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From "Tim Robertson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-6111) CLONE - Map tasks not local to RS
Date Sun, 27 May 2012 08:02:22 GMT
Tim Robertson created HBASE-6111:

             Summary: CLONE - Map tasks not local to RS
                 Key: HBASE-6111
                 URL: https://issues.apache.org/jira/browse/HBASE-6111
             Project: HBase
          Issue Type: Bug
          Components: mapred, master, regionserver
    Affects Versions: 0.20.0, 0.19.3
         Environment: DN, TT and RS running on the same nodes.
            Reporter: Tim Robertson
             Fix For: 0.20.0

The number of data local map tasks while scanning a table is only about 10% of the total map
My table had 280 regions and 13M records... The number of map tasks in the scan job were equal
to the number of regions (280). Only 25 of them were data local tasks.

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