[jira] [Commented] (SOLR-11670) Implement a periodic house-keeping task

["Andrzej Bialecki (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-11670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16310110#comment-16310110 ] 

Andrzej Bialecki  commented on SOLR-11670:
------------------------------------------

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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