Hyunsik Choi created TAJO-591:
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Summary: Implement Output Committer for commiting final outut files
Key: TAJO-591
URL: https://issues.apache.org/jira/browse/TAJO-591
Project: Tajo
Issue Type: Improvement
Reporter: Hyunsik Choi
In Tajo, when some task is failed, QueryMaster retries the task on another
node. But, if the task belongs to the final step that generates output files in
HDFS, this error occurs because the final output file already exists. In order
to solve this problem, we have to implement some kind of output committer which
would be similar to that of MR.
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