Gopal V created TEZ-2363:
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Summary: 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
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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