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https://issues.apache.org/jira/browse/MAPREDUCE-7062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16433393#comment-16433393
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Hudson commented on MAPREDUCE-7062:
-----------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13965 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/13965/])
MAPREDUCE-7062. Update mapreduce.job.tags description for making use for 
(rohithsharmaks: rev 6cc59a09e7330dc893b386d84c8f2aa86c02eace)
* (edit) 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml


> Update mapreduce.job.tags description for making use for ATSv2 purpose.
> -----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-7062
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7062
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Charan Hebri
>            Assignee: Charan Hebri
>            Priority: Major
>             Fix For: 2.10.0, 3.2.0, 3.0.3, 3.1.1
>
>         Attachments: MAPREDUCE-7062.001.patch
>
>
> When applications are submitted to YARN, tags are generated in the format 
>  
> TIMELINE_FLOW_NAME_TAG:\{flow_name},TIMELINE_FLOW_VERSION_TAG:\{flow_version},TIMELINE_FLOW_RUN_ID_TAG:\{flow_run_id}
> However, MR applications don't follow this format and the tags submitted via 
> the property mapreduce.job.tags are of the format,
> {flow_name} ,\{flow_version},\{flow_run_id}
> Due to this, YARN falls back to default values for flow name, flow version 
> and flow run id which in turn are used in ATSv2.
> There are 2 approaches that could be taken to make MR tags compatible with 
> ATSv2,
> Fix in the MR code
>  -------------------------
>  Prefix any tags specified with the ones needed by the YARN Timeline Service 
> v2. But MR is legacy code and hence these changes could affect how users are 
> using these tags.
> Add a note in mapred-default.xml
>  --------------------------------------------
>  Add notes in the property name, mapreduce.job.tags mentioning that for 
> purposes of ATSv2, prefixes need to be added to the tag names.



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