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https://issues.apache.org/jira/browse/HDDS-13618?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen O'Donnell updated HDDS-13618:
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Fix Version/s: 2.1.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Avoid frequent pipeline close action from DN
> --------------------------------------------
>
> Key: HDDS-13618
> URL: https://issues.apache.org/jira/browse/HDDS-13618
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Sumit Agrawal
> Assignee: Sarveksha Yeshavantha Raju
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.1.0
>
>
> When DN ratis identify issues over pipeline, it trigger close pipeline
> action, below are few cases:
> # When follower is slow
> # When leader is not elected and remain in candidate for longer duration
> # Any other issue in pipeline like disk out of space trigger failure
> This keeps triggering close pipeline action, even though close actions are
> queued in DN command queue. And if there is any issue for DN pipeline
> closure, it can result in huge such action every HB.
>
> Already there is an optimization that within one HB, it will avoid duplicate
> pipeline close action.
>
> So this repeatative trigger can be avoided by checking the command queue.
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