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@@ services/deploy/queue.py @@
  def drain(self, worker):
-     for job in self.pending:
-         worker.run(job)
+     for job in self.pending.order_by("priority"):
+         with worker.lease(job):
+             worker.run(job)

Leasing the job before it runs fixes the double-execute we saw on Tuesday. Reviewed.
Mara Ito, 14:02

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Mara Ito, engineering lead, Ferryline