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https://issues.apache.org/jira/browse/HBASE-18640?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gavin updated HBASE-18640:
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Comment: was deleted
(was: A comment with security level 'jira-users' was removed.)
> Move mapreduce out of hbase-server into separate hbase-mapreduce module
> -----------------------------------------------------------------------
>
> Key: HBASE-18640
> URL: https://issues.apache.org/jira/browse/HBASE-18640
> Project: HBase
> Issue Type: Bug
> Reporter: Appy
> Assignee: Appy
> Priority: Major
> Fix For: 2.0.0-alpha-3, 2.0.0
>
> Attachments: HBASE-18640.branch-2.001.patch,
> HBASE-18640.master.001.patch, HBASE-18640.master.002.patch,
> HBASE-18640.master.003.patch, HBASE-18640.master.003.patch,
> HBASE-18640.master.004.patch, HBASE-18640.master.004.patch,
> HBASE-18640.master.005.patch, HBASE-18640.master.006.patch,
> HBASE-18640.master.007.patch, HBASE-18640.master.008.patch
>
>
> (Couldn't find another dedicated jira, so creating new one).
> Uploaded patch which is moving ~60 files to the new module. Few notes:
> - The classes remaining in hbase-server are the ones which are intensively
> coupled with visibility labels/wal/filesystem/hfile. These can not be
> migrated to new module until corresponding subcomponents are untangled out of
> hbase-server into their own separate modules.
> - Almost all mapreduce tests uses HBaseTestingUtil, so they can't be moved to
> hbase-mapreduce module. Given these dependency constraints, one way would be
> having a separate module for tests:
> hbase-mapreduce <---- hbase-server <------- hbase-mapreduce-tests
> Imo, this makes sense and looks fine.
> The only issue is - yetus' pre-commit. It won't run tests in
> hbase-mapreduce-tests module if something changed in just hbase-mapreduce.
> However, yetus' limitation shouldn't warrant against the idea.
> So i'd say that we should go that way, unless there are better suggestions.
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