Stop spamming redis if it slows down

src/config.ts

@@ -136,7 +136,8 @@ addDefaults(config, {
         },
         disableOfflineQueue: true,
         expiryTime: 24 * 60 * 60,
-        getTimeout: 40
+        getTimeout: 40,
+        maxConnections: 15000
     },
     redisRead: {
         enabled: false,

src/types/config.model.ts

@@ -5,6 +5,7 @@ interface RedisConfig extends redis.RedisClientOptions {
     enabled: boolean;
     expiryTime: number;
     getTimeout: number;
+    maxConnections: number;
 }
 
 interface RedisReadOnlyConfig extends redis.RedisClientOptions {

src/utils/redis.ts

@@ -41,7 +41,13 @@ if (config.redis?.enabled) {
     const get = client.get.bind(client);
     const getRead = readClient?.get?.bind(readClient);
     exportClient.get = (key) => new Promise((resolve, reject) => {
+        if (activeRequests > config.redis.maxConnections) {
+            reject("Too many active requests");
+            return;
+        }
+
         activeRequests++;
+
         const timeout = config.redis.getTimeout ? setTimeout(() => reject(), config.redis.getTimeout) : null;
         const chosenGet = pickChoice(get, getRead);
         chosenGet(key).then((reply) => {