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https://issues.apache.org/jira/browse/TEZ-3701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16032357#comment-16032357
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TezQA commented on TEZ-3701:
----------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment
  http://issues.apache.org/jira/secure/attachment/12870690/TEZ-3701.10.patch
  against master revision 7f026a8.

    {color:red}-1 patch{color}.  master compilation may be broken.

Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/2501//console

This message is automatically generated.

> UnorderedPartitionedKVWriter - issues with parallel Deflater usage, 
> synchronousqueue in threadpool
> --------------------------------------------------------------------------------------------------
>
>                 Key: TEZ-3701
>                 URL: https://issues.apache.org/jira/browse/TEZ-3701
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.9.0
>            Reporter: Harish Jaiprakash
>            Assignee: Rajesh Balamohan
>            Priority: Blocker
>         Attachments: TEZ-3701.10.patch, TEZ-3701.2.patch, TEZ-3701.3.patch, 
> TEZ-3701.4.patch, TEZ-3701.5.patch, TEZ-3701.6.patch, TEZ-3701.7.patch, 
> TEZ-3701.8.patch, TEZ-3701.9.patch
>
>
> UnorderedPartitionedKVWriter add task to the executor, but does not wait for 
> them to finish before starting the final merge. This can cause finalMerge to 
> fail or write incorrect data.



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