[jira] [Commented] (TEZ-3777) Avoid buffer copies by passing RLE flag to TezMerger from PipelinedSorter

["TezQA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TEZ-3777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16064640#comment-16064640 ] 

TezQA commented on TEZ-3777:
----------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment
  http://issues.apache.org/jira/secure/attachment/12874648/TEZ-3777.1.patch
  against master revision 5b0f5a0.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:red}-1 findbugs{color}.  The patch appears to introduce 4 new Findbugs (version 3.0.1) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-TEZ-Build/2547//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-TEZ-Build/2547//artifact/patchprocess/newPatchFindbugsWarningstez-runtime-library.html
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/2547//console

This message is automatically generated.

> Avoid buffer copies by passing RLE flag to TezMerger from PipelinedSorter
> -------------------------------------------------------------------------
>
>                 Key: TEZ-3777
>                 URL: https://issues.apache.org/jira/browse/TEZ-3777
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>         Attachments: TEZ-3777.1.patch
>
>
> RLE information computed in pipelinedSorter can be passed on to {{TezMerger.merge}} in  {{PipelinedSorter::flush}}. Depending on dataset, this can save lot of data copies.



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