Zoltan Borok-Nagy has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/20179 )

Change subject: IMPALA-12233: Fixed PHJ hanging caused by cyclic barrier
......................................................................


Patch Set 6:

(5 comments)

http://gerrit.cloudera.org:8080/#/c/20179/6/be/src/util/cyclic-barrier-test.cc
File be/src/util/cyclic-barrier-test.cc:

http://gerrit.cloudera.org:8080/#/c/20179/6/be/src/util/cyclic-barrier-test.cc@205
PS6, Line 205: Test that unregister functions as expected.
This is the same comment as above. Could you please add some details to them?


http://gerrit.cloudera.org:8080/#/c/20179/6/be/src/util/cyclic-barrier.h
File be/src/util/cyclic-barrier.h:

http://gerrit.cloudera.org:8080/#/c/20179/6/be/src/util/cyclic-barrier.h@86
PS6, Line 86: execute 'fn'
nit: execute 'fn' of Wait()


http://gerrit.cloudera.org:8080/#/c/20179/6/be/src/util/cyclic-barrier.cc
File be/src/util/cyclic-barrier.cc:

http://gerrit.cloudera.org:8080/#/c/20179/6/be/src/util/cyclic-barrier.cc@41
PS6, Line 41:     std::unique_lock<std::mutex> l(lock_);
nit: no need for 'std::'


http://gerrit.cloudera.org:8080/#/c/20179/6/be/src/util/cyclic-barrier.cc@44
PS6, Line 44: DCHECK(num_threads_ >= 0);
nit: could be DCHECK_GE


http://gerrit.cloudera.org:8080/#/c/20179/6/be/src/util/cyclic-barrier.cc@47
PS6, Line 47:   if (notify) {
            :     barrier_cv_.NotifyOne();
            :   }
nit: fits single line



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I8be75c7ce99c015964c8bbb547539e6619ba4f9b
Gerrit-Change-Number: 20179
Gerrit-PatchSet: 6
Gerrit-Owner: Gergely Fürnstáhl <[email protected]>
Gerrit-Reviewer: Gergely Fürnstáhl <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Wed, 19 Jul 2023 14:05:53 +0000
Gerrit-HasComments: Yes

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