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https://issues.apache.org/jira/browse/TEZ-3486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Badger updated TEZ-3486:
-----------------------------
Attachment: TEZ-3486.001.patch
Attaching a patch that fixes the calculation for
COMBINE_INPUT_RECORDS/COMBINE_OUTPUT_RECORDS. Additionally, changed the
combiner unit tests to test these counter values.
[~rohini], can you take a look at the patch?
> 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
> Attachments: TEZ-3486.001.patch
>
>
> 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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