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Posted to issues@hbase.apache.org by "Jimmy Xiang (JIRA)" <ji...@apache.org> on 2012/08/02 02:48:08 UTC

[jira] [Assigned] (HBASE-6483) Fully enable ServerShutdownHandler after master joins the cluster

     [ https://issues.apache.org/jira/browse/HBASE-6483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jimmy Xiang reassigned HBASE-6483:
----------------------------------

    Assignee: Jimmy Xiang
    
> Fully enable ServerShutdownHandler after master joins the cluster
> -----------------------------------------------------------------
>
>                 Key: HBASE-6483
>                 URL: https://issues.apache.org/jira/browse/HBASE-6483
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>
> Once ROOT and META are assigned, ServerShutdownHandler is enabled. So that we can handle meta/root region server failure before joinCluster is completed. However, we can hold ServerShutdownHandler a little bit more for the user region assignments, i.e. doesn't assign user regions before joinCluster is returned. If so, we can avoid some region assignments racing: same regions are trying to be assigned in both joinCluster and ServerShutdownHandler.

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