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init: restart celery workers on 'reload' (fixes #2904)

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Sending HUP to the parent of a family of celery workers causes the
parent to re-exec itself, spawning a new set of child workers without
terminating the old ones.

So instead we send TERM to the parent on 'reload', which cleans up the
children, and rely on systemd/upstart to respawn the whole family.
This commit is contained in:
Will Thompson 2016-03-16 15:55:05 +00:00 • committed by j
commit 7554b0c105
4 changed files with 4 additions and 2 deletions
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1
etc/init/pandora-encoding.conf
View file

@ -7,6 +7,7 @@ start on runlevel [2345]
stop on runlevel [!2345]
respawn
reload signal TERM
env VENV=/srv/pandora
env USER=pandora

1
etc/init/pandora-tasks.conf
View file

@ -7,6 +7,7 @@ start on runlevel [2345]
stop on runlevel [!2345]
respawn
reload signal TERM
env VENV=/srv/pandora
env USER=pandora