '; DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: 1' OR '1'='1... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing COUNT with authors payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: 1; SELECT * FROM sqlite_master; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: ' OR 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: admin'--... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: 1' UNION SELECT password FROM users --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: 1' AND SLEEP(5) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: 1' AND 1=1 WAITFOR DELAY '0:0:5' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: 1' AND 1=CAST((SELECT version()) AS INT) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: 1' AND 1=CONVERT(INT, (SELECT @@VERSION)) --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: ' UNION SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: ' UNION SELECT 1,2,3 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: ' UNION ALL SELECT NULL,NULL,NULL --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: '; SELECT * FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: '; DELETE FROM events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: '; UPDATE events SET content='hacked' WHERE 1=1; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: /*... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: /*... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: */... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: */... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: /**/... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: /**/... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: #... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: #... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing COUNT with authors payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: 0x53514C5F494E4A454354494F4E... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing COUNT with authors payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: J1NSTCBJTkpFQ1RJT04gLS0=... [0;32mPASSED[0m - SQL injection blocked (query sanitized)
+Testing COUNT with authors payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: '))); DROP TABLE events; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: ')) UNION SELECT NULL; --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: ' AND 1=1 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: ' AND 1=2 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: ' AND (SELECT COUNT(*) FROM events) > 0 --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: '; EXEC master..xp_cmdshell 'net user' --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with authors payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing COUNT with search payload: '; DECLARE @host varchar(1024); SELECT @host=(SELECT TOP 1 master..sys.fn_varbintohexstr(password_hash) FROM sys.sql_logins WHERE name='sa'); --... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+
+=== Edge Case SQL Injection Tests ===
+Testing Empty string injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Null byte injection... [0;32mPASSED[0m - SQL injection blocked (silently rejected)
+Testing Unicode injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Very long injection payload... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+
+=== Subscription ID SQL Injection Tests ===
+Testing Subscription ID injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+Testing Subscription ID with quotes... [0;32mPASSED[0m - SQL injection blocked (silently rejected)
+
+=== CLOSE Message SQL Injection Tests ===
+Testing CLOSE with injection... [0;32mPASSED[0m - SQL injection blocked (rejected with error)
+
+=== Test Results ===
+Total tests: 318
+Passed: [0;32m318[0m
+Failed: [0;31m0[0m
+[0;32m✓ All SQL injection tests passed![0m
+The relay appears to be protected against SQL injection attacks.
+2026-04-01 11:29:32 - \033[0;32m✓ SQL Injection Tests PASSED\033[0m (Duration: 7s)
+2026-04-01 11:29:32 - ==========================================
+2026-04-01 11:29:32 - Running Test Suite: Filter Validation Tests
+2026-04-01 11:29:32 - Description: Input validation for REQ and COUNT messages
+2026-04-01 11:29:32 - ==========================================
+=== C-Relay Filter Validation Tests ===
+Testing against relay at ws://127.0.0.1:8888
+
+Testing Valid REQ message... [0;32mPASSED[0m
+Testing Valid COUNT message... [0;32mPASSED[0m
+
+=== Testing Filter Array Validation ===
+Testing Non-object filter... [0;32mPASSED[0m
+Testing Too many filters... [0;32mPASSED[0m
+
+=== Testing Authors Validation ===
+Testing Invalid author type... [0;32mPASSED[0m
+Testing Invalid author hex... [0;32mPASSED[0m
