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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8211) DataNode UUID is always null in the JMX counter
Date Fri, 24 Apr 2015 23:54:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14512055#comment-14512055
] 

Hudson commented on HDFS-8211:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #7672 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/7672/])
HDFS-8211. DataNode UUID is always null in the JMX counter. (Contributed by Anu Engineer)
(arp: rev dcc5455e07be75ca44eb6a33d4e706eec11b9905)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeUUID.java


> DataNode UUID is always null in the JMX counter
> -----------------------------------------------
>
>                 Key: HDFS-8211
>                 URL: https://issues.apache.org/jira/browse/HDFS-8211
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: HDFS
>    Affects Versions: 2.7.0
>            Reporter: Anu Engineer
>            Assignee: Anu Engineer
>            Priority: Minor
>             Fix For: 2.8.0
>
>         Attachments: hdfs-8211.001.patch, hdfs-8211.002.patch
>
>
> The DataNode JMX counters are tagged with DataNode UUID, but it always gets a null value
instead of the UUID.
> {code}
> Hadoop:service=DataNode,name=FSDatasetState*-null*.
> {code}
> This null is supposed be the datanode UUID.



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