Rohini Palaniswamy created TEZ-2864:
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Summary: Vertex group output commit overwrites without failing on
conflict
Key: TEZ-2864
URL: https://issues.apache.org/jira/browse/TEZ-2864
Project: Apache Tez
Issue Type: Bug
Reporter: Rohini Palaniswamy
We encountered PIG-4649 with HCatStorer where it was hardcoding the part file
name and not honoring mapreduce.output.basename. If there were two vertex
groups writing to same output directory one was overwriting another as file
names were same without part-v000-o000 prefix. Tez should fail the job in that
case instead of silently losing data.
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