What is the correct way to reduce the number of workers on a supervisor
without impacting the system? If it must impact the system, then fine, but
then still how is it done? My node is running out of resources.

I was thinking you can stop the supervisor process.  Then kill the running
topologies.  Change the storm.yaml to reduce the number of ports (workers).
Then restart the supervisor.

Is there major interruption to topologies?

Thank you for any ideas.

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