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From "Dan Hecht (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-4674: Part 2: port backend exec to BufferPool
Date Tue, 11 Jul 2017 16:44:03 GMT
Dan Hecht has posted comments on this change.

Change subject: IMPALA-4674: Part 2: port backend exec to BufferPool
......................................................................


Patch Set 23:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/5801/23/be/src/runtime/runtime-state.h
File be/src/runtime/runtime-state.h:

PS23, Line 403: 
> I guess it's better in that most of the resources of a large query will be 
We discussed offline and decided for now to add a refcnt for the initial reservations, and
then later make the IMPALA-1575 patch (https://gerrit.cloudera.org/#/c/7079/) fold this back
by fixing the ReleaseResources() timing.


http://gerrit.cloudera.org:8080/#/c/5801/25/common/thrift/ImpalaInternalService.thrift
File common/thrift/ImpalaInternalService.thrift:

Line 264:   // this. Defaults to 64KB.
setting this equal to default_spillable_buffer_size effectively disables the planner optimziation,
correct?


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Gerrit-MessageType: comment
Gerrit-Change-Id: I7fc7fe1c04e9dfb1a0c749fb56a5e0f2bf9c6c3e
Gerrit-PatchSet: 23
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Tim Armstrong <tarmstrong@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dhecht@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstrong@cloudera.com>
Gerrit-HasComments: Yes

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