Owen O'Malley created HIVE-4250:
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Summary: Closing lots of RecordWriters is slow
Key: HIVE-4250
URL: https://issues.apache.org/jira/browse/HIVE-4250
Project: Hive
Issue Type: New Feature
Components: Serializers/Deserializers
Reporter: Owen O'Malley
Assignee: Owen O'Malley
In FileSinkOperator, all of the RecordWriters are closed sequentially. For
queries with a lot of dynamic partitions this can add substantially to the task
time. For one query in particular, after processing all of the records in a few
minutes the reduces spend 15 minutes closing all of the RC files.
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