[jira] [Commented] (TEZ-3286) Allow clients to set processor reserved memory per vertex (instead of per container)

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

    [ https://issues.apache.org/jira/browse/TEZ-3286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15358113#comment-15358113 ] 

TezQA commented on TEZ-3286:
----------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment
  http://issues.apache.org/jira/secure/attachment/12815571/TEZ-3286.3.withTestTimeout.txt
  against master revision 71bb2de.

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

    {color:green}+1 tests included{color}.  The patch appears to include 12 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:green}+1 findbugs{color}.  The patch does not introduce any 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/1822//testReport/
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/1822//console

This message is automatically generated.

> Allow clients to set processor reserved memory per vertex (instead of per container)
> ------------------------------------------------------------------------------------
>
>                 Key: TEZ-3286
>                 URL: https://issues.apache.org/jira/browse/TEZ-3286
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.8.3
>            Reporter: Wei Zheng
>            Assignee: Hitesh Shah
>             Fix For: 0.9.0, 0.8.4
>
>         Attachments: TEZ-3286.1.patch, TEZ-3286.2.patch, TEZ-3286.3.patch, TEZ-3286.3.withTestTimeout.txt
>
>
> tez.task.scale.memory.reserve-fraction can be set by clients to control how much memory is available to the processor. Ths values applies at a container level though, instead of at a vertex level.
> In case of a hash-join - the processor typically needs more memory. In case of  a Shuffle join - the processor may not need as much. In DAGs with a mix of map joins and shuffle joins - setting this at a container level is sub-optimal.
> To a large extent this comes down to propagating vertex configs to the container / task.



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