Marcel Kornacker has posted comments on this change.

Change subject: IMPALA-3610: Account for memory used by filters in the 
coordinator
......................................................................


Patch Set 9:

(4 comments)

http://gerrit.cloudera.org:8080/#/c/4066/9/be/src/runtime/coordinator.cc
File be/src/runtime/coordinator.cc:

Line 718:     // Cast the const away to read non-const member functions. No 
modification is done.
> I can't call non-const functions otherwise, specifically state.targets() an
then why not remove the 'const' in the for?


Line 2048:   for (auto& filter: filter_routing_table_) {
> I don't understad, versus?
this is an iterator, no?


Line 2107:     state->set_completion_time(query_events_->ElapsedTime());
> This has to be set only once we are sure that we aren't going to wait for a
that's right, and FilterState has all the information it needs to do this 
correctly.


Line 2119:     if (state->desc().is_broadcast_join) {
> That would cause broadcast filters having to swap() twice, which is two tim
swap() means there's no copy (for the string field).


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Gerrit-MessageType: comment
Gerrit-Change-Id: I3c52c8a1c2e79ef370c77bf264885fc859678d1b
Gerrit-PatchSet: 9
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Henry Robinson <[email protected]>
Gerrit-Reviewer: Dan Hecht <[email protected]>
Gerrit-Reviewer: Henry Robinson <[email protected]>
Gerrit-Reviewer: Marcel Kornacker <[email protected]>
Gerrit-Reviewer: Sailesh Mukil <[email protected]>
Gerrit-HasComments: Yes

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