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https://issues.apache.org/jira/browse/MAPREDUCE-6627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15153555#comment-15153555
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Hudson commented on MAPREDUCE-6627:
-----------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #9327 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/9327/])
MAPREDUCE-6627. Add machine-readable output to mapred job -history (rkanter: 
rev 8eee59ce6b3044cb73bb41fed6b7ece959e7c2f8)
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/HistoryViewer.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/pom.xml
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMRJobClient.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/site/markdown/MapredCommands.md
* hadoop-mapreduce-project/CHANGES.txt
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/tools/CLI.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/HumanReadableHistoryViewerPrinter.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/HistoryViewerPrinter.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JSONHistoryViewerPrinter.java
* hadoop-project/pom.xml
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestHistoryViewerPrinter.java


> Add machine-readable output to mapred job -history command
> ----------------------------------------------------------
>
>                 Key: MAPREDUCE-6627
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6627
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 2.9.0
>            Reporter: Robert Kanter
>            Assignee: Robert Kanter
>             Fix For: 2.9.0
>
>         Attachments: MAPREDUCE-6627.001.patch, MAPREDUCE-6627.002.patch, 
> MAPREDUCE-6627.003.patch, MAPREDUCE-6627.004.patch, MAPREDUCE-6627.005.patch, 
> MAPREDUCE-6627.006.patch, json.txt, json_all.txt
>
>
> It would be great if we could add a machine-readable output format, say JSON, 
> to the {{mapred job -history \[all\] <jobHistoryFile>}} command so that it's 
> easier for programs to consume that information and do further processing on 
> it.  At the same time, we should keep the existing API and formatting intact 
> for backwards compatibility.



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