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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDDS-1710) Publish JVM metrics via Hadoop metrics
Date Tue, 23 Jul 2019 15:29:00 GMT

    [ https://issues.apache.org/jira/browse/HDDS-1710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16891136#comment-16891136

Anu Engineer commented on HDDS-1710:

Updated and committed the follow up Jira too, that fixed CheckStyle issues.

> Publish JVM metrics via Hadoop metrics
> --------------------------------------
>                 Key: HDDS-1710
>                 URL: https://issues.apache.org/jira/browse/HDDS-1710
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>          Components: om, Ozone Datanode, SCM
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.5.0, 0.4.1
>          Time Spent: 2h 50m
>  Remaining Estimate: 0h
> In ozone metrics can be published with the help of hadoop metrics (for example via PrometheusMetricsSink)
> The basic jvm metrics are not published by the metrics system (just with JMX)
> I am very interested about the basic JVM metrics (gc count, heap memory usage) to identify
possible problems in the test environment.
> Fortunately it's very easy to turn it on with the help of org.apache.hadoop.metrics2.source.JvmMetrics.

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