[Impala-ASF-CR] IMPALA-5417: make I/O buffer queue fixed-size

["Dan Hecht (Code Review)" <ge...@cloudera.org>]

Dan Hecht has posted comments on this change.

Change subject: IMPALA-5417: make I/O buffer queue fixed-size
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Patch Set 7: Code-Review+2

(2 comments)

http://gerrit.cloudera.org:8080/#/c/7408/7/be/src/runtime/disk-io-mgr-scan-range.cc
File be/src/runtime/disk-io-mgr-scan-range.cc:

Line 47:     DCHECK(reader_lock.mutex() == &reader_->lock_ && reader_lock.owns_lock());
does that belong in the scope? seems clearer to start the scope with the lock acquisition to make it clear why there's a scope.


http://gerrit.cloudera.org:8080/#/c/7408/7/be/src/runtime/disk-io-mgr.h
File be/src/runtime/disk-io-mgr.h:

PS7, Line 801: be an I/O
is that suppose to say buffer?  Or does it mean I/O operation?


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Gerrit-MessageType: comment
Gerrit-Change-Id: If7cc3f7199f5320db00b7face97a96cdadb6f83f
Gerrit-PatchSet: 7
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Tim Armstrong <ta...@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dh...@cloudera.com>
Gerrit-Reviewer: Matthew Jacobs <mj...@cloudera.com>
Gerrit-Reviewer: Michael Ho
Gerrit-Reviewer: Michael Ho <kw...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <ta...@cloudera.com>
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