Jeff Zhang created TEZ-1943:
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Summary: Move shared OutputCommiter to DAG
Key: TEZ-1943
URL: https://issues.apache.org/jira/browse/TEZ-1943
Project: Apache Tez
Issue Type: Bug
Reporter: Jeff Zhang
Assignee: Jeff Zhang
Currently, we will have one committer for each output of vertex even if it is a
shared output in the case of Vertex Group. In this scenario, the method
initialize and setupOutput of OutputCommiter will been called multiple times.
Although currently there is no issue on that, but this could cause potential
issue for any customized OutputCommitter in the future.
So this jira is for moving shared OutputCommiter to DAG and let DAG to control
the share OutputCommitter.
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