From 529eb8f9491ae3c293707cd9a16be56065dd308f Mon Sep 17 00:00:00 2001
From: Ajay <dev@ajay.app>
Date: Tue, 10 Mar 2026 15:01:32 -0400
Subject: [PATCH] Switch to simple lru cache

---
 package-lock.json  | 26 ++++++++++++--------------
 package.json       |  2 +-
 src/utils/redis.ts | 15 ++++++---------
 3 files changed, 19 insertions(+), 24 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 6a13dd9..bdb33bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.1.0",
       "license": "AGPL-3.0-only",
       "dependencies": {
+        "@ajayyy/simple-lru-cache": "^1.1.2",
         "axios": "^1.13.6",
         "better-sqlite3": "^11.2.1",
         "cron": "^2.1.0",
@@ -17,7 +18,6 @@
         "express-rate-limit": "^6.7.0",
         "form-data": "^4.0.4",
         "lodash": "^4.17.23",
-        "lru-cache": "^10.2.0",
         "lz4-napi": "^2.2.0",
         "pg": "^8.8.0",
         "rate-limit-redis": "^3.0.1",
@@ -51,6 +51,12 @@
         "node": ">=18"
       }
     },
+    "node_modules/@ajayyy/simple-lru-cache": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@ajayyy/simple-lru-cache/-/simple-lru-cache-1.1.2.tgz",
+      "integrity": "sha512-X1SRyVSK9xTyFQoZPf66IxtraRQbLkFWl93TRBtKft3V7NU8/KGuPWlIddilvxYwkrjSHKU6WYNN0mCgHBYYhg==",
+      "license": "MIT"
+    },
     "node_modules/@ampproject/remapping": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.2.0.tgz",
@@ -3859,14 +3865,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/lru-cache": {
-      "version": "10.2.0",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.2.0.tgz",
-      "integrity": "sha512-2bIM8x+VAf6JT4bKAljS1qUWgMsqZRPGJS6FSahIMPVvctcNhyVp7AJu7quxOW9jwkryBReKZY5tY5JYv2n/7Q==",
-      "engines": {
-        "node": "14 || >=16.14"
-      }
-    },
     "node_modules/luxon": {
       "version": "1.28.1",
       "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.28.1.tgz",
@@ -6137,6 +6135,11 @@
     }
   },
   "dependencies": {
+    "@ajayyy/simple-lru-cache": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@ajayyy/simple-lru-cache/-/simple-lru-cache-1.1.2.tgz",
+      "integrity": "sha512-X1SRyVSK9xTyFQoZPf66IxtraRQbLkFWl93TRBtKft3V7NU8/KGuPWlIddilvxYwkrjSHKU6WYNN0mCgHBYYhg=="
+    },
     "@ampproject/remapping": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.2.0.tgz",
@@ -8878,11 +8881,6 @@
         "is-unicode-supported": "^0.1.0"
       }
     },
-    "lru-cache": {
-      "version": "10.2.0",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.2.0.tgz",
-      "integrity": "sha512-2bIM8x+VAf6JT4bKAljS1qUWgMsqZRPGJS6FSahIMPVvctcNhyVp7AJu7quxOW9jwkryBReKZY5tY5JYv2n/7Q=="
-    },
     "luxon": {
       "version": "1.28.1",
       "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.28.1.tgz",
diff --git a/package.json b/package.json
index 1d4b32e..04c84df 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "express-rate-limit": "^6.7.0",
     "form-data": "^4.0.4",
     "lodash": "^4.17.23",
-    "lru-cache": "^10.2.0",
+    "@ajayyy/simple-lru-cache": "^1.1.2",
     "lz4-napi": "^2.2.0",
     "pg": "^8.8.0",
     "rate-limit-redis": "^3.0.1",
diff --git a/src/utils/redis.ts b/src/utils/redis.ts
index 112361c..e1a528e 100644
--- a/src/utils/redis.ts
+++ b/src/utils/redis.ts
@@ -7,7 +7,7 @@ import { RedisReply } from "rate-limit-redis";
 import { db } from "../databases/databases";
 import { Postgres } from "../databases/Postgres";
 import { compress, uncompress } from "lz4-napi";
-import { LRUCache } from "lru-cache";
+import { LRUCache } from "@ajayyy/simple-lru-cache/dist/index";
 import { shouldClientCacheKey } from "./redisKeys";
 import { ZMember } from "@redis/client/dist/lib/commands/generic-transformers";
 
@@ -79,15 +79,12 @@ const activeRequestPromises: Record<string, Promise<string>> = {};
 const resetKeys: Set<RedisCommandArgument> = new Set();
 const cache = config.redis.clientCacheSize ? new LRUCache<RedisCommandArgument, string>({
     maxSize: config.redis.clientCacheSize,
-    sizeCalculation: (value) => value.length,
-    ttl: 1000 * 60 * 30,
-    ttlResolution: 1000 * 60 * 15
+    ttl: 1000 * 60 * 30
 }) : null;
 // Used to cache ttl data
 const ttlCache = config.redis.clientCacheSize ? new LRUCache<RedisCommandArgument, number>({
-    max: config.redis.clientCacheSize / 10 / 4, // 4 byte integer per element
-    ttl: 1000 * 60 * 30,
-    ttlResolution: 1000 * 60 * 15
+    maxElements: config.redis.clientCacheSize / 10 / 4, // 4 byte integer per element
+    ttl: 1000 * 60 * 30
 }) : null;
 
 // For redis
@@ -406,8 +403,8 @@ export function getRedisStats(): RedisStats {
         avgWriteTime: writeResponseTime.length > 0 ? writeResponseTime.reduce((a, b) => a + b, 0) / writeResponseTime.length : 0,
         memoryCacheHits: memoryCacheHits / (memoryCacheHits + memoryCacheMisses),
         memoryCacheTotalHits: memoryCacheHits / (memoryCacheHits + memoryCacheMisses + memoryCacheUncachedMisses),
-        memoryCacheLength: cache?.size ?? 0,
-        memoryCacheSize: cache?.calculatedSize ?? 0,
+        memoryCacheLength: cache?.currentElementCount ?? 0,
+        memoryCacheSize: cache?.currentSize ?? 0,
         lastInvalidation,
         lastInvalidationMessage
     };