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https://issues.apache.org/jira/browse/IMPALA-9884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17244283#comment-17244283
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Tim Armstrong commented on IMPALA-9884:
---------------------------------------
I tried just making the query run longer but ran into some different issues:
{noformat}
============================================ FAILURES
=============================================
TestAdmissionControllerStress.test_mem_limit[num_queries: 30 | protocol:
beeswax | table_format: t
ext/none | exec_option: {'batch_size': 0, 'num_nodes': 0,
'disable_codegen_rows_threshold': 5000, '
disable_codegen': False, 'abort_on_error': 1,
'exec_single_node_rows_threshold': 0} | submission_de
lay_ms: 150 | round_robin_submission: True]
tests/custom_cluster/test_admission_controller.py:1865: in test_mem_limit
{'request_pool': self.pool_name, 'mem_limit': query_mem_limit})
tests/custom_cluster/test_admission_controller.py:1752: in run_admission_test
self.end_admitted_queries(num_to_end)
tests/custom_cluster/test_admission_controller.py:1531: in end_admitted_queries
assert (time() - start_time < STRESS_TIMEOUT),\
E AssertionError: Timed out waiting 120 seconds for query end
E assert (1607109115.855676 - 1607108995.685362) < 120
E + where 1607109115.855676 = time()
{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: Critical
> Labels: broken-build, flaky
> Attachments: impalad-executors.tar.gz,
> impalad.impala-ec2-centos74-m5-4xlarge-ondemand-1925.vpc.cloudera.com.jenkins.log.INFO.20201017-011116.23933.gz
>
>
> 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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