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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6089) Standby NN while transitioning to active throws a connection refused error when the prior active NN process is suspended
Date Fri, 21 Mar 2014 11:14:54 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13942973#comment-13942973
] 

Hudson commented on HDFS-6089:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #516 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/516/])
HDFS-6089. Standby NN while transitioning to active throws a connection refused error when
the prior active NN process is suspended. Contributed by Jing Zhao. (wang: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1579692)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/EditLogTailer.java


> Standby NN while transitioning to active throws a connection refused error when the prior
active NN process is suspended
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-6089
>                 URL: https://issues.apache.org/jira/browse/HDFS-6089
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha
>    Affects Versions: 2.4.0
>            Reporter: Arpit Gupta
>            Assignee: Jing Zhao
>             Fix For: 2.4.0
>
>         Attachments: HDFS-6089.000.patch, HDFS-6089.001.patch, HDFS-6089.002.patch
>
>
> The following scenario was tested:
> * Determine Active NN and suspend the process (kill -19)
> * Wait about 60s to let the standby transition to active
> * Get the service state for nn1 and nn2 and make sure nn2 has transitioned to active.
> What was noticed that some times the call to get the service state of nn2 got a socket
time out exception.



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