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From "Thiruvel Thirumoolan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-16114) Get regionLocation of only required regions for MR jobs
Date Mon, 27 Jun 2016 18:29:52 GMT

     [ https://issues.apache.org/jira/browse/HBASE-16114?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thiruvel Thirumoolan updated HBASE-16114:
-----------------------------------------
    Attachment: HBASE-16114.master.002.patch

Reattaching patch with a different number, so it can kick off the precommit build.

> Get regionLocation of only required regions for MR jobs
> -------------------------------------------------------
>
>                 Key: HBASE-16114
>                 URL: https://issues.apache.org/jira/browse/HBASE-16114
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce
>    Affects Versions: 1.2.1
>            Reporter: Thiruvel Thirumoolan
>            Priority: Minor
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-16114.master.001.patch, HBASE-16114.master.001.patch, HBASE-16114.master.002.patch
>
>
> We should only get the location of regions required during the MR job. This will help
for jobs with large regions but the job itself scans only a small portion of it. Similar changes
can be seen in MultiInputFormatBase.java.



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