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https://issues.apache.org/jira/browse/HADOOP-16310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16942050#comment-16942050
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Brahma Reddy Battula commented on HADOOP-16310:
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Resloving as duplicate of HADOOP-16531
> 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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