+Testing Too many authors... [0;32mPASSED[0m
+
+=== Testing IDs Validation ===
+Testing Invalid ID type... [0;32mPASSED[0m
+Testing Invalid ID hex... [0;32mPASSED[0m
+Testing Too many IDs... [0;32mPASSED[0m
+
+=== Testing Kinds Validation ===
+Testing Invalid kind type... [0;32mPASSED[0m
+Testing Negative kind... [0;32mPASSED[0m
+Testing Too large kind... [0;32mPASSED[0m
+Testing Too many kinds... [0;32mPASSED[0m
+
+=== Testing Timestamp Validation ===
+Testing Invalid since type... [0;32mPASSED[0m
+Testing Negative since... [0;32mPASSED[0m
+Testing Invalid until type... [0;32mPASSED[0m
+Testing Negative until... [0;32mPASSED[0m
+
+=== Testing Limit Validation ===
+Testing Invalid limit type... [0;32mPASSED[0m
+Testing Negative limit... [0;32mPASSED[0m
+Testing Too large limit... [0;32mPASSED[0m
+
+=== Testing Search Validation ===
+Testing Invalid search type... [0;32mPASSED[0m
+Testing Search too long... [0;32mPASSED[0m
+Testing Search SQL injection... [0;32mPASSED[0m
+
+=== Testing Tag Filter Validation ===
+Testing Invalid tag filter type... [0;32mPASSED[0m
+Testing Too many tag values... [0;32mPASSED[0m
+Testing Tag value too long... [0;32mPASSED[0m
+
+=== Testing Rate Limiting ===
+Testing rate limiting with malformed requests... [1;33mUNCERTAIN[0m - Rate limiting may not have triggered (this could be normal)
+
+=== Test Results ===
+Total tests: 28
+Passed: [0;32m28[0m
+Failed: [0;31m0[0m
+[0;32mAll tests passed![0m
+2026-04-01 11:29:35 - \033[0;32m✓ Filter Validation Tests PASSED\033[0m (Duration: 3s)
+2026-04-01 11:29:35 - ==========================================
+2026-04-01 11:29:35 - Running Test Suite: Subscription Validation Tests
+2026-04-01 11:29:35 - Description: Subscription ID and message validation
+2026-04-01 11:29:35 - ==========================================
+Testing subscription ID validation fixes...
+Testing malformed subscription IDs...
+Empty ID test: Connection failed (expected)
+Long ID test: Connection failed (expected)
+Invalid chars test: Connection failed (expected)
+NULL ID test: Connection failed (expected)
+Valid ID test: Failed
+Testing CLOSE message validation...
+CLOSE empty ID test: Connection failed (expected)
+CLOSE valid ID test: Failed
+Subscription validation tests completed.
+2026-04-01 11:29:35 - \033[0;32m✓ Subscription Validation Tests PASSED\033[0m (Duration: 0s)
+2026-04-01 11:29:35 - ==========================================
+2026-04-01 11:29:35 - Running Test Suite: Memory Corruption Tests
+2026-04-01 11:29:35 - Description: Buffer overflow and memory safety testing
+2026-04-01 11:29:35 - ==========================================
+==========================================
+C-Relay Memory Corruption Test Suite
+==========================================
+Testing against relay at ws://127.0.0.1:8888
+Note: These tests may cause the relay to crash if vulnerabilities exist
+
+=== Basic Connectivity Test ===
+Testing Basic connectivity... [0;32mPASSED[0m - No memory corruption detected
+
+=== Subscription ID Memory Corruption Tests ===
+Testing Empty subscription ID... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Very long subscription ID (1KB)... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Very long subscription ID (10KB)... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Subscription ID with null bytes... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Subscription ID with special chars... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Unicode subscription ID... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Subscription ID with path traversal... [1;33mUNCERTAIN[0m - Expected error but got normal response
+
+=== Filter Array Memory Corruption Tests ===
+Testing Too many filters (50)... [1;33mUNCERTAIN[0m - Expected error but got normal response
+
+=== Concurrent Access Memory Tests ===
+Testing Concurrent subscription creation... ["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+["EVENT","concurrent_1775057376377657551",{"pubkey":"7b013abdf0cbc8f994e66018539fbcb750f3be118a70d8bdcf3b3e86dd2ebb40","created_at":1775057288,"kind":1,"tags":[],"content":"\nRelay Statistics\n━━━━━━━━━━━━━━━━━━━━\nDatabase Size  0.00 MB (4096 bytes)\nTotal Events  0\nActive Subscriptions  0\nOldest Event  -\nNewest Event  -\n\nEvent_Kind_Distribution:\n\nTime-based Statistics:\n0\tEvents in the last day\n0\tEvents in the last week\n0\tEvents in the last month\n\n\n","id":"210f21884a3581064f4d181bc10e4088b5161216ddc7088f5c39e570240687b3","sig":"a04a697e6b3a53a1df4e3d7d06da2483f07d45c97a939076bd8b28216425a854af5f7e463542adbed9b71af68d36d7e0296be0048c3156a51ed0defa685a5171"}]
+[0;32mPASSED[0m - Concurrent access handled safely
+Testing Concurrent CLOSE operations... 
