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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2802) Support for RW/RO snapshots in HDFS
Date Sat, 27 Apr 2013 04:02:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13643511#comment-13643511
] 

Hadoop QA commented on HDFS-2802:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12580803/h2802_20130426.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 29 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:green}+1 release audit{color}.  The applied patch does not increase the total number
of 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:

                  org.apache.hadoop.hdfs.tools.offlineImageViewer.TestOfflineImageViewer
                  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/4331//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4331//console

This message is automatically generated.
                
> Support for RW/RO snapshots in HDFS
> -----------------------------------
>
>                 Key: HDFS-2802
>                 URL: https://issues.apache.org/jira/browse/HDFS-2802
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode, namenode
>            Reporter: Hari Mankude
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: 2802.diff, 2802.patch, 2802.patch, h2802_20130417.patch, h2802_20130422.patch,
h2802_20130423.patch, h2802_20130425.patch, h2802_20130426.patch, HDFS-2802.20121101.patch,
HDFS-2802-meeting-minutes-121101.txt, HDFSSnapshotsDesign.pdf, snap.patch, snapshot-design.pdf,
snapshot-design.tex, snapshot-one-pager.pdf, Snapshots20121018.pdf, Snapshots20121030.pdf,
Snapshots.pdf, snapshot-testplan.pdf
>
>
> Snapshots are point in time images of parts of the filesystem or the entire filesystem.
Snapshots can be a read-only or a read-write point in time copy of the filesystem. There are
several use cases for snapshots in HDFS. I will post a detailed write-up soon with with more
information.

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