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From "Zesheng Wu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5682) Heterogeneous Storage phase 2 - APIs to expose Storage Types
Date Tue, 13 May 2014 02:02:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13995944#comment-13995944

Zesheng Wu commented on HDFS-5682:

Thanks [~arpitagarwal], recently some of the our users have strong requirement of read/write
SLA on HBase, and we notice that HDFS's heterogeneous storage feature is really interesting
and helpful,  thanks for your valuable work on this:) 
Last week I looked into HDFS-2832 and found that we need HDFS-5682 to be finished before heterogeneous
storage can be used, so I  asked for the progress of this issue. As you said this was deprioritized,
I am wondering whether you can give a more specific plan, and I can spend some time working
on some of the subtasks.

> Heterogeneous Storage phase 2 - APIs to expose Storage Types
> ------------------------------------------------------------
>                 Key: HDFS-5682
>                 URL: https://issues.apache.org/jira/browse/HDFS-5682
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
> Phase 1 (HDFS-2832) added support to present the DataNode as a collection of discrete
storages of different types.
> This Jira is to track phase 2 of the Heterogeneous Storage work which involves exposing
Storage Types to applications and adding Quota Management support for administrators.
> This phase will also include tools support for administrators/users.

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