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Posted to issues@tez.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2014/11/03 23:04:33 UTC

[jira] [Created] (TEZ-1733) TezMerger should sort FileChunks on decompressed size

Gopal V created TEZ-1733:
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             Summary: TezMerger should sort FileChunks on decompressed size
                 Key: TEZ-1733
                 URL: https://issues.apache.org/jira/browse/TEZ-1733
             Project: Apache Tez
          Issue Type: Bug
    Affects Versions: 0.5.2
            Reporter: Gopal V


 MAPREDUCE-3685 fixed the Merger sort order for file chunks to use the decompressed size, to cut-down on CPU and IO costs.

TezMerger needs an equivalent sorted TreeSet which sorts by the data with-in sizes rather than actual file sizes.




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