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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2832) Enable support for heterogeneous storages in HDFS
Date Tue, 03 Dec 2013 00:52:36 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837164#comment-13837164

Hadoop QA commented on HDFS-2832:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5618//console

This message is automatically generated.

> Enable support for heterogeneous storages in HDFS
> -------------------------------------------------
>                 Key: HDFS-2832
>                 URL: https://issues.apache.org/jira/browse/HDFS-2832
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>    Affects Versions: 0.24.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>         Attachments: 20130813-HeterogeneousStorage.pdf, 20131125-HeterogeneousStorage-TestPlan.pdf,
20131125-HeterogeneousStorage.pdf, 20131202-HeterogeneousStorage-TestPlan.pdf, H2832_20131107.patch,
editsStored, h2832_20131023.patch, h2832_20131023b.patch, h2832_20131025.patch, h2832_20131028.patch,
h2832_20131028b.patch, h2832_20131029.patch, h2832_20131103.patch, h2832_20131104.patch, h2832_20131105.patch,
h2832_20131107b.patch, h2832_20131108.patch, h2832_20131110.patch, h2832_20131110b.patch,
h2832_20131111.patch, h2832_20131112.patch, h2832_20131112b.patch, h2832_20131114.patch, h2832_20131118.patch,
h2832_20131119.patch, h2832_20131119b.patch, h2832_20131121.patch, h2832_20131122.patch, h2832_20131122b.patch,
h2832_20131123.patch, h2832_20131124.patch, h2832_20131202.patch
> HDFS currently supports configuration where storages are a list of directories. Typically
each of these directories correspond to a volume with its own file system. All these directories
are homogeneous and therefore identified as a single storage at the namenode. I propose, change
to the current model where Datanode * is a * storage, to Datanode * is a collection * of strorages.

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