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Posted to issues@tez.apache.org by "Ming Ma (JIRA)" <ji...@apache.org> on 2016/04/09 00:19:25 UTC

[jira] [Created] (TEZ-3206) Have unordered partitioned KV output send partition stats via VertexManagerEvent

Ming Ma created TEZ-3206:
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             Summary: Have unordered partitioned KV output send partition stats via VertexManagerEvent 
                 Key: TEZ-3206
                 URL: https://issues.apache.org/jira/browse/TEZ-3206
             Project: Apache Tez
          Issue Type: New Feature
            Reporter: Ming Ma


As part of the auto-parallelism feature, ordered partitioned KV output's partition stats are sent to ShuffleVertexManager via VertexManagerEvent. But this isn't available for unordered partitioned output. Having {{UnorderedPartitionedKVWriter}} send partition stats will enable the auto-parallelism support for unordered KV or other custom data routing mechanisms that depend on partition size.



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