[jira] [Commented] (TEZ-3810) TezCounter for idle time in shuffle phase

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

    [ https://issues.apache.org/jira/browse/TEZ-3810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16286672#comment-16286672 ] 

TezQA commented on TEZ-3810:
----------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment
  http://issues.apache.org/jira/secure/attachment/12901554/TEZ-3810.004.patch
  against master revision 4c378b4.

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

    {color:green}+1 tests included{color}.  The patch appears to include 2 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:red}-1 core tests{color}.  The patch failed these unit tests in :
                   org.apache.tez.runtime.library.common.writers.TestUnorderedPartitionedKVWriter

Test results: https://builds.apache.org/job/PreCommit-TEZ-Build/2701//testReport/
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/2701//console

This message is automatically generated.

> TezCounter for idle time in shuffle phase
> -----------------------------------------
>
>                 Key: TEZ-3810
>                 URL: https://issues.apache.org/jira/browse/TEZ-3810
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Ashwin Ramesh
>         Attachments: TEZ-3810-001.patch, TEZ-3810.002.patch, TEZ-3810.003.patch, TEZ-3810.004.patch
>
>
>  A task attempt counter that tracks how much time was spent waiting for inputs in the shuffle phase. We can use this to quickly identify jobs that are wasting a lot of time on the grid with idle reducer tasks instead of shuffling/merging.



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