+
+
+
+
+
+
+
+
+
+[0;32mPASSED[0m - Concurrent access handled safely
+
+=== Malformed JSON Memory Tests ===
+Testing Unclosed JSON object... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Mismatched brackets... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Extra closing brackets... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Null bytes in JSON... [1;33mUNCERTAIN[0m - Expected error but got normal response
+
+=== Large Message Memory Tests ===
+Testing Very large filter array... [1;33mUNCERTAIN[0m - Expected error but got normal response
+Testing Very long search term... [1;33mUNCERTAIN[0m - Expected error but got normal response
+
+=== Test Results ===
+Total tests: 17
+Passed: [0;32m17[0m
+Failed: [0;31m0[0m
+[0;32m✓ All memory corruption tests passed![0m
+The relay appears to handle memory safely.
+2026-04-01 11:29:36 - \033[0;32m✓ Memory Corruption Tests PASSED\033[0m (Duration: 1s)
+2026-04-01 11:29:36 - ==========================================
+2026-04-01 11:29:36 - Running Test Suite: Input Validation Tests
+2026-04-01 11:29:36 - Description: Comprehensive input boundary testing
+2026-04-01 11:29:36 - ==========================================
+==========================================
+C-Relay Input Validation Test Suite
+==========================================
+Testing against relay at ws://127.0.0.1:8888
+
+=== Basic Connectivity Test ===
+Testing Basic connectivity... [0;32mPASSED[0m - Input accepted correctly
+
+=== Message Type Validation ===
+Testing Invalid message type - string... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Invalid message type - number... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Invalid message type - null... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Invalid message type - object... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Empty message type... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Very long message type... [0;32mPASSED[0m - Invalid input properly rejected
+
+=== Message Structure Validation ===
+Testing Too few arguments... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Too many arguments... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Non-array message... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Empty array... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Nested arrays incorrectly... [0;32mPASSED[0m - Invalid input properly rejected
+
+=== Subscription ID Boundary Tests ===
+Testing Valid subscription ID... [0;32mPASSED[0m - Input accepted correctly
+Testing Empty subscription ID... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Subscription ID with spaces... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Subscription ID with newlines... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Subscription ID with tabs... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Subscription ID with control chars... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Unicode subscription ID... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Very long subscription ID... [0;32mPASSED[0m - Invalid input properly rejected
+
+=== Filter Object Validation ===
+Testing Valid empty filter... [0;32mPASSED[0m - Input accepted correctly
+Testing Non-object filter... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Null filter... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Array filter... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Filter with invalid keys... [0;32mPASSED[0m - Input accepted correctly
+
+=== Authors Field Validation ===
+Testing Valid authors array... [0;32mPASSED[0m - Input accepted correctly
+Testing Empty authors array... [0;32mPASSED[0m - Input accepted correctly
+Testing Non-array authors... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Invalid hex in authors... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Short pubkey in authors... [0;32mPASSED[0m - Invalid input properly rejected
+
+=== IDs Field Validation ===
+Testing Valid ids array... [0;32mPASSED[0m - Input accepted correctly
+Testing Empty ids array... [0;32mPASSED[0m - Input accepted correctly
+Testing Non-array ids... [0;32mPASSED[0m - Invalid input properly rejected
+
+=== Kinds Field Validation ===
+Testing Valid kinds array... [0;32mPASSED[0m - Input accepted correctly
+Testing Empty kinds array... [0;32mPASSED[0m - Input accepted correctly
+Testing Non-array kinds... [0;32mPASSED[0m - Invalid input properly rejected
+Testing String in kinds... [0;32mPASSED[0m - Invalid input properly rejected
+
+=== Timestamp Field Validation ===
+Testing Valid since timestamp... [0;32mPASSED[0m - Input accepted correctly
+Testing Valid until timestamp... [0;32mPASSED[0m - Input accepted correctly
+Testing String since timestamp... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Negative timestamp... [0;32mPASSED[0m - Invalid input properly rejected
+
+=== Limit Field Validation ===
+Testing Valid limit... [0;32mPASSED[0m - Input accepted correctly
+Testing Zero limit... [0;32mPASSED[0m - Input accepted correctly
+Testing String limit... [0;32mPASSED[0m - Invalid input properly rejected
+Testing Negative limit... [0;32mPASSED[0m - Invalid input properly rejected
+
+=== Multiple Filters ===
+Testing Two valid filters... [0;32mPASSED[0m - Input accepted correctly
+Testing Many filters... [0;32mPASSED[0m - Input accepted correctly
+
+=== Test Results ===
+Total tests: 47
+Passed: 47
+Failed: 0
+[0;32m✓ All input validation tests passed![0m
+The relay properly validates input.
