Supervisord process control - stopping a single subprocess

Question

We're using Supervisord to run workers started by our Gearman job server. To remove a job from the queue, we have to run :

$ sudo killall supervisord

as to kill all Supervisord subprocesses so the job doesn't spawn when removed, then

$ gearman -n -w -f FUNCTION_NAME > /dev/null

to remove the job completley from the server.

Is there a way to kill only one Supervisord subprocess instead of using killall? For instance, if we have multiple jobs running and a single job is running longer than it should, or starts throwing errors, how can we kill the subprocess and remove the job from the server without killing all subprocesses?

Answer 1

Yes: Use supervisorctl to interact with supervisord. If you need to do so programmatically, there's a web service interface.