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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5427) not able to read deleted files from snapshot directly under snapshottable dir after checkpoint and NN restart
Date Wed, 11 Dec 2013 10:58:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13845290#comment-13845290
] 

Hudson commented on HDFS-5427:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #418 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/418/])
Move HDFS-5257,HDFS-5427,HDFS-5443,HDFS-5476,HDFS-5425,HDFS-5474,HDFS-5504,HDFS-5428 into
branch-2.3 section. (jing9: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1550011)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> not able to read deleted files from snapshot directly under snapshottable dir after checkpoint
and NN restart
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-5427
>                 URL: https://issues.apache.org/jira/browse/HDFS-5427
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: snapshots
>    Affects Versions: 3.0.0, 2.2.0
>            Reporter: Vinay
>            Assignee: Vinay
>             Fix For: 2.3.0
>
>         Attachments: HDFS-5427-v2.patch, HDFS-5427.patch, HDFS-5427.patch
>
>
> 1. allow snapshots under dir /foo
> 2. create a file /foo/bar
> 3. create a snapshot s1 under /foo
> 4. delete the file /foo/bar
> 5. wait till checkpoint or do saveNameSpace
> 6. restart NN.
> 7. Now try to read the file from snapshot /foo/.snapshot/s1/bar
> client will get BlockMissingException
> Reason is 
> While loading the deleted file list for a snashottable dir from fsimage, blocks were
not updated in blocksmap



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