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Posted to issues@tez.apache.org by "Rajesh Balamohan (JIRA)" <ji...@apache.org> on 2014/07/30 10:46:38 UTC

[jira] [Created] (TEZ-1340) Investigate: InMemoryWriter instead of IFile.Writer, when segments > merge factor

Rajesh Balamohan created TEZ-1340:
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             Summary: Investigate: InMemoryWriter instead of IFile.Writer, when segments > merge factor
                 Key: TEZ-1340
                 URL: https://issues.apache.org/jira/browse/TEZ-1340
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Rajesh Balamohan


Even when the segments are small enough to fit into memory, tez ends up writing the merged segment to disk (IFile output).  Explore possibility and benefit of having InMemoryWriter instead of IFile.Writer for such segments.



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