Bikramjeet Vig has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10314 )

Change subject: IMPALA-6970: race with decreasing scanner reservation
......................................................................


Patch Set 2:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/10314/2/be/src/runtime/bufferpool/buffer-pool-test.cc
File be/src/runtime/bufferpool/buffer-pool-test.cc:

http://gerrit.cloudera.org:8080/#/c/10314/2/be/src/runtime/bufferpool/buffer-pool-test.cc@2158
PS2, Line 2158: thread_group
nit: maybe just use 'thread' if we need only one


http://gerrit.cloudera.org:8080/#/c/10314/2/be/src/runtime/bufferpool/buffer-pool.h
File be/src/runtime/bufferpool/buffer-pool.h:

http://gerrit.cloudera.org:8080/#/c/10314/2/be/src/runtime/bufferpool/buffer-pool.h@349
PS2, Line 349: the postcondition
             :   /// does not hold if called concurrently with a 
DecreaseReservation*() call.
do you mean that the post-condition of "after which 'bytes' can be used" does 
not hold in this case?

if yes, wont this method be confusing to use if its not serving its purpose 
after returning an OK status.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I653225c981bf674d2b2b947f3a3cb4d8f382d36b
Gerrit-Change-Number: 10314
Gerrit-PatchSet: 2
Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Bikramjeet Vig <bikramjeet....@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Comment-Date: Mon, 07 May 2018 22:19:29 +0000
Gerrit-HasComments: Yes

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