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From "Akira Ajisaka (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11180) Intermittent deadlock in NameNode when failover happens.
Date Tue, 06 Dec 2016 11:11:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15724868#comment-15724868
] 

Akira Ajisaka commented on HDFS-11180:
--------------------------------------

Ran all the HDFS tests and the following tests failed.
* TestJMXGet: HDFS-9072 (fixed in 2.7.3+ but not fixed in branch-2.6)
* TestLazyPersistFiles: HDFS-9743 (fixed in 2.7.3+ but not fixed in branch-2.6)

All other tests passed, so I'll commit this.

> 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: 2.8.0, 2.7.4, 3.0.0-alpha2, 2.6.6
>
>         Attachments: HDFS-11180-branch-2.01.patch, HDFS-11180-branch-2.6.01.patch, HDFS-11180-branch-2.7.01.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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