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Posted to issues@yunikorn.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/09/19 06:57:00 UTC
[jira] [Updated] (YUNIKORN-854) node removal with inflight
placeholder replacement failure
[ https://issues.apache.org/jira/browse/YUNIKORN-854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated YUNIKORN-854:
------------------------------------
Labels: pull-request-available (was: )
> node removal with inflight placeholder replacement failure
> ----------------------------------------------------------
>
> Key: YUNIKORN-854
> URL: https://issues.apache.org/jira/browse/YUNIKORN-854
> Project: Apache YuniKorn
> Issue Type: Bug
> Components: core - scheduler
> Affects Versions: 0.10
> Reporter: Wilfred Spiegelenburg
> Assignee: Wilfred Spiegelenburg
> Priority: Critical
> Labels: pull-request-available
>
> If a node gets removed while a replacement of a placeholder pod is inflight we lose track:
> * placeholder and real allocation on the same node causes the real pod to never be allocated as the ask repeat has been decremented but the allocation is removed being processed
> * placeholder and real allocation on different nodes causes the real allocation to be linked to a node but never bound on K8s if the placeholder node is removed.
> * placeholder and real allocation on different nodes causes a zombie allocation on the application if the real allocation node is removed.
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