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Running with --nodaemon and PID files #3012

tardyp opened this Issue Mar 9, 2017 · 1 comment


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tardyp commented Mar 9, 2017

This ticket is a migrated Trac ticket 3608

People contributed to the original ticket: @unknown_contributor
Ticket created on: Sep 12 2016
Ticket last modified on: Sep 12 2016

Both the master and the worker still use PID files while running with --nodaemon. I've had issues with workers running with --nodaemon not starting because of an old, stale PID file, corresponding to an actual process belonging to another user.

This can be thought to be inconsistent, and harms the writing ofreally simple non forking configuration files to manage the process through an external service manager (systemd, supervisord etc.).

It seems that the cousin twistd executable has a --pidfile argument, that can be used to mean "no pid file". This is explained notably in

We could expose that, or we could decide that --nodaemon implies no pid file.

I believe this is true in Eight and Nine, and that a fix could be easily backported
(marking this as minor, because it's easy to circumvent by putting appropriate rms in unit files or other confs)


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tardyp Sep 16, 2017


fixed by #3606


tardyp commented Sep 16, 2017

fixed by #3606

@tardyp tardyp closed this in #3623 Sep 18, 2017

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