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Posted to mapreduce-dev@hadoop.apache.org by "Brandon Scheller (JIRA)" <ji...@apache.org> on 2018/07/05 21:02:00 UTC

[jira] [Created] (MAPREDUCE-7120) Make hadoop consider wildcard host as datalocal

Brandon Scheller created MAPREDUCE-7120:
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             Summary: Make hadoop consider wildcard host as datalocal
                 Key: MAPREDUCE-7120
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7120
             Project: Hadoop Map/Reduce
          Issue Type: New Feature
          Components: client
    Affects Versions: 2.8.4
            Reporter: Brandon Scheller


Make hadoop consider wildcard host as datalocal.

This allows hadoop to treat "*" as data local. This allows remote filesystems to increase performance by skipping retrys for data locality by returning "*" as the block host when the filesystem is asked for the block location.



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