+2026-04-01 11:29:38 - \033[0;32m✓ Input Validation Tests PASSED\033[0m (Duration: 2s)
+2026-04-01 11:29:38 - 
+2026-04-01 11:29:38 - \033[0;34m=== PERFORMANCE TEST SUITES ===\033[0m
+2026-04-01 11:29:38 - ==========================================
+2026-04-01 11:29:38 - Running Test Suite: Subscription Limit Tests
+2026-04-01 11:29:38 - Description: Subscription limit enforcement testing
+2026-04-01 11:29:38 - ==========================================
+=== Subscription Limit Test ===
+[INFO] Testing relay at: ws://127.0.0.1:8888
+[INFO] Note: This test assumes default subscription limits (max 25 per client)
+
+=== Test 1: Basic Connectivity ===
+[INFO] Testing basic WebSocket connection...
+[PASS] Basic connectivity works
+
+=== Test 2: Subscription Limit Enforcement ===
+[INFO] Testing subscription limits by creating multiple subscriptions...
+[INFO] Creating multiple subscriptions within a single connection...
+[INFO] Hit subscription limit at subscription 2
+[PASS] Subscription limit enforcement working (limit hit after 1 subscriptions)
+
+=== Test Complete ===
+2026-04-01 11:29:38 - \033[0;32m✓ Subscription Limit Tests PASSED\033[0m (Duration: 0s)
+2026-04-01 11:29:38 - ==========================================
+2026-04-01 11:29:38 - Running Test Suite: Load Testing
+2026-04-01 11:29:38 - Description: High concurrent connection testing
+2026-04-01 11:29:38 - ==========================================
+==========================================
+C-Relay Load Testing Suite
+==========================================
+Testing against relay at ws://127.0.0.1:8888
+
+=== Basic Connectivity Test ===
+[0;32m✓ Relay is accessible[0m
+
+==========================================
+Load Test: Light Load Test
+Description: Basic load test with moderate concurrent connections
+Concurrent clients: 10
+Messages per client: 5
+==========================================
+Launching 10 clients...
+All clients completed. Processing results...
+
+=== Load Test Results ===
+Test duration: 1s
+Total connections attempted: 10
+Successful connections: 10
+Failed connections: 0
+Connection success rate: 100%
+Messages expected: 50
+Messages sent: 50
+Messages received: 100
+[0;32m✓ EXCELLENT: High connection success rate[0m
+
+Checking relay responsiveness... [0;32m✓ Relay is still responsive[0m
+
+==========================================
+Load Test: Medium Load Test
+Description: Moderate load test with higher concurrency
+Concurrent clients: 25
+Messages per client: 10
+==========================================
+Launching 25 clients...
+All clients completed. Processing results...
+
+=== Load Test Results ===
+Test duration: 4s
+Total connections attempted: 35
+Successful connections: 25
+Failed connections: 0
+Connection success rate: 71%
+Messages expected: 250
+Messages sent: 250
+Messages received: 500
+[0;31m✗ POOR: Low connection success rate[0m
+
+Checking relay responsiveness... [0;32m✓ Relay is still responsive[0m
+
+==========================================
+Load Test: Heavy Load Test
+Description: Heavy load test with high concurrency
+Concurrent clients: 50
+Messages per client: 20
+==========================================
+Launching 50 clients...
+All clients completed. Processing results...
+
+=== Load Test Results ===
+Test duration: 14s
+Total connections attempted: 85
+Successful connections: 50
+Failed connections: 0
+Connection success rate: 58%
+Messages expected: 1000
+Messages sent: 1000
+Messages received: 2000
+[0;31m✗ POOR: Low connection success rate[0m
+
+Checking relay responsiveness... [0;32m✓ Relay is still responsive[0m
+
+==========================================
+Load Test: Stress Test
+Description: Maximum load test to find breaking point
+Concurrent clients: 100
+Messages per client: 50
+==========================================
+Launching 100 clients...
+All clients completed. Processing results...
