diff --git a/config/default-0.json b/config/default-0.json
new file mode 100644
index 0000000..9e26dfe
--- /dev/null
+++ b/config/default-0.json
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/src/services/app.service.ts b/src/services/app.service.ts
index 909713d..9af2afe 100644
--- a/src/services/app.service.ts
+++ b/src/services/app.service.ts
@@ -36,8 +36,10 @@ export class AppService implements OnModuleInit {
         }
     }
 
-    @Cron(CronExpression.EVERY_SECOND)
+    @Cron(CronExpression.EVERY_5_MINUTES)
     private async killDeadClients() {
-        await this.clientService.killDeadClients();
+        if (process.env.NODE_APP_INSTANCE == null || process.env.NODE_APP_INSTANCE == '0') {
+            await this.clientService.killDeadClients();
+        }
     }
 }
\ No newline at end of file