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https://issues.apache.org/jira/browse/IMPALA-10148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17234057#comment-17234057
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Joe McDonnell commented on IMPALA-10148:
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Sketch of how to fix this:
 # Take the core cleanup logic from tests/authorization/test_provider.py 
([https://gerrit.cloudera.org/#/c/14640/8/tests/authorization/test_provider.py)]
 and push it down into CustomClusterTestSuite. Have CustomClusterTestSuite take 
an argument in the constructor like "expect_cores" that defaults to False. If 
True, do the core detection/cleanup logic
 # Convert tests/authorization/test_provider.py to use it
 # Convert tests/custom_cluster/test_query_event_hooks.py to use it
 # Verify that an exhaustive job does not generate a core

> test_query_event_hooks.py's TestHooksStartupFail generates a core dump
> ----------------------------------------------------------------------
>
>                 Key: IMPALA-10148
>                 URL: https://issues.apache.org/jira/browse/IMPALA-10148
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Infrastructure
>    Affects Versions: Impala 4.0
>            Reporter: Joe McDonnell
>            Priority: Critical
>              Labels: flaky, ramp-up
>
> TestHooksStartupFail tests configurations that cause Impala to fail to start 
> up, which generates core dumps. These core dumps need to be cleaned up at the 
> end of the test, as they are expected to exist and don't indicate any actual 
> problem.



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