+
+=== Load Test Results ===
+Test duration: 64s
+Total connections attempted: 185
+Successful connections: 100
+Failed connections: 0
+Connection success rate: 54%
+Messages expected: 5000
+Messages sent: 5000
+Messages received: 7500
+[0;31m✗ POOR: Low connection success rate[0m
+
+Checking relay responsiveness... [0;32m✓ Relay is still responsive[0m
+
+==========================================
+Load Testing Complete
+==========================================
+All load tests completed. Check individual test results above.
+If any tests failed, the relay may need optimization or have resource limits.
+2026-04-01 11:31:03 - \033[0;32m✓ Load Testing PASSED\033[0m (Duration: 85s)
+2026-04-01 11:31:03 - ==========================================
+2026-04-01 11:31:03 - Running Test Suite: Stress Testing
+2026-04-01 11:31:03 - Description: Resource usage and stability testing
+2026-04-01 11:31:03 - ==========================================
+2026-04-01 11:31:03 - \033[0;31mERROR: Test script stress_tests.sh not found\033[0m
@@ -0,0 +1,183 @@
+#!/bin/bash
+
+# Thread-level CPU profiler for c-relay on remote server
+# - Samples per-thread CPU every N seconds using /proc/<pid>/task/*/stat deltas
+# - Optionally runs perf record in parallel for callgraph data
+# - Pulls artifacts locally and generates a summary report
+
+set -euo pipefail
+
+REMOTE_HOST="${REMOTE_HOST:-ubuntu@laantungir.com}"
+DURATION="${DURATION:-600}"          # seconds (default 10 minutes)
+INTERVAL="${INTERVAL:-10}"           # seconds between samples
+OUTDIR_BASE="${OUTDIR_BASE:-thread_profile_runs}"
+RUN_TS="$(date -u +%Y%m%d_%H%M%S)"
+RUN_DIR="${OUTDIR_BASE}/${RUN_TS}"
+LOCAL_CSV="${RUN_DIR}/thread_samples.csv"
+LOCAL_REPORT="${RUN_DIR}/thread_summary.txt"
+REMOTE_DIR="/tmp/c_relay_thread_profile_${RUN_TS}"
+ENABLE_PERF="${ENABLE_PERF:-1}"      # 1=run perf, 0=skip
+
+mkdir -p "${RUN_DIR}"
+
+echo "=========================================="
+echo "C-Relay Thread CPU Profiler"
+echo "=========================================="
+echo "Remote host : ${REMOTE_HOST}"
+echo "Duration    : ${DURATION}s"
+echo "Interval    : ${INTERVAL}s"
+echo "Run dir     : ${RUN_DIR}"
+echo "Perf record : ${ENABLE_PERF}"
+echo ""
+
+ssh "${REMOTE_HOST}" "bash -s" <<EOF
+set -euo pipefail
+
+REMOTE_DIR="${REMOTE_DIR}"
+DURATION="${DURATION}"
+INTERVAL="${INTERVAL}"
+ENABLE_PERF="${ENABLE_PERF}"
+
+mkdir -p "\${REMOTE_DIR}"
+CSV_FILE="\${REMOTE_DIR}/thread_samples.csv"
+PERF_FILE="\${REMOTE_DIR}/perf.data"
+LOG_FILE="\${REMOTE_DIR}/run.log"
+
+PID=\$(pgrep -f '/usr/local/bin/c_relay/c_relay|c_relay' | head -1 || true)
+if [ -z "\${PID}" ]; then
+  echo "ERROR: c_relay process not found (checked by cmdline pattern)" | tee -a "\${LOG_FILE}"
+  exit 1
+fi
+
+echo "Profiling PID: \${PID}" | tee -a "\${LOG_FILE}"
+CLK_TCK=\$(getconf CLK_TCK)
+echo "CLK_TCK=\${CLK_TCK}" | tee -a "\${LOG_FILE}"
+
+echo "timestamp,tid,thread_name,cpu_pct,delta_ticks,total_ticks" > "\${CSV_FILE}"
+
+# Start perf in background (if enabled and available)
+PERF_PID=""
+if [ "\${ENABLE_PERF}" = "1" ]; then
+  if command -v perf >/dev/null 2>&1; then
+    if sudo -n true >/dev/null 2>&1; then
+      echo "Starting perf record in background..." | tee -a "\${LOG_FILE}"
+      sudo perf record -g -p "\${PID}" -o "\${PERF_FILE}" -- sleep "\${DURATION}" >/dev/null 2>&1 &
+      PERF_PID=\$!
