Stig Rohde Døssing created STORM-3355:
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Summary: Make force kill delay for workers follow the supervisor's
SUPERVISOR_WORKER_SHUTDOWN_SLEEP_SECS
Key: STORM-3355
URL: https://issues.apache.org/jira/browse/STORM-3355
Project: Apache Storm
Issue Type: Improvement
Affects Versions: 2.0.0
Reporter: Stig Rohde Døssing
We currently have the supervisor.worker.shutdown.sleep.secs parameter allowing
users to specify how long the supervisor should wait between starting the
initial graceful shutdown of a worker, and sending the followup force kill.
When workers are asked to shut down gracefully, they run a shutdown hook that
allows 1 second of cleanup, before force halting the JVM. I think it would be
good to make the delay between starting the shutdown hook and halting the JVM
follow the same config as in the supervisor.
I don't see why it is useful to specify the force kill delay in the supervisor,
if the worker just suicides after one second anyway. Letting the user configure
how long shutdown is allowed to take lets them make use of the bolt's cleanup
method for cleaning up resources in non-crash scenarios.
Use case here
https://stackoverflow.com/questions/55024919/resource-clean-up-after-killing-storm-topology
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