Riza Suminto has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/21813


Change subject: IMPALA-12937: Deflake test_admission_controller.py
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IMPALA-12937: Deflake test_admission_controller.py

test_mem_limit in test_admission_controller.py has been flaky,
especially in ARM environment. From the test logs, some queries are
canceled early, presumably due to client being idle.

This patch attempt to fix the flakiness by fetching one rows every
FETCH_INTERVAL, regardless of the ending behavior. Added and moved logs
around to help triaging if the issue surface again. Also addressed some
flake2 errors.

Testing:
- Loop the whole test_admission_controller.py 10 times in exhaustive
  mode. No flakiness observed after patch.

Change-Id: I9cf2bddcbfcd63d3a6bbc0a2014774a910f6e730
---
M tests/custom_cluster/test_admission_controller.py
1 file changed, 46 insertions(+), 26 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/13/21813/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I9cf2bddcbfcd63d3a6bbc0a2014774a910f6e730
Gerrit-Change-Number: 21813
Gerrit-PatchSet: 1
Gerrit-Owner: Riza Suminto <riza.sumi...@cloudera.com>

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