+      PERF_OWNER="\$(id -un)"
+      echo "perf_pid=\${PERF_PID}" | tee -a "\${LOG_FILE}"
+    else
+      echo "Skipping perf: sudo -n not available" | tee -a "\${LOG_FILE}"
+    fi
+  else
+    echo "Skipping perf: command not found" | tee -a "\${LOG_FILE}"
+  fi
+fi
+
+# Capture previous totals by tid
+declare -A PREV_TOTAL
+capture_totals() {
+  local pid="\$1"
+  for statf in /proc/\${pid}/task/*/stat; do
+    [ -f "\${statf}" ] || continue
+    local tid
+    tid=\${statf%/stat}
+    tid=\${tid##*/}
+    local total
+    total=\$(awk '{print \$14+\$15}' "\${statf}" 2>/dev/null || echo 0)
+    PREV_TOTAL[\${tid}]="\${total}"
+  done
+}
+
+capture_totals "\${PID}"
+
+START_TS=\$(date +%s)
+END_TS=\$((START_TS + DURATION))
+
+while [ \$(date +%s) -lt \${END_TS} ]; do
+  NOW=\$(date +%s)
+
+  for statf in /proc/\${PID}/task/*/stat; do
+    [ -f "\${statf}" ] || continue
+
+    tid=\${statf%/stat}
+    tid=\${tid##*/}
+    total=\$(awk '{print \$14+\$15}' "\${statf}" 2>/dev/null || echo 0)
+    prev=\${PREV_TOTAL[\${tid}]:-\${total}}
+    delta=\$((total - prev))
+
+    if [ \${delta} -lt 0 ]; then
+      delta=0
+    fi
+
+    PREV_TOTAL[\${tid}]="\${total}"
+
+    name_file="/proc/\${PID}/task/\${tid}/comm"
+    if [ -f "\${name_file}" ]; then
+      tname=\$(tr -d '\n' < "\${name_file}")
+    else
+      tname="unknown"
+    fi
+
+    cpu_pct=\$(awk -v d="\${delta}" -v hz="\${CLK_TCK}" -v iv="\${INTERVAL}" 'BEGIN { printf "%.2f", (d / hz) * 100.0 / iv }')
+    echo "\${NOW},\${tid},\${tname},\${cpu_pct},\${delta},\${total}" >> "\${CSV_FILE}"
+  done
+
+  sleep "\${INTERVAL}"
+done
+
+if [ -n "\${PERF_PID}" ]; then
+  wait "\${PERF_PID}" || true
+  if [ -f "\${PERF_FILE}" ]; then
+    sudo perf report --stdio -i "\${PERF_FILE}" --sort=comm,symbol --no-children -n > "\${REMOTE_DIR}/perf_report.txt" 2>/dev/null || true
+    sudo chown "\${PERF_OWNER}:\${PERF_OWNER}" "\${PERF_FILE}" "\${REMOTE_DIR}/perf_report.txt" 2>/dev/null || true
+  fi
+fi
+
+echo "Done. Artifacts in \${REMOTE_DIR}" | tee -a "\${LOG_FILE}"
+EOF
+
+echo "Fetching artifacts..."
+scp -q "${REMOTE_HOST}:${REMOTE_DIR}/thread_samples.csv" "${LOCAL_CSV}"
+scp -q "${REMOTE_HOST}:${REMOTE_DIR}/run.log" "${RUN_DIR}/run.log" || true
+scp -q "${REMOTE_HOST}:${REMOTE_DIR}/perf.data" "${RUN_DIR}/perf.data" || true
+scp -q "${REMOTE_HOST}:${REMOTE_DIR}/perf_report.txt" "${RUN_DIR}/perf_report.txt" || true
+
+echo "Generating summary..."
