From 003c377edda2d549c6af18e441e6323e98c4f4bc Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 6 Mar 2026 17:36:36 +0000
Subject: [PATCH 1/3] Initial plan


From dbe38183eb2c72ffd44391ac2a59428ed1e89b59 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 6 Mar 2026 17:40:02 +0000
Subject: [PATCH 2/3] Decrease memoization TTL by 50% and set cache cleanup
 interval to 30s

Co-authored-by: neSpecc <3684889+neSpecc@users.noreply.github.com>
---
 workers/grouper/src/index.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/workers/grouper/src/index.ts b/workers/grouper/src/index.ts
index 998142fe..bb905597 100644
--- a/workers/grouper/src/index.ts
+++ b/workers/grouper/src/index.ts
@@ -36,12 +36,12 @@ import { memoize } from '../../../lib/memoize';
  * eslint does not count decorators as a variable usage
  */
 /* eslint-disable-next-line no-unused-vars */
-const MEMOIZATION_TTL = 600_000;
+const MEMOIZATION_TTL = 300_000;
 
 /**
- * Cache cleanup interval in minutes
+ * Cache cleanup interval in seconds
  */
-const CACHE_CLEANUP_INTERVAL_MINUTES = 5;
+const CACHE_CLEANUP_INTERVAL_SECONDS = 30;
 
 /**
  * Error code of MongoDB key duplication error
@@ -103,11 +103,11 @@ export default class GrouperWorker extends Worker {
 
     /**
      * Start periodic cache cleanup to prevent memory leaks from unbounded cache growth
-     * Runs every 5 minutes to clear old cache entries
+     * Runs every 30 seconds to clear old cache entries
      */
     this.cacheCleanupInterval = setInterval(() => {
       this.clearCache();
-    }, CACHE_CLEANUP_INTERVAL_MINUTES * TimeMs.MINUTE);
+    }, CACHE_CLEANUP_INTERVAL_SECONDS * TimeMs.SECOND);
 
     await super.start();
   }

From 590749e5e7b787a74f15476212c27b0ff918c290 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 6 Mar 2026 17:43:56 +0000
Subject: [PATCH 3/3] Decrease MEMOIZATION_TTL to 1 minute (60_000 ms)

Co-authored-by: neSpecc <3684889+neSpecc@users.noreply.github.com>
---
 workers/grouper/src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/workers/grouper/src/index.ts b/workers/grouper/src/index.ts
index bb905597..f016c850 100644
--- a/workers/grouper/src/index.ts
+++ b/workers/grouper/src/index.ts
@@ -36,7 +36,7 @@ import { memoize } from '../../../lib/memoize';
  * eslint does not count decorators as a variable usage
  */
 /* eslint-disable-next-line no-unused-vars */
-const MEMOIZATION_TTL = 300_000;
+const MEMOIZATION_TTL = 60_000;
 
 /**
  * Cache cleanup interval in seconds