[jira] [Resolved] (SOLR-13386) Remove race in OverseerTaskQueue#remove that can result in the Overseer causing a Zookeeper call spin spike.

["Mark Miller (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-13386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Miller resolved SOLR-13386.
--------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 7.7.2)
                   master (9.0)

> Remove race in OverseerTaskQueue#remove that can result in the Overseer causing a Zookeeper call spin spike.
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-13386
>                 URL: https://issues.apache.org/jira/browse/SOLR-13386
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>            Priority: Major
>             Fix For: 8.1, master (9.0)
>
>         Attachments: SOLR-13386.patch
>
>
> If the data call hits NoNodeException, it will throw and the Overseer work queue processor will catch it and loop and repeat, which causes major zk getData / NoNode call traffic or other such things.



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