+{
+  echo "=========================================="
+  echo "Thread CPU Summary (avg + max over run)"
+  echo "=========================================="
+  echo "Run timestamp (UTC): ${RUN_TS}"
+  echo "Duration: ${DURATION}s, Interval: ${INTERVAL}s"
+  echo ""
+  awk -F, '
+    NR==1 {next}
+    {
+      key=$2"|"$3;
+      cpu=$4+0;
+      sum[key]+=cpu;
+      cnt[key]++;
+      if (cpu > max[key]) max[key]=cpu;
+    }
+    END {
+      printf("%-10s %-18s %12s %12s\n", "TID", "THREAD", "AVG_CPU%", "MAX_CPU%");
+      for (k in sum) {
+        split(k, a, "|");
+        avg=sum[k]/cnt[k];
+        printf("%-10s %-18s %12.2f %12.2f\n", a[1], a[2], avg, max[k]);
+      }
+    }
+  ' "${LOCAL_CSV}" | sort -k3,3nr
+} | tee "${LOCAL_REPORT}"
+
+echo ""
+echo "Completed. Files:"
+echo "  ${LOCAL_CSV}"
+echo "  ${LOCAL_REPORT}"
+if [ -f "${RUN_DIR}/perf_report.txt" ]; then
+  echo "  ${RUN_DIR}/perf_report.txt"
+fi
+
+echo ""
+echo "Top 20 summary:"
+head -n 22 "${LOCAL_REPORT}"
@@ -0,0 +1,5 @@
+Profiling PID: 2040140
+CLK_TCK=100
+Starting perf record in background...
+perf_pid=2040808
+Done. Artifacts in /tmp/c_relay_thread_profile_20260401_154500
@@ -0,0 +1,421 @@
+timestamp,tid,thread_name,cpu_pct,delta_ticks,total_ticks
+1775058301,2040140",unknown,0.00,0,3950
+1775058301,2040150",unknown,0.00,0,9
+1775058301,2040151",unknown,0.00,0,8
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+1775058301,2040153",unknown,0.00,0,11
+1775058301,2040154",unknown,0.00,0,0
+1775058301,2040155",unknown,0.00,0,0
+1775058311,2040140",unknown,62.10,621,4571
+1775058311,2040150",unknown,0.20,2,11
+1775058311,2040151",unknown,0.10,1,9
+1775058311,2040152",unknown,0.10,1,12
+1775058311,2040153",unknown,0.00,0,11
+1775058311,2040154",unknown,0.00,0,0
+1775058311,2040155",unknown,0.00,0,0
+1775058321,2040140",unknown,65.20,652,5223
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+1775058321,2040151",unknown,0.20,2,11
+1775058321,2040152",unknown,0.30,3,15
+1775058321,2040153",unknown,0.20,2,13
+1775058321,2040154",unknown,0.00,0,0
+1775058321,2040155",unknown,0.00,0,0
+1775058331,2040140",unknown,83.80,838,6061
+1775058331,2040150",unknown,0.00,0,13
+1775058331,2040151",unknown,0.00,0,11
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+1775058331,2040154",unknown,0.00,0,0
+1775058331,2040155",unknown,0.00,0,0
+1775058341,2040140",unknown,100.20,1002,7063
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+1775058341,2040152",unknown,0.00,0,15
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+1775058351,2040140",unknown,100.30,1003,8066
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+1775058361,2040140",unknown,89.50,895,8961
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+1775058371,2040140",unknown,21.20,212,9173
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+1775058371,2040155",unknown,0.00,0,0
+1775058381,2040140",unknown,36.40,364,9537
+1775058381,2040150",unknown,0.10,1,15
+1775058381,2040151",unknown,0.10,1,12
+1775058381,2040152",unknown,0.10,1,17
+1775058381,2040153",unknown,0.00,0,13
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+1775058391,2040140",unknown,35.30,353,9890
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+1775058401,2040140",unknown,42.80,428,10318
+1775058401,2040150",unknown,0.30,3,18
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+1775058411,2040140",unknown,73.50,735,11053
+1775058411,2040150",unknown,0.40,4,22
+1775058411,2040151",unknown,0.20,2,16
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+1775058421,2040140",unknown,33.60,336,11389
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+1775058431,2040140",unknown,57.20,572,11961
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+1775058481,2040140",unknown,83.20,832,16376
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+1775058491,2040140",unknown,100.30,1003,17379
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+1775058893,2040155",unknown,0.00,0,5
@@ -0,0 +1,14 @@
+==========================================
+Thread CPU Summary (avg + max over run)
+==========================================
+Run timestamp (UTC): 20260401_154500
+Duration: 600s, Interval: 10s
+
+2040140"   unknown                   55.45       100.30
+2040152"   unknown                    0.08         0.40
+2040150"   unknown                    0.07         0.40
+2040151"   unknown                    0.06         0.30
+2040153"   unknown                    0.06         0.30
+2040155"   unknown                    0.01         0.20
+2040154"   unknown                    0.00         0.10
+TID        THREAD                 AVG_CPU%     MAX_CPU%
@@ -0,0 +1,5 @@
+Profiling PID: 2040140
+CLK_TCK=100
+Starting perf record in background...
