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Hadoop >> mail # dev >> [VOTE] Merge HDFS-2832 Heterogeneous Storage Phase 1 to trunk


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Re: [VOTE] Merge HDFS-2832 Heterogeneous Storage Phase 1 to trunk
Great work Arpit and Nicholas!

+1. I have been part of design. I have been following the changes closely.
This is ready to be merged into trunk.
On Mon, Dec 2, 2013 at 4:06 PM, Arpit Agarwal <[EMAIL PROTECTED]>wrote:

> Hello all,
>
> I would like to call a vote to merge phase 1 of the Heterogeneous Storage
> feature into trunk.
>
> *Scope of the changes:*
> The changes allow exposing the DataNode as a collection of storages and set
> the foundation for subsequent work to present Heterogeneous Storages to
> applications. This allows DataNodes to send block and storage reports
> per-storage. In addition this change introduces the ability to add a
> 'storage type' tag to the storage directories. This enables supporting
> different types of storages in addition to disk storage.
>
> Development of the feature is tracked in the jira
> https://issues.apache.org/jira/browse/HDFS-2832.
>
> *Details of development and testing:*
> Development has been done in a separate branch -
> https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2832. The
> updated design is posted at -
>
> https://issues.apache.org/jira/secure/attachment/12615761/20131125-HeterogeneousStorage.pdf
> .
> The changes involve ~6K changed lines of code, with a third of those
> changes being to tests.
>
> Please see the test plan
>
> https://issues.apache.org/jira/secure/attachment/12616642/20131202-HeterogeneousStorage-TestPlan.pdffor
> the details. Once the feature is
> merged into trunk, we will continue to test and fix any bugs that may be
> found on trunk as well as add further tests as outlined in the test plan.
>
> The bulk of the design and implementation was done by Suresh Srinivas,
> Sanjay Radia, Nicholas Sze, Junping Du and me. Also, thanks to Eric
> Sirianni, Chris Nauroth, Steve Loughran, Bikas Saha, Andrew Wang and Todd
> Lipcon for providing feedback on the Jiras and in discussions.
>
> This vote runs for a week and closes on 12/9/2013 at 11:59 pm PT.
>
> Thanks,
> Arpit
>
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