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https://issues.apache.org/jira/browse/MAPREDUCE-2645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13060549#comment-13060549
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Vinod Kumar Vavilapalli commented on MAPREDUCE-2645:
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Yikes, just realised there is a README too in the yarn directory.
bq. Required version for Protobuf library is proto 2.4.0 and above. I found
that the compilation gets broken with 2.3 erring on the option
"java_generate_equals_and_hash" as unknown.
We can drop my comment above, the README is clear about this.
Will be glad if we can make the changes in the README file too.
- Maven plugin is no longer needed to be installed separately. We can knock
those steps off.
- The entire section under "General instructions for starting Yarn and
MapReduce" is stale and better explained by the instructions in the INSTALL
file, it can be dumped altogether.
> Updates to MRv2 INSTALL documentation
> -------------------------------------
>
> Key: MAPREDUCE-2645
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2645
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Reporter: Josh Wills
> Assignee: Josh Wills
> Attachments: MAPREDUCE-2645.patch
>
>
> There are a few issues w/the current INSTALL document for MRv2 that I came
> across when I attempted to get it running:
> 1) Correct the mvn arg for skipping tests,
> 2) Add a step to start the yarn historyserver,
> 3) Add instructions to explicitly build the examples jar file and specify the
> mapreduce.clientfactory.class.name parameter correctly for MRv2.
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