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https://issues.apache.org/jira/browse/YARN-4985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15859055#comment-15859055
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Sangjin Lee commented on YARN-4985:
-----------------------------------
[~haibochen]
Is it possible to create the hbase-server module so that it does *not* depend
on the hbase-client module? That's what I meant by watching out for
dependencies in the hbase-server code. It would be ideal if the hbase-server
code does not have to depend on the hbase-client code. It might mean splitting
the tests and putting some in the client and others in the server.
> Refactor the coprocessor code & other definition classes into independent
> packages
> ----------------------------------------------------------------------------------
>
> Key: YARN-4985
> URL: https://issues.apache.org/jira/browse/YARN-4985
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Vrushali C
> Assignee: Haibo Chen
> Labels: YARN-5355
> Attachments: YARN-4985-YARN-5355.prelim.patch
>
>
> As part of the coprocessor deployment, we have realized that it will be much
> cleaner to have the coprocessor code sit in a package which does not depend
> on hadoop-yarn-server classes. It only needs hbase and other util classes.
> These util classes and tag definition related classes can be refactored into
> their own independent "definition" class package so that making changes to
> coprocessor code, upgrading hbase, deploying hbase on a different hadoop
> version cluster etc all becomes operationally much easier and less error
> prone to having different library jars etc.
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