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From "Akira AJISAKA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9913) Document time unit to RpcMetrics.java
Date Fri, 30 Aug 2013 00:17:52 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13754243#comment-13754243
] 

Akira AJISAKA commented on HADOOP-9913:
---------------------------------------

I created HDFS-5144 for NameNodeMetrics.java.
                
> Document time unit to RpcMetrics.java
> -------------------------------------
>
>                 Key: HADOOP-9913
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9913
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: documentation, metrics
>    Affects Versions: 3.0.0, 2.1.0-beta
>         Environment: trunk
>            Reporter: Akira AJISAKA
>            Assignee: Akira AJISAKA
>            Priority: Minor
>              Labels: newbie
>         Attachments: HADOOP-9913.2.patch, HADOOP-9913.patch
>
>
> In o.a.h.ipc.metrics.RpcMetrics.java, metrics are declared as follows:
> {code}
>    @Metric("Queue time") MutableRate rpcQueueTime;
>    @Metric("Processsing time") MutableRate rpcProcessingTime;
> {code}
> Since some users may confuse which unit (sec or msec) is correct, they should be documented.

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