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Posted to dev@yunikorn.apache.org by "Chaoran Yu (Jira)" <ji...@apache.org> on 2021/08/08 21:27:00 UTC

[jira] [Created] (YUNIKORN-788) Make the scheduler max QPS match the default Kubernetes API server max requests inflight

Chaoran Yu created YUNIKORN-788:
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             Summary: Make the scheduler max QPS match the default Kubernetes API server max requests inflight
                 Key: YUNIKORN-788
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-788
             Project: Apache YuniKorn
          Issue Type: Improvement
          Components: shim - kubernetes
            Reporter: Chaoran Yu
            Assignee: Chaoran Yu


The current max QPS is configured as 1000, which is much higher than the [400|https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/] max requests inflight that the API server supports. This mismatch could cause requests to be dropped/rejected by the API server when the load is high (e.g. when a surge occurs in the number of pods that need to be scheduled). We should make the YK default match the API server default.



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