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From "Noble Paul (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-5859) Harden the Overseer restart mechanism
Date Wed, 02 Apr 2014 15:25:15 GMT

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

Noble Paul updated SOLR-5859:
-----------------------------

    Attachment: SOLR-5859.patch

moved the final check in Overseer loop to a new thread to avoid interrupted exceptions

> 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
>         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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