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From "Brahma Reddy Battula (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-16310) Log of a slow RPC request should contain the parameter of the request
Date Tue, 01 Oct 2019 15:01:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-16310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brahma Reddy Battula resolved HADOOP-16310.
-------------------------------------------
    Resolution: Duplicate

> Log of a slow RPC request should contain the parameter of the request
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-16310
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16310
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: rpc-server
>    Affects Versions: 3.1.1, 2.7.7, 3.1.2
>            Reporter: lindongdong
>            Priority: Minor
>
>  Now, the log of  a slow RPC request just contains the *methodName*,*processingTime*
and *client*. Code is here:
> {code:java}
> if ((rpcMetrics.getProcessingSampleCount() > minSampleSize) &&
>     (processingTime > threeSigma)) {
>   if(LOG.isWarnEnabled()) {
>     String client = CurCall.get().toString();
>     LOG.warn(
>         "Slow RPC : " + methodName + " took " + processingTime +
>             " milliseconds to process from client " + client);
>   }
>   rpcMetrics.incrSlowRpc();
> }{code}
>  
> It is not enough to analyze why the RPC request is slow. 
> The parameter of the request is a very important thing, and need to be logged.



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