Reporting progress to JT during closing files in FileSinkOperator
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Key: HIVE-1403
URL: https://issues.apache.org/jira/browse/HIVE-1403
Project: Hadoop Hive
Issue Type: Bug
Reporter: Ning Zhang
Assignee: Ning Zhang
If there are too many files need to be closed in FileSinkOperator (e.g., if
DynamicPartition/FileSpray is turned on), there could be many files generated
by each task and they need to be closed at the FileSinkOperator.closeOp(). If
the NN is overloaded each file close could take more than 1 sec. This sometimes
make JT think the task is dead since it takes too long to close all the files
and without any progress report. We need to report progress after a while
during file closing.
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