From 78fbc42a0c321a709b2b6e6aa54966a49a023093 Mon Sep 17 00:00:00 2001
From: sent <sentttt@proton.me>
Date: Thu, 5 Jun 2025 21:25:37 -0700
Subject: [PATCH] Add others/scaler.mjs

---
 others/scaler.mjs | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 others/scaler.mjs

diff --git a/others/scaler.mjs b/others/scaler.mjs
new file mode 100644
index 00000000..7b31e40f
--- /dev/null
+++ b/others/scaler.mjs
@@ -0,0 +1,36 @@
+What about this import { LRUCache } from 'lru-cache';
+
+let maxKeys = 10_000;
+let cache   = makeCache(maxKeys);
+
+function makeCache(maxEntries) {
+  return new LRUCache({
+    maxSize: maxEntries,
+    ttl:     4 * 24 * 60 * 60 * 1_000,
+    allowStale:     false,
+    updateAgeOnGet: false,
+    updateAgeOnHas: false,
+  });
+}
+
+function scaleCache() {
+  const { heapUsed, heapTotal } = process.memoryUsage();
+  const freeHeapRatio = (heapTotal - heapUsed) / heapTotal;
+
+  const newMax = freeHeapRatio > 0.5
+    ? 20_000
+    : freeHeapRatio < 0.2
+      ? 5_000
+      : 10_000;
+
+  if (newMax !== maxKeys) {
+    maxKeys = newMax;
+    cache = makeCache(maxKeys);
+    console.log(`[SCALER] freeHeap ${( (heapTotal - heapUsed)/1e6 ).toFixed(1)}MB → maxKeys: ${maxKeys}`);
+  }
+}
+
+setInterval(scaleCache, 60_000);
+scaleCache();
+
+export { cache };
\ No newline at end of file