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From "Jesse Yates (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4336) Convert source tree into maven modules
Date Fri, 03 Feb 2012 01:36:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199462#comment-13199462
] 

Jesse Yates commented on HBASE-4336:
------------------------------------

@Zhihong - im worried that a lot of the work will go to waste in doing the refresh. I'm working
more on seeing it if is possible at an older point (or even close) and then seeing how that
translates to trunk. I think I'm a few weeks behind trunk, which shouldn't be _too_ bad
                
> Convert source tree into maven modules
> --------------------------------------
>
>                 Key: HBASE-4336
>                 URL: https://issues.apache.org/jira/browse/HBASE-4336
>             Project: HBase
>          Issue Type: Task
>          Components: build
>            Reporter: Gary Helmling
>            Priority: Critical
>             Fix For: 0.94.0
>
>
> When we originally converted the build to maven we had a single "core" module defined,
but later reverted this to a module-less build for the sake of simplicity.
> It now looks like it's time to re-address this, as we have an actual need for modules
to:
> * provide a trimmed down "client" library that applications can make use of
> * more cleanly support building against different versions of Hadoop, in place of some
of the reflection machinations currently required
> * incorporate the secure RPC engine that depends on some secure Hadoop classes
> I propose we start simply by refactoring into two initial modules:
> * core - common classes and utilities, and client-side code and interfaces
> * server - master and region server implementations and supporting code
> This would also lay the groundwork for incorporating the HBase security features that
have been developed.  Once the module structure is in place, security-related features could
then be incorporated into a third module -- "security" -- after normal review and approval.
 The security module could then depend on secure Hadoop, without modifying the dependencies
of the rest of the HBase code.

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