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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5568) Support inclusion of snapshot paths in Namenode fsck
Date Wed, 27 Nov 2013 09:31:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13833607#comment-13833607
] 

Hadoop QA commented on HDFS-5568:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12616007/HDFS-5568.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 1 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:green}+1 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/5588//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5588//console

This message is automatically generated.

> Support inclusion of snapshot paths in Namenode fsck
> ----------------------------------------------------
>
>                 Key: HDFS-5568
>                 URL: https://issues.apache.org/jira/browse/HDFS-5568
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: snapshots
>            Reporter: Vinay
>            Assignee: Vinay
>         Attachments: HDFS-5568-1.patch, HDFS-5568.patch, HDFS-5568.patch, HDFS-5568.patch,
HDFS-5568.patch
>
>
> Support Fsck to check the snapshot paths also for inconsistency.
> Currently Fsck supports snapshot paths if path given explicitly refers to a snapshot
path.
> We have seen safemode problems in our clusters which were due to blocks missing which
were only present inside snapshots. But "hdfs fsck /" shows HEALTHY. 
> So supporting snapshot paths also during fsck (may be by default or on demand) would
be helpful in these cases instead of specifying each and every snapshottable directory.



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