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https://issues.apache.org/jira/browse/HADOOP-14944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Chen updated HADOOP-14944:
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Attachment: HADOOP-14944.03.patch
Didn't see you already reviewed when posting last patch. Thanks for reviewing,
John!
Patch 3 addressed all comments except the first one, for the following reasons:
- Although the {{KMSWebApp}} implements {{ServletContextListener}}, it's
currently not just a servlet class. It contains the audits, acls and the
underlying provider details.
- Currently it has jmx reporter. If I'm just looking for where the jmx for gc
(for example) is reported, my search for jmx will land in there first.
- Backporting to branch-2 will be easier, since branch-2 doesn't have
{{KMSWebServer}}, and it's likely this code will go to either {{KMSWebApp}} or
{{KMS}} - the latter seems to be more of a rest end point and less fit for the
metrics.
> 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, HADOOP-14944.02.patch,
> HADOOP-14944.03.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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