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Posted to issues@tez.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2016/07/14 19:15:20 UTC

[jira] [Created] (TEZ-3349) Tez: PipelinedSorter - remove interface calls from the inner loop

Gopal V created TEZ-3349:
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             Summary: Tez: PipelinedSorter - remove interface calls from the inner loop
                 Key: TEZ-3349
                 URL: https://issues.apache.org/jira/browse/TEZ-3349
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Gopal V


IndexedSortable is responsible for a huge degradation in sort performance in PipelinedSorter.

With the TezRawComparator in place, the interface dispatch within indexed sortable is significantly affecting the speed of the sort impl.

!movabs-check.png!



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