Joe McDonnell created IMPALA-14845:
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Summary: RpcRecvrTime should keep initial receiver startup delay
separate
Key: IMPALA-14845
URL: https://issues.apache.org/jira/browse/IMPALA-14845
Project: IMPALA
Issue Type: Task
Components: Distributed Exec
Affects Versions: Impala 5.0.0
Reporter: Joe McDonnell
RpcReceiverTime/RpcNetworkTime are used to understand the performance of RPCs
for KRPC data stream senders. One complication for RpcReceiverTime is that a
slow startup of the receiver can result in a high value once without impacting
subsequent values. For example, if we set
--stress_datastream_recvr_delay_ms=5000 to force the receiver to be delayed by
5 seconds, the max value for RpcReceiverTime would be 5 seconds. It would be
useful to make a distinction between the setup delay vs the maximum seen after
that point.
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