Jacob Tolar created TEZ-3849:
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Summary: PipelinedSorter silently drops records
Key: TEZ-3849
URL: https://issues.apache.org/jira/browse/TEZ-3849
Project: Apache Tez
Issue Type: Bug
Reporter: Jacob Tolar
This bug was introduced in
https://github.com/apache/tez/commit/a47e8fcbea5eeab5a7cf812271d329524cc02dba?diff=split
when combiner != null, the change in this commit passes kvIter with next()
having already been called. This ends up (silently) dropping the first record
in the partition.
Will submit PR and attach patch. [~jeagles], not sure if this is the way you
want to fix or not but it does fix my tests.
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