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Posted to issues@yunikorn.apache.org by "Tae-kyeom, Kim (Jira)" <ji...@apache.org> on 2024/09/02 05:20:00 UTC

[jira] [Created] (YUNIKORN-2850) Watch configmap only in yunikorn's deployed namespace

Tae-kyeom, Kim created YUNIKORN-2850:
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             Summary: Watch configmap only in yunikorn's deployed namespace
                 Key: YUNIKORN-2850
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-2850
             Project: Apache YuniKorn
          Issue Type: Improvement
          Components: shim - kubernetes
            Reporter: Tae-kyeom, Kim


Currently, Yunikorn uses configmap informer to handle configuration hot reload.

However, In current implementation informer watches all namespaces even only need to watch namespace in which yunikorn is deployed. It causes in efficient behavior when sync and cache configmap states. If there is too many unrelated configmap in other namespace cause long recovery time to list and memory presure to handle configmap caches.

So, If we could replace configmap informer to namespace restricted one, it would improve startup / recovery time and reduce memory usage



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