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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7903) Cannot recover block after truncate and delete snapshot
Date Sat, 14 Mar 2015 14:37:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14361811#comment-14361811
] 

Hudson commented on HDFS-7903:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #2064 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2064/])
HDFS-7903. Cannot recover block after truncate and delete snapshot. Contributed by Plamen
Jeliazkov. (shv: rev 6acb7f2110897264241df44d564db2f85260348f)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FileDiffList.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileTruncate.java


> Cannot recover block after truncate and delete snapshot
> -------------------------------------------------------
>
>                 Key: HDFS-7903
>                 URL: https://issues.apache.org/jira/browse/HDFS-7903
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Plamen Jeliazkov
>            Priority: Blocker
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7903.1.patch, HDFS-7903.2.patch, HDFS-7903.patch, testMultipleTruncate.patch
>
>
> # Create a file.
> # Create a snapshot.
> # Truncate the file in the middle of a block.
> # Delete the snapshot.
> The block cannot be recovered.



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