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https://issues.apache.org/jira/browse/HADOOP-12985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoyu Yao updated HADOOP-12985:
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Attachment: HADOOP-12985.05.patch
Fix the javac issue as the MetricsUtil is in metrics 1 package. It has been
deprecated by metrics2. Move the utility class into metrics2 util.
> Support MetricsSource interface for DecayRpcScheduler Metrics
> -------------------------------------------------------------
>
> Key: HADOOP-12985
> URL: https://issues.apache.org/jira/browse/HADOOP-12985
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Attachments: HADOOP-12985.00.patch, HADOOP-12985.02.patch,
> HADOOP-12985.03.patch, HADOOP-12985.04.patch, HADOOP-12985.05.patch
>
>
> This allows metrics collector such as AMS to collect it with MetricsSink. The
> per user RPC call counts, schedule decisions and per priority response time
> will be useful to detect and trouble shoot Hadoop RPC server such as Namenode
> overload issues.
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