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https://issues.apache.org/jira/browse/HDFS-5249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13776194#comment-13776194
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Hudson commented on HDFS-5249:
------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #342 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/342/])
HDFS-5249. Fix dumper thread which may die silently. Contributed by Brandon Li
(brandonli:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1525770)
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/OpenFileCtx.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Fix dumper thread which may die silently
> ----------------------------------------
>
> Key: HDFS-5249
> URL: https://issues.apache.org/jira/browse/HDFS-5249
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: nfs
> Reporter: Brandon Li
> Assignee: Brandon Li
> Fix For: 2.1.1-beta
>
> Attachments: HDFS-5249.02.patch, HDFS-5249.patch
>
>
> Dumper thread can get an NPE when the WriteCtx it's about to work on is just
> deleted by write back thread.
> A dead dumper thread could cause out-of-memory error when too many pending
> writes accumulated for one opened file.
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