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https://issues.apache.org/jira/browse/HAMA-439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13118693#comment-13118693
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Vinod Kumar Vavilapalli commented on HAMA-439:
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Alright, I thought more about this, it is far too painful during the merge,
experienced myself with YARN.
Here's what we can do. We can simply create the hama-server module and make it
depend on hama-core for now. That way hama-server will automatically get all
the changes to the core for the time being.
Once hama-server is stable enough, we can revisit this modules effort. At that
time, it will simply be moves and can be done server-side with svn.
If it is okay doing this, we can reopen this ticket and start working on trunk
directly. We can look at this reorganization later.
Thoughts?
> Reorganize modules for YARN/MR-NextGen integration
> --------------------------------------------------
>
> Key: HAMA-439
> URL: https://issues.apache.org/jira/browse/HAMA-439
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.3.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Thomas Jungblut
> Fix For: 0.4.0
>
> Attachments: HAMA-349-20110927.txt, HAMA-349-move-20110927.sh,
> HAMA-349-move_v2.patch, HAMA-349-move_v2.sh, HAMA-349-move_v3.patch,
> HAMA-349-move_v4.patch, HAMA-349-move_v4.sh, HAMA-349-move_v5.patch,
> HAMA-439.patch
>
>
> I'd like to get started on HamaV2 to work with YARN/MR-nextgen.
> Here's what I think should be the module structure:
> - *api*: Code from HamaV1 related to APIs that will be moved to this new
> module. This will mainly have the BSP APIs: _BSP_, _BSPPeerInterface_ and all
> the related records like _BSPMessage_, _BSPMessageBundle etc.
> - *core*: Current/HamaV1 server code. Will have the current
> _BSPMaster_/_GroomServer_ infrastructure. We should probably rename it to
> {{classic-server}} or something similar.
> - *server*: New Hama server implementation to work with YARN. Will have
> _BSPApplicationMaster_, _BSPTask_ and related code.
> - *client*: Code from HamaV1 related to client that will be moved to this
> new module. This will mainly have the client-submission classes/interfaces
> like _BSPJob_, _BSPJobClient_, _JobStatus_ etc. It will be configurable to
> either run with the classic-server implementation or with YARN.
> There will not be any package changes but only code-moves across modules, so
> we will be backwards compatible.
> How does it look? Any thoughts/suggestions?
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