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Posted to dev@yunikorn.apache.org by "Manikandan R (Jira)" <ji...@apache.org> on 2022/04/25 11:54:00 UTC

[jira] [Created] (YUNIKORN-1183) daemon set scheduling

Manikandan R created YUNIKORN-1183:
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             Summary: daemon set scheduling
                 Key: YUNIKORN-1183
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-1183
             Project: Apache YuniKorn
          Issue Type: Task
            Reporter: Manikandan R
            Assignee: Manikandan R


Daemon sets normally are used to run specific pods on each node. Most daemon sets are added to a node when the node starts up.

In some deployments, daemon sets are also used to add pods for the logging and metering. If those pods are killed and recreated _after_ the node has become available for scheduling pod placement can fail. The removal of the pods does not mark the node as unhealthy or un-schedulable.

Without pre-emption the pod might never return. This can affect above said logging use cases and cause logs to be missing.



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