+perf_pid=2046339
+Done. Artifacts in /tmp/c_relay_thread_profile_20260401_155603
@@ -0,0 +1,372 @@
+timestamp,tid,thread_name,cpu_pct,delta_ticks,total_ticks
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@@ -0,0 +1,14 @@
+==========================================
+Thread CPU Summary (avg + max over run)
+==========================================
+Run timestamp (UTC): 20260401_155603
+Duration: 600s, Interval: 10s
+
+2040140    lws-main                  68.71       100.30
+2040152    db-read-3                  0.12         0.90
+2040150    db-read-1                  0.11         0.40
+2040151    db-read-2                  0.11         0.50
+2040153    db-read-4                  0.10         0.50
+2040154    db-write                   0.01         0.10
+2040155    event-worker               0.00         0.10
+TID        THREAD                 AVG_CPU%     MAX_CPU%
@@ -0,0 +1,5 @@
+Profiling PID: 2083904
+CLK_TCK=100
+Starting perf record in background...
+perf_pid=2086924
+Done. Artifacts in /tmp/c_relay_thread_profile_20260401_181751
@@ -0,0 +1,211 @@
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@@ -0,0 +1,14 @@
+==========================================
+Thread CPU Summary (avg + max over run)
+==========================================
+Run timestamp (UTC): 20260401_181751
+Duration: 300s, Interval: 10s
+
+2083904    lws-main                  73.51       100.40
+2083906    db-read-1                  0.08         0.60
+2083907    db-read-2                  0.08         0.40
+2083908    db-read-3                  0.08         0.40
+2083909    db-read-4                  0.08         0.60
+2083910    db-write                   0.00         0.10
+2083911    event-worker               0.00         0.10
+TID        THREAD                 AVG_CPU%     MAX_CPU%
@@ -0,0 +1,5 @@
+Profiling PID: 2083904
+CLK_TCK=100
+Starting perf record in background...
+perf_pid=2094527
+Done. Artifacts in /tmp/c_relay_thread_profile_20260401_183846
@@ -0,0 +1,211 @@
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@@ -0,0 +1,14 @@
+==========================================
+Thread CPU Summary (avg + max over run)
+==========================================
+Run timestamp (UTC): 20260401_183846
+Duration: 300s, Interval: 10s
+
+2083904    lws-main                  54.32       100.30
+2083907    db-read-2                  0.08         0.40
+2083909    db-read-4                  0.08         0.40
+2083906    db-read-1                  0.07         0.40
+2083908    db-read-3                  0.07         0.40
+2083911    event-worker               0.01         0.20
+2083910    db-write                   0.00         0.00
+TID        THREAD                 AVG_CPU%     MAX_CPU%
@@ -0,0 +1,5 @@
+Profiling PID: 2115498
+CLK_TCK=100
+Starting perf record in background...
+perf_pid=2116380
+Done. Artifacts in /tmp/c_relay_thread_profile_20260401_193216
@@ -0,0 +1,211 @@
+timestamp,tid,thread_name,cpu_pct,delta_ticks,total_ticks
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+1775072228,2115506,event-worker,0.00,0,0
@@ -0,0 +1,14 @@
+==========================================
+Thread CPU Summary (avg + max over run)
+==========================================
+Run timestamp (UTC): 20260401_193216
+Duration: 300s, Interval: 10s
+
+2115498    lws-main                  53.87       100.20
+2115502    db-read-2                  0.10         0.50
+2115501    db-read-1                  0.08         0.40
+2115504    db-read-4                  0.08         0.30
+2115503    db-read-3                  0.07         0.40
+2115505    db-write                   0.00         0.10
+2115506    event-worker               0.00         0.00
+TID        THREAD                 AVG_CPU%     MAX_CPU%
Author	SHA1	Message	Date
Laan Tungir	ce9ae5a488	v2.1.5 - Offload duplicate and COUNT paths, add config/NIP-11 caching, and reduce DB reader threads	2026-04-01 16:15:46 -04:00
Laan Tungir	9b248b740f	v2.1.4 - Harden async EVENT fallback handling and verify relay/nginx 503 behavior	2026-04-01 15:19:28 -04:00