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https://issues.apache.org/jira/browse/HDFS-11180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15712124#comment-15712124
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Hudson commented on HDFS-11180:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10923 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/10923/])
HDFS-11180. Intermittent deadlock in NameNode when failover happens. (aajisaka: 
rev e0fa49234fd37aca88e1caa95bac77bca192bae4)
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/dev-support/findbugsExcludeFile.xml
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/StandbyCheckpointer.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSNamesystemMBean.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java


> Intermittent deadlock in NameNode when failover happens.
> --------------------------------------------------------
>
>                 Key: HDFS-11180
>                 URL: https://issues.apache.org/jira/browse/HDFS-11180
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.6.0
>            Reporter: Abhishek Modi
>            Assignee: Akira Ajisaka
>            Priority: Blocker
>              Labels: high-availability
>             Fix For: 3.0.0-alpha2
>
>         Attachments: HDFS-11180-branch-2.01.patch, 
> HDFS-11180-branch-2.8.01.patch, HDFS-11180.00.patch, HDFS-11180.01.patch, 
> HDFS-11180.02.patch, HDFS-11180.03.patch, HDFS-11180.04.patch, jstack.log
>
>
> It is happening due to metrics getting updated at the same time when failover 
> is happening. Please find attached jstack at that point of time.



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