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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/03/08 11:47:00 UTC
[jira] [Commented] (SPARK-35956) Support auto-assigning labels to less important pods (e.g. decommissioning pods)
[ https://issues.apache.org/jira/browse/SPARK-35956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17502882#comment-17502882 ]
Apache Spark commented on SPARK-35956:
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User 'dongjoon-hyun' has created a pull request for this issue:
https://github.com/apache/spark/pull/35767
> Support auto-assigning labels to less important pods (e.g. decommissioning pods)
> --------------------------------------------------------------------------------
>
> Key: SPARK-35956
> URL: https://issues.apache.org/jira/browse/SPARK-35956
> Project: Spark
> Issue Type: Improvement
> Components: Kubernetes
> Affects Versions: 3.2.0
> Reporter: Holden Karau
> Assignee: Holden Karau
> Priority: Major
> Fix For: 3.3.0
>
>
> To allow for folks to use pod disruption budgets or replicasets we should indicate which pods Spark cares about "the least", those would be pods that are otherwise exiting soon.
>
> With PDBs the user would create a PDB representing the label of decommissioning executors and this could have a higher number of unavailable than the PDB for the "regular" execs. For people using replicasets in 1.21 we could also set a label of "controller.kubernetes.io/pod-deletion-cost" (see [https://github.com/kubernetes/kubernetes/pull/99163] ) to hint to the controller that a pod is less important to us.
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