From 8027f3429377ae8079d763ac3adab7812924c1a3 Mon Sep 17 00:00:00 2001
From: Scott Twiname <skott.twiname@gmail.com>
Date: Mon, 2 Dec 2024 15:34:52 +1300
Subject: [PATCH] Fix interval with 0 time causing high CPU (#2614)

* Fix interval with 0 time causing high CPU

* Update changelog

* Update fallback check
---
 packages/query/CHANGELOG.md                  | 2 ++
 packages/query/src/graphql/graphql.module.ts | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/query/CHANGELOG.md b/packages/query/CHANGELOG.md
index b167eda124..558eb1ad94 100644
--- a/packages/query/CHANGELOG.md
+++ b/packages/query/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- High CPU usage caused by interval with 0ms (#2614)
 
 ## [2.17.1] - 2024-11-28
 ### Fixed
diff --git a/packages/query/src/graphql/graphql.module.ts b/packages/query/src/graphql/graphql.module.ts
index 53023f8629..6b47e021de 100644
--- a/packages/query/src/graphql/graphql.module.ts
+++ b/packages/query/src/graphql/graphql.module.ts
@@ -118,6 +118,8 @@ export class GraphqlModule implements OnModuleInit, OnModuleDestroy {
   }
 
   private setupKeepAlive(pgClient: PoolClient) {
+    const interval = argv['sl-keep-alive-interval'] || 180000;
+    logger.info(`Setup PG Pool keep alive. interval ${interval} ms`);
     setInterval(() => {
       void (async () => {
         try {
@@ -126,7 +128,7 @@ export class GraphqlModule implements OnModuleInit, OnModuleDestroy {
           getLogger('db').error('Schema listener client keep-alive query failed: ', err);
         }
       })();
-    }, this.config.get('sl-keep-alive-interval'));
+    }, interval);
   }
 
   private async createServer() {