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From "Joep Rottinghuis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3881) Writing RM cluster-level metrics
Date Mon, 11 Jul 2016 17:51:11 GMT

     [ https://issues.apache.org/jira/browse/YARN-3881?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Joep Rottinghuis updated YARN-3881:
    Parent Issue: YARN-5355  (was: YARN-2928)

> Writing RM cluster-level metrics
> --------------------------------
>                 Key: YARN-3881
>                 URL: https://issues.apache.org/jira/browse/YARN-3881
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>              Labels: YARN-5355
>         Attachments: metrics.json
> RM has a bunch of metrics that we may want to write into the timeline backend to. I attached
the metrics.json that I've crawled via {{http://localhost:8088/jmx?qry=Hadoop:*}}. IMHO, we
need to pay attention to three groups of metrics:
> 1. QueueMetrics
> 2. JvmMetrics
> 3. ClusterMetrics
> The problem is that unlike other metrics belongs to a single application, these ones
belongs to RM or cluster-wide. Therefore, current write path is not going to work for these
metrics because they don't have the associated user/flow/app context info. We need to rethink
of modeling cross-app metrics and the api to handle them.

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