[Bug 1153077] Re: rabbitmq queue fills up and celery stops executing tasks when upload_dhcp_leases is done every minute (by default)

[Erick Turnquist]

I think I'm seeing the same issue. I have a celeryd process that appears
to be stuck in a loop and a queue in the vhost /maas_workers named
c1d352af-8060-4bf4-b820-f468b22a97fb. One thing that stands out to me is
that the queue has 4 unacknowledged messages at all times. New ones seem
to come in and get acked, but the 4 remain.

Here are a couple example messages. The content-type is application/x
-python-serialize

(dp1
S'retries'
p2
I0
sS'task'
p3
S'provisioningserver.tasks.upload_dhcp_leases'
p4
sS'kwargs'
p5
(dp6
sS'eta'
p7
NsS'args'
p8
(lp9
sS'id'
p10
S'ac7c0755-43ab-40b8-bc39-5315236a3639'
p11
sS'expires'
p12
NsS'utc'
p13
I00
s.


------


(dp1
S'retries'
p2
I0
sS'task'
p3
S'provisioningserver.tasks.report_boot_images'
p4
sS'kwargs'
p5
(dp6
sS'eta'
p7
NsS'args'
p8
(lp9
sS'id'
p10
S'd5447c64-8317-4d13-a5ce-d1c818c2efc0'
p11
sS'expires'
p12
NsS'utc'
p13
I00
s.

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https://bugs.launchpad.net/bugs/1153077

Title:
  rabbitmq queue fills up and celery stops executing tasks when
  upload_dhcp_leases is done every minute (by default)

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