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Posted to issues@impala.apache.org by "Tianyi Wang (JIRA)" <ji...@apache.org> on 2018/04/13 20:38:00 UTC
[jira] [Created] (IMPALA-6851) custom cluster test
TestGrantRevoke::test_role_update doesn't clean up restarted impala daemons
correctly
Tianyi Wang created IMPALA-6851:
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Summary: custom cluster test TestGrantRevoke::test_role_update doesn't clean up restarted impala daemons correctly
Key: IMPALA-6851
URL: https://issues.apache.org/jira/browse/IMPALA-6851
Project: IMPALA
Issue Type: Bug
Components: Infrastructure
Affects Versions: Impala 2.12.0
Reporter: Tianyi Wang
Assignee: Tianyi Wang
Fix For: Impala 3.0
In TestGrantRevoke::test_role_update, one of the impala daemons is restarted. When the test finishes, it doesn't kill or wait for the restarted process. There are several problems of not doing so:
- When another custom cluster test attempts to kill the impala daemon, the impala daemon will become a zombie process. The PID won't go away until the py tests process exits. start-impala-cluster.py doesn't handle this case correctly and will time out. Fortunately, test_role_update is always the last test in custom cluster tests, so it doesn't break builds for now.
- It leaks PID and process information in the kernel as long as the py test process is running.
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