mozilla/treeherder-service — pull request #175 by maurodoglio (2014-07-08 14:57:07+00:00)
Title: Celery warm shutdown

This patch should solve the celery zombies generation everytime we push new code to production.
It makes use of the celery control api to broadcast a warm shutdown message to all the workers.
I tried it on stage and the event is caught by both the local and the remote workers.