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From "huaxiang sun (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-20101) HBase should provide a way to re-validate locality
Date Fri, 02 Mar 2018 17:27:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-20101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

huaxiang sun reassigned HBASE-20101:

    Assignee: huaxiang sun

> HBase should provide a way to re-validate locality
> --------------------------------------------------
>                 Key: HBASE-20101
>                 URL: https://issues.apache.org/jira/browse/HBASE-20101
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Jean-Marc Spaggiari
>            Assignee: huaxiang sun
>            Priority: Major
> HDFS blocks can move for many reasons. HDFS balancing, lost of a disk, of a node, etc.
However, today, locality seems to be calculated when the files are opened for the first time.
Even disabling and re-enabling the regions doesn't trigger a re-calculation of the locality. 
> We should provide a way to let the user ask for this number to be re-calculated.

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