Hudson commented on HADOOP-15340:

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13958 (See 
HADOOP-15340. Provide meaningful RPC server name for RpcMetrics. (xyao: rev 
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> Provide meaningful RPC server name for RpcMetrics
> -------------------------------------------------
>                 Key: HADOOP-15340
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15340
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: common
>    Affects Versions: 3.2.0
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>            Priority: Major
>             Fix For: 3.2.0
>         Attachments: HADOOP-15340.001.patch, HADOOP-15340.002.patch, 
> HADOOP-15340.003.patch
> In case of multiple RPC servers in the same JVM it's hard to identify the 
> metric data. The only available information as of now is the port number.
> Server name is also added in the constructor of Server.java but it's not used 
> at all.
> This patch fix this behaviour:
>  1. The server name is saved to a field in Server.java (constructor signature 
> is not changed)
>  2. ServerName is added as a tag to the metrics in RpcMetrics
>  3. The naming convention for the severs are fix.
> About 3: if the server name is not defined the current code tries to identify 
> the name from the class name. Which is not always an easy task as in some 
> cases the server has a protobuf generated dirty name which also could be an 
> inner class.
> The patch also improved the detection of the name (if it's not defined). It's 
> a compatible change as the current name is not user ad all.

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