Feedback: Redis cluster specification

[mirzaAshir]

Page https://redis.io/docs/latest/operate/oss_and_stack/reference/cluster-spec

const client = createCluster({
rootNodes: [{
url: rediss://:${REDIS_CONFIG.PASSWORD}@${REDIS_CONFIG.HOST}:${REDIS_CONFIG.PORT}
}],

defaults: {
  password: REDIS_CONFIG.PASSWORD,
  socket: {
    tls: true,
    servername: REDIS_CONFIG.HOST,
    keepAlive: true,
    keepAliveInitialDelay: REDIS_CONFIG.REDIS_KEEP_ALIVE_MS,
    connectTimeout: REDIS_CONFIG.REDIS_CONNECT_TIMEOUT_MS,
    reconnectStrategy: (retries, cause) => { // NOSONAR: node-redis contract requires number or Error
      const delay = calculateExponentialBackoff(retries, REDIS_CONFIG.REDIS_DELAY_MS, REDIS_CONFIG.Redis_Jitter_Percent);
      if (retries > REDIS_CONFIG.REDIS_MAX_RETRIES) {
        logHelper.info('warn - Redis: max retries exceeded');

        if (!rotationScheduled) {
          rotationScheduled = true;

          setTimeout(() => {
            rotateRedisClient('max-retries-exceeded').catch((error) => {
              logHelper.error(`Redis rotation failed: ${error.message}`);
            });
          }, delay);
        }

        return new Error('Max retries reached'); // NOSONAR: node-redis reconnectStrategy expects Error to stop retries
      }
      logHelper.info(`Redis reconnect attempt ${retries} in ${delay}ms`);
      return delay;
    }
  }
},

minimizeConnections: REDIS_CONFIG.Redis_Minimize_Connections ?? false, // IMPORTANT for Azure
maxCommandRedirections: 16

});

when traffic increase on my node js app facing below issue even though server load not even max to 55%
error
4/23/2026, 10:16:45.493 AM
Error
ContactId_No Contact Id BusId_No Bus Id Unhandled Rejection at: [object Promise], reason: Error: read ECONNRESET
ln1sdlwk0003R1
Microsoft.Web/sites/log
AppServiceConsoleLogs
/subscriptions/9b0986da-3079-4bbb-bba2-4d01d800fb3d/resourcegroups/connectlingua-japan-prod/providers/microsoft.web/sites/connectlingua-jp-app-v1-prod
218c595f-1335-45c5-86f0-1f2510002b64
Azure
4/23/2026, 10:16:45.492 AM
Error
}
ln1sdlwk0003R1
Microsoft.Web/sites/log
AppServiceConsoleLogs
/subscriptions/9b0986da-3079-4bbb-bba2-4d01d800fb3d/resourcegroups/connectlingua-japan-prod/providers/microsoft.web/sites/connectlingua-jp-app-v1-prod
218c595f-1335-45c5-86f0-1f2510002b64
Azure
4/23/2026, 10:16:45.492 AM
Error
syscall: 'read'
ln1sdlwk0003R1
Microsoft.Web/sites/log
AppServiceConsoleLogs
/subscriptions/9b0986da-3079-4bbb-bba2-4d01d800fb3d/resourcegroups/connectlingua-japan-prod/providers/microsoft.web/sites/connectlingua-jp-app-v1-prod
218c595f-1335-45c5-86f0-1f2510002b64
Azure
4/23/2026, 10:16:45.492 AM
Error
code: 'ECONNRESET',
ln1sdlwk0003R1
Microsoft.Web/sites/log
AppServiceConsoleLogs
/subscriptions/9b0986da-3079-4bbb-bba2-4d01d800fb3d/resourcegroups/connectlingua-japan-prod/providers/microsoft.web/sites/connectlingua-jp-app-v1-prod
218c595f-1335-45c5-86f0-1f2510002b64
Azure
4/23/2026, 10:16:45.492 AM
Error
errno: -104,
ln1sdlwk0003R1
Microsoft.Web/sites/log
AppServiceConsoleLogs
/subscriptions/9b0986da-3079-4bbb-bba2-4d01d800fb3d/resourcegroups/connectlingua-japan-prod/providers/microsoft.web/sites/connectlingua-jp-app-v1-prod
218c595f-1335-45c5-86f0-1f2510002b64
Azure
4/23/2026, 10:16:45.492 AM
Error
Error: read ECONNRESET