diff --git a/src/backend/src/modules/core/ServerHealthService/ServerHealthService.js b/src/backend/src/modules/core/ServerHealthService/ServerHealthService.js index 07589c1f6..cedf5de90 100644 --- a/src/backend/src/modules/core/ServerHealthService/ServerHealthService.js +++ b/src/backend/src/modules/core/ServerHealthService/ServerHealthService.js @@ -25,8 +25,6 @@ const SECOND = 1000; const CHECK_INTERVAL_MS = 5 * SECOND; const CHECK_TIMEOUT_MS = 4 * SECOND; const HEALTH_LOOP_STALE_MULTIPLIER = 3; -const EVENT_LOOP_MONITOR_INTERVAL_MS = SECOND; -const DEFAULT_EVENT_LOOP_LAG_FAIL_MS = 1000; const DEFAULT_DB_LIVENESS_LATENCY_FAIL_MS = 1500; /** @@ -55,7 +53,6 @@ class ServerHealthService extends BaseService { this.health_started_at_ = Date.now(); this.last_check_cycle_started_at_ = 0; this.last_check_cycle_completed_at_ = 0; - this.event_loop_lag_ms_ = 0; this.web_checks_registered_ = false; } @@ -63,7 +60,6 @@ class ServerHealthService extends BaseService { this.stats_ = {}; this.#initDefaultChecks(); - this.#initEventLoopMonitor(); this.#initServiceCheck(); } @@ -72,20 +68,6 @@ class ServerHealthService extends BaseService { } #initDefaultChecks () { - const eventLoopLagFailMs = Number( - this.global_config?.server_health?.event_loop_lag_fail_ms, - ) || DEFAULT_EVENT_LOOP_LAG_FAIL_MS; - - this.add_check('event-loop-lag', async () => { - this.stats_.event_loop_lag_ms = this.event_loop_lag_ms_; - if ( this.event_loop_lag_ms_ > eventLoopLagFailMs ) { - throw new Error( - `event loop lag too high: ${this.event_loop_lag_ms_}ms ` + - `(threshold ${eventLoopLagFailMs}ms)`, - ); - } - }); - const dbService = this.#getServiceIfAvailable('database'); if ( dbService && typeof dbService.read === 'function' ) { const dbLivenessLatencyFailMs = Number( @@ -113,17 +95,6 @@ class ServerHealthService extends BaseService { } } - #initEventLoopMonitor () { - let expectedTickAt = Date.now() + EVENT_LOOP_MONITOR_INTERVAL_MS; - - promise.asyncSafeSetInterval(() => { - const now = Date.now(); - this.event_loop_lag_ms_ = Math.max(0, now - expectedTickAt); - this.stats_.event_loop_lag_ms = this.event_loop_lag_ms_; - expectedTickAt = now + EVENT_LOOP_MONITOR_INTERVAL_MS; - }, EVENT_LOOP_MONITOR_INTERVAL_MS); - } - #registerWebChecks () { if ( this.web_checks_registered_ ) return;