Bikramjeet Vig has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10396 )

Change subject: IMPALA-3134: Support different proc mem limits among impalads 
for admission control checks
......................................................................


Patch Set 2:

(11 comments)

http://gerrit.cloudera.org:8080/#/c/10396/2//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/10396/2//COMMIT_MSG@14
PS2, Line 14: decisions.
> Can you mention that this assumes that the per-process memory limit does no
Done


http://gerrit.cloudera.org:8080/#/c/10396/2/be/src/scheduling/admission-controller.cc
File be/src/scheduling/admission-controller.cc:

http://gerrit.cloudera.org:8080/#/c/10396/2/be/src/scheduling/admission-controller.cc@49
PS2, Line 49: int64_t GetProcMemLimit() {
> This is dead code now
Done


http://gerrit.cloudera.org:8080/#/c/10396/2/be/src/scheduling/admission-controller.cc@152
PS2, Line 152: const string HOST_MEM_NOT_AVAILABLE = "Not enough memory 
available on host $0."
> Maybe this error message should include the total process memory limit, e.g
good idea. Done.


http://gerrit.cloudera.org:8080/#/c/10396/2/be/src/scheduling/admission-controller.cc@450
PS2, Line 450:
> Unnecessary vertical whitespace
Done


http://gerrit.cloudera.org:8080/#/c/10396/2/be/src/scheduling/admission-controller.cc@458
PS2, Line 458:
> Vertical whitespace
Done


http://gerrit.cloudera.org:8080/#/c/10396/2/be/src/scheduling/query-schedule.h
File be/src/scheduling/query-schedule.h:

http://gerrit.cloudera.org:8080/#/c/10396/2/be/src/scheduling/query-schedule.h@69
PS2, Line 69:   // The process memory limit of this backend.
> Maybe mention that it's the value obtained from the statestore during sched
Done


http://gerrit.cloudera.org:8080/#/c/10396/2/bin/start-impala-cluster.py
File bin/start-impala-cluster.py:

http://gerrit.cloudera.org:8080/#/c/10396/2/bin/start-impala-cluster.py@87
PS2, Line 87: seperated
> separated
Done


http://gerrit.cloudera.org:8080/#/c/10396/2/tests/custom_cluster/test_admission_controller.py
File tests/custom_cluster/test_admission_controller.py:

http://gerrit.cloudera.org:8080/#/c/10396/2/tests/custom_cluster/test_admission_controller.py@429
PS2, Line 429: 1000
> Can we set this lower? Is there a reason that it needs to sit in the queue
forgot to update that.


http://gerrit.cloudera.org:8080/#/c/10396/2/tests/custom_cluster/test_admission_controller.py@431
PS2, Line 431:   def test_heterogeneous_proc_mem_limit(self, vector):
> Can we add a 3GB query that succeeds? E.g. with num_nodes=1, submitted to o
Done


http://gerrit.cloudera.org:8080/#/c/10396/2/tests/custom_cluster/test_admission_controller.py@433
PS2, Line 433:     mem limits of each impalad"""
> Maybe add an extra sentence to explain the concept of the test. e.g. "Start
Done


http://gerrit.cloudera.org:8080/#/c/10396/2/tests/custom_cluster/test_admission_controller.py@434
PS2, Line 434:     # Choose a query that runs on all 3 backends.
> Are all these queries submitted to the first impalad? It's not clear if tha
modified a test to send a query to a different impalad. (check the queuing test)



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Idb72eee790cc17466bbfa82e30f369a65f2b060e
Gerrit-Change-Number: 10396
Gerrit-PatchSet: 2
Gerrit-Owner: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Comment-Date: Thu, 17 May 2018 21:18:08 +0000
Gerrit-HasComments: Yes

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