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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-18246) Proc-V2 AM: Maintain Data locality in ServerCrashProcedure
Date Wed, 16 Aug 2017 16:58:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

stack updated HBASE-18246:
    Issue Type: Bug  (was: Sub-task)
        Parent:     (was: HBASE-14350)

> Proc-V2 AM: Maintain Data locality in ServerCrashProcedure
> ----------------------------------------------------------
>                 Key: HBASE-18246
>                 URL: https://issues.apache.org/jira/browse/HBASE-18246
>             Project: HBase
>          Issue Type: Bug
>          Components: Region Assignment
>    Affects Versions: 2.0.0
>            Reporter: Stephen Yuan Jiang
>            Assignee: Stephen Yuan Jiang
>            Priority: Critical
>             Fix For: 2.0.0
> Before HBASE-18036, SSH would use round-robin to re-distribute regions during processing.
 Round-robin assignment would loss data locality.  HBASE-18036 retains data locality if the
dead region server has already restarted when the dead RS is processing.  
> With Proc-V2 based AM, the change of HBASE-18036 in Apache HBASE 1.x releases is no longer
possible.  We need to implement the same logic under Proc-V2 based AM.

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