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Posted to dev@lucene.apache.org by "Noble Paul (JIRA)" <ji...@apache.org> on 2014/04/02 18:39:15 UTC

[jira] [Resolved] (SOLR-5859) Harden the Overseer restart mechanism

     [ https://issues.apache.org/jira/browse/SOLR-5859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Noble Paul resolved SOLR-5859.
------------------------------

       Resolution: Fixed
    Fix Version/s: 5.0
                   4.8

> Harden the Overseer restart mechanism
> -------------------------------------
>
>                 Key: SOLR-5859
>                 URL: https://issues.apache.org/jira/browse/SOLR-5859
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Noble Paul
>            Assignee: Noble Paul
>             Fix For: 4.8, 5.0
>
>         Attachments: SOLR-5859.patch, SOLR-5859.patch, SOLR-5859.patch, SOLR-5859.patch
>
>
> SOLR-5476 depends on Overseer restart.The current strategy is to remove the zk node for leader election and wait for STATUS_UPDATE_DELAY +100 ms and  start the new overseer.
> Though overseer ops are short running,  it is not a 100% foolproof strategy because if an operation takes longer than the wait period there can be race condition. 



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