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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2832) Enable support for heterogeneous storages in HDFS
Date Sat, 23 Nov 2013 22:43:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13830788#comment-13830788
] 

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/12615471/h2832_20131123.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 50 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

        {color:red}-1 release audit{color}.  The applied patch generated 1 release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core:

                  org.apache.hadoop.hdfs.server.namenode.TestCheckpoint
                  org.apache.hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/5556//testReport/
Release audit warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/5556//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5556//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,
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
>
>
> 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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