Joe McDonnell created IMPALA-15734:
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Summary: Shutdown the JVM before exiting from the unified backend
test main()
Key: IMPALA-15734
URL: https://issues.apache.org/jira/browse/IMPALA-15734
Project: IMPALA
Issue Type: Task
Components: Backend
Affects Versions: Impala 5.1.0
Reporter: Joe McDonnell
We currently don't do any explicit teardown of the JVM. Since we usually kill
the server daemons rather than doing a clean exit, this doesn't show up as a
problem there. However, backend tests do a normal exit. Since we aren't
shutting down the JVM, JVM threads are still running and potentially allocating
memory as the process exits. This has been producing flakiness with Google
TCMalloc during backend test teardown. We should explicitly shut down the JVM
before exiting the backend test.
We should also do that more broadly for daemons that exit, but that can be
tracked separately.
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