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Posted to issues@tez.apache.org by "Hitesh Shah (JIRA)" <ji...@apache.org> on 2013/05/19 21:53:16 UTC

[jira] [Created] (TEZ-145) Support a combiner processor that can run non-local to map/reduce nodes

Hitesh Shah created TEZ-145:
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             Summary: Support a combiner processor that can run non-local to map/reduce nodes
                 Key: TEZ-145
                 URL: https://issues.apache.org/jira/browse/TEZ-145
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Hitesh Shah
            Assignee: Hitesh Shah


For aggregate operators that can benefit by running in multi-level trees, support of being able to run a combiner in a non-local mode would allow performance efficiencies to be gained by running a combiner at a rack-level. 

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