Juan Yu has posted comments on this change.

Change subject: IMPALA-2076: Correct execution time tracking for 
DataStreamSender.
......................................................................


Patch Set 6:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/2578/6/be/src/runtime/backend-client.h
File be/src/runtime/backend-client.h:

Line 40:     if (transmit_csw_ != NULL) {
> FlushAndSendEos does send the final buffered row batch, so it is sending da
Do you mean the SendCurrentBatch() there?
All row batch sending will eventually call 
DataStreamSender::Channel::TransmitDataHelper() so the time is already tracked. 
We just don't count the final doRpc() call. see 
be/src/runtime/data-stream-sender.cc L285-290
it doesn't call params.__set_row_batch(). it just sends eos flag.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I9c530b2056d852c8bcac6263e9e6b1a6bede1047
Gerrit-PatchSet: 6
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Juan Yu <[email protected]>
Gerrit-Reviewer: Dan Hecht <[email protected]>
Gerrit-Reviewer: Henry Robinson <[email protected]>
Gerrit-Reviewer: Juan Yu <[email protected]>
Gerrit-Reviewer: Sailesh Mukil <[email protected]>
Gerrit-HasComments: Yes

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