lindongdong created HADOOP-16310:
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Summary: 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: 3.1.2, 2.7.7, 3.1.1
Reporter: lindongdong
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 added to
the log.
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