[jira] [Commented] (MAPREDUCE-5568) JHS returns invalid string for reducer completion percentage if AM restarts with 0 reducer.

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

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14205868#comment-14205868 ] 

Hadoop QA commented on MAPREDUCE-5568:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12680725/5568.patch01
  against trunk revision 5c9a51f.

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {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 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version 2.0.3) 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 hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5005//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5005//console

This message is automatically generated.

> JHS returns invalid string for reducer completion percentage if AM restarts with 0 reducer.
> -------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5568
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5568
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.4.1, 2.5.1
>            Reporter: Jian He
>            Assignee: MinJi Kim
>         Attachments: 5568.patch01
>
>
> JobCLient shows like:
> {code}
> 13/10/05 16:26:09 INFO mapreduce.Job:  map 100% reduce NaN%
> 13/10/05 16:26:09 INFO mapreduce.Job: Job job_1381015536254_0001 completed successfully
> 13/10/05 16:26:09 INFO mapreduce.Job: Counters: 26
> 	File System Counters
> 		FILE: Number of bytes read=0
> 		FILE: Number of bytes written=76741
> 		FILE: Number of read operations=0
> 		FILE: Number of large read operations=0
> 		FILE: Number of write operations=0
> 		HDFS: Number of bytes read=48
> 		HDFS: Number of bytes written=0
> 		HDFS: Number of read operations=1
> 		HDFS: Number of large read operations=0
> 		HDFS: Number of write operations=0
> {code}
> With mapped job -status command, it shows:
> {code}
> Uber job : false
> Number of maps: 1
> Number of reduces: 0
> map() completion: 1.0
> reduce() completion: NaN
> Job state: SUCCEEDED
> retired: false
> reason for failure:
> {code}



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