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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7602) NM should reference the singleton JvmMetrics instance
Date Wed, 03 Jan 2018 18:03:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-7602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16310003#comment-16310003
] 

Hudson commented on YARN-7602:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13443 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/13443/])
YARN-7602. NM should reference the singleton JvmMetrics instance. (haibochen: rev 2f6c038be6c23522ea64fc4e415910fb72493eb2)
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/metrics/TestNodeManagerMetrics.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/metrics/NodeManagerMetrics.java
* (edit) hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/source/TestJvmMetrics.java


> NM should reference the singleton JvmMetrics instance
> -----------------------------------------------------
>
>                 Key: YARN-7602
>                 URL: https://issues.apache.org/jira/browse/YARN-7602
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 3.0.0-beta1
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>             Fix For: 3.1.0, 3.0.1
>
>         Attachments: YARN-7602.00.patch, YARN-7602.01.patch, YARN-7602.02.patch, YARN-7602.03.patch,
YARN-7602.04.patch
>
>
> NM does not reference the singleton JvmMetrics instance in its NodeManagerMetrics. This
will easily cause NM to crash if any of the node manager components tries to register JvmMetrics.
An example of this is TimelineCollectorManager that hosts a HBaseClient that registers JvmMetrics
again. See HBASE-19409 for details.



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