Stephan Erb created AURORA-1275:
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Summary: Don't delay kill sequence when HTTP teardown signal could
not be dispatched
Key: AURORA-1275
URL: https://issues.apache.org/jira/browse/AURORA-1275
Project: Aurora
Issue Type: Story
Components: Executor, Thermos
Reporter: Stephan Erb
Assignee: Stephan Erb
The Thermos task runner performs a kill escalation sequence by dispatching
calls to the HTTP endpoints /quitquitquit and /abortabortabort before stopping
a task for good. After each of these calls it waits for 5 seconds.
The runner should not perform the waiting when the corresponding shutdown
request could not be dispatched.
Advantages:
* Services which use a health port but don't implement /qqq and /aaa are not
taxed by a total of 10 seconds waiting time for each kill operation
* The whole system is faster to react when services are meant to be restarted
due to failing health checks. Failing health checks often imply an application
is not responding at all, including the endpoints /qqq and /aaa
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