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https://issues.apache.org/jira/browse/HADOOP-15340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elek, Marton updated HADOOP-15340:
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Status: Patch Available (was: Open)
> Fix the RPC server name usage to provide information about the metrics
> ----------------------------------------------------------------------
>
> 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
> Attachments: HADOOP-15340.001.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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