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https://issues.apache.org/jira/browse/HDFS-2832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13820698#comment-13820698
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Hadoop QA commented on HDFS-2832:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12613434/h2832_20131112.patch
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/5408//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, 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
>
>
> 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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