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Posted to issues@tez.apache.org by "Eric Badger (JIRA)" <ji...@apache.org> on 2016/10/21 21:01:58 UTC

[jira] [Created] (TEZ-3486) COMBINE_OUTPUT_RECORDS/COMBINE_INPUT_RECORDS are not correct

Eric Badger created TEZ-3486:
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             Summary: COMBINE_OUTPUT_RECORDS/COMBINE_INPUT_RECORDS are not correct
                 Key: TEZ-3486
                 URL: https://issues.apache.org/jira/browse/TEZ-3486
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Eric Badger
            Assignee: Eric Badger


They appear to be swapped, though that is not quite the case. You can consistently see {{COMBINE_INPUT_RECORDS}} < {{COMBINE_OUTPUT_RECORDS}}, which shouldn't be possible. 

This issue relates to TEZ-1344, which was closed due to not being reproducible, but it actually is fairly easily reproducible if you run the same job on Tez and on MR. For whatever reason, I cannot reopen that Jira, so I'm creating this one. 



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