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https://issues.apache.org/jira/browse/TEZ-2363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14515996#comment-14515996
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Rajesh Balamohan commented on TEZ-2363:
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lgtm. +1.
I believe the javac warning can be addressed by adding
"@SuppressWarnings("unchecked")" near TestValuesIterator.createCountedIterator?
> Counters: off by 1 error for REDUCE_INPUT_GROUPS counter
> --------------------------------------------------------
>
> Key: TEZ-2363
> URL: https://issues.apache.org/jira/browse/TEZ-2363
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.7.0
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Minor
> Attachments: TEZ-2363.1.patch
>
>
> The reduce input key groups are not incremented for the first key in
> operation, only for the second key does it increment in moveToNext() ->
> nextKey() -> inputKeyCounter.increment(1);
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