Ajit Kumar created AMBARI-17776:
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Summary: HiveServer interactive stop should wait for 30 second
before sending kill -9
Key: AMBARI-17776
URL: https://issues.apache.org/jira/browse/AMBARI-17776
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.4.0
Reporter: Ajit Kumar
Assignee: Ajit Kumar
Fix For: 2.4.0
Currently when stopping Hive server interactive, the following steps seem to be
taken.
1. Send kill to hive server interactive process
2. Wait for 5 seconds and send kill -9 if process in not killed.
If HS2 is not shutdown properly - long running sessions (AMs) started by it
will not be killed. In case of LLAP - these sessions will typically run for
hours. Without the kill - LLAP cannot be restarted, since the old sessions will
exist in the LLAP queue, and due to the precise capacity calculations - the
queue will not have enough capacity to start new sessions.
Ideally it should wait for 30 second before sending kill -9
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