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https://issues.apache.org/jira/browse/HDFS-7611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14291050#comment-14291050
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Hudson commented on HDFS-7611:
------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #84 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/84/])
HDFS-7676. Fix TestFileTruncate to avoid bug of HDFS-7611. Contributed by
Konstantin Shvachko. (shv: rev 370396509deb5c9319c5db880f3e4058b20a7514)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileTruncate.java
> deleteSnapshot and delete of a file can leave orphaned blocks in the
> blocksMap on NameNode restart.
> ---------------------------------------------------------------------------------------------------
>
> Key: HDFS-7611
> URL: https://issues.apache.org/jira/browse/HDFS-7611
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.6.0
> Reporter: Konstantin Shvachko
> Assignee: Byron Wong
> Priority: Critical
> Attachments: blocksNotDeletedTest.patch, testTruncateEditLogLoad.log
>
>
> If quotas are enabled a combination of operations *deleteSnapshot* and
> *delete* of a file can leave orphaned blocks in the blocksMap on NameNode
> restart. They are counted as missing on the NameNode, and can prevent
> NameNode from coming out of safeMode and could cause memory leak during
> startup.
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