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Posted to issues@tez.apache.org by "Rohini Palaniswamy (JIRA)" <ji...@apache.org> on 2015/10/01 00:18:04 UTC

[jira] [Created] (TEZ-2864) Vertex group output commit overwrites without failing on conflict

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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