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https://issues.apache.org/jira/browse/SOLR-11670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16310110#comment-16310110
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Andrzej Bialecki commented on SOLR-11670:
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Another candidate data for periodic cleanups are async status ids - as of now,
REQUESTSTATUS does not automatically clean up the tracking data structures,
meaning the status of completed or failed tasks stays stored in ZooKeeper
unless cleared manually.
> Implement a periodic house-keeping task
> ---------------------------------------
>
> Key: SOLR-11670
> URL: https://issues.apache.org/jira/browse/SOLR-11670
> Project: Solr
> Issue Type: Sub-task
> Security Level: Public(Default Security Level. Issues are Public)
> Components: AutoScaling
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
>
> Some high-impact cluster changes (such as split shard) leave the original
> data and original state that is no longer actively used. This makes sense due
> to safety reasons and to make it easier to roll-back the changes.
> However, this unused data will accumulate over time, especially when actions
> like split shard are invoked automatically by the autoscaling framework. We
> need a periodic task that would clean up this kind of data after a certain
> period.
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