Improve application responsiveness and background processing

2026-10-04 19:56:06 -04:00
parent 1392a082da
commit ed004ddbcf
70 changed files with 1324 additions and 345 deletions
@@ -0,0 +1,13 @@
+import { monitorEventLoopDelay } from 'node:perf_hooks';
+
+let started = false;
+export function startPerformanceMonitor() {
+    if (started || process.env.EC_PERF_LOG !== 'true') return;
+    started = true;
+    const delay = monitorEventLoopDelay({ resolution: 20 }); delay.enable();
+    setInterval(() => {
+        console.info('[performance]', { eventLoopP95Ms: Math.round(delay.percentile(95) / 1e6),
+            eventLoopMaxMs: Math.round(delay.max / 1e6), rssMiB: Math.round(process.memoryUsage().rss / 1048576) });
+        delay.reset();
+    }, 60_000).unref();
+}