[jira] [Commented] (SOLR-10983) Fix DOWNNODE -> queue-work explosion

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-10983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16117560#comment-16117560 ] 

ASF subversion and git services commented on SOLR-10983:
--------------------------------------------------------

Commit d704796a785aa0d8e455661e519bb2f0c67b7311 in lucene-solr's branch refs/heads/branch_6x from Erick
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=d704796 ]

SOLR-10983: Fix DOWNNODE -> queue-work explosion, backporting to 6x as per the comments in the JIRA


> Fix DOWNNODE -> queue-work explosion
> ------------------------------------
>
>                 Key: SOLR-10983
>                 URL: https://issues.apache.org/jira/browse/SOLR-10983
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>            Reporter: Scott Blum
>            Assignee: Scott Blum
>             Fix For: 7.0, master (8.0), 7.1
>
>         Attachments: SOLR-10983.patch
>
>
> Every DOWNNODE command enqueues N copies of itself into queue-work, where N is number of collections affected by the DOWNNODE.
> This rarely matters in practice, because queue-work gets immediately dumped-- however, if anything throws an exception (such as ZK bad version), we don't clear queue-work.  Then the next time through the loop we run the expensive DOWNNODE command potentially hundreds of times.



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