Perf

others/scaler.mjs

@@ -0,0 +1,15 @@
+import NodeCache from 'node-cache';
+
+const cache = new NodeCache({ stdTTL: 345600, checkperiod: 3600, useClones: false });
+
+function scaleCache() {
+  const mem = process.memoryUsage();
+  const freeHeap = mem.heapTotal - mem.heapUsed;
+  const ratio = freeHeap / mem.heapTotal;
+
+  const max = ratio > 0.5 ? 20000 : ratio < 0.2 ? 5000 : 10000;
+  cache.options.maxKeys = max;
+  console.log(`[SCALER] freeHeap ${(freeHeap/1e6).toFixed(1)}MB  maxKeys → ${max}`);
+}
+
+setInterval(scaleCache, 60_000);