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Posted to issues@yunikorn.apache.org by "Wilfred Spiegelenburg (Jira)" <ji...@apache.org> on 2021/09/18 07:30:00 UTC

[jira] [Created] (YUNIKORN-854) node removal with inflight placeholder replacement failure

Wilfred Spiegelenburg created YUNIKORN-854:
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             Summary: 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


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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