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From "John Zhuge (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14944) Add JvmMetrics to KMS
Date Sat, 14 Oct 2017 03:21:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16204447#comment-16204447
] 

John Zhuge commented on HADOOP-14944:
-------------------------------------

[~xiaochen] TestKMSWithZK failure:
{noformat}
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.19.1:test
(default-test)
 on project hadoop-kms: ExecutionException The forked VM terminated without properly saying
goodbye.
 VM crash or System.exit called?
{noformat}
Looks like someone called {{System.exit}}. See http://maven.apache.org/surefire/maven-surefire-plugin/faq.html#vm-termination.

> Add JvmMetrics to KMS
> ---------------------
>
>                 Key: HADOOP-14944
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14944
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: kms
>    Affects Versions: 2.6.0
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>         Attachments: HADOOP-14944.01.patch
>
>
> Let's make KMS to use {{JvmMetrics}} to report aggregated statistics about heap / GC
etc.
> This will make statistics monitoring easier, and compatible across the tomcat-based (branch-2)
KMS and the jetty-based (branch-3) KMS.



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