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https://issues.apache.org/jira/browse/IMPALA-9884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17214042#comment-17214042
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Tim Armstrong commented on IMPALA-9884:
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I looped overnight on a release build without a failure:
{noformat}
while impala-py.test tests/custom_cluster/test_admission
_controller.py::TestAdmissionControllerStress::test_mem_limit
--workload_exploration_strategy=functional-query:exhaustive --maxfail 1; do
date; done
{noformat}
Will trying running stress alongsides to add some more randomness to it:
{noformat}
stress -i 2 -c 2 -m 2
{noformat}
> TestAdmissionControllerStress.test_mem_limit failing occasionally
> -----------------------------------------------------------------
>
> Key: IMPALA-9884
> URL: https://issues.apache.org/jira/browse/IMPALA-9884
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 4.0
> Reporter: Vihang Karajgaonkar
> Assignee: Tim Armstrong
> Priority: Blocker
> Labels: broken-build, flaky
>
> Recently, I saw this test failing with the exception trace below.
> {noformat}
> custom_cluster/test_admission_controller.py:1782: in test_mem_limit
> {'request_pool': self.pool_name, 'mem_limit': query_mem_limit})
> custom_cluster/test_admission_controller.py:1638: in run_admission_test
> assert metric_deltas['dequeued'] == 0,\
> E AssertionError: Queued queries should not run until others are made to
> finish
> E assert 1 == 0
> {noformat}
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