Open Stack

On 2020-04-23 14:53:45 +0200 (+0200), Thierry Carrez wrote:
[...]
> reply: retcode (451); Msg: b'Temporary local problem - please try later'
[...]

We've been witnessing occasional flurries of OOM events on the
lists.openstack.org server, and this temporary delivery failure
coincided with when one was happening so is almost certainly
related. Whether it's a cause or an effect is unknown as we've been
so far unable to track down what's actually triggering these sudden
spikes in memory utilization, though given the volume of messages
the server is handling on a constant basis I have serious doubts
release activity is the problem. I suspect these release
announcements just had unlucky timing.

Normally this wouldn't cause a permanent delivery failure, but the
release announcements job doesn't retry delivery on temporary
failures. This is something which might be worth looking into adding
if a better delivery guarantee is desired.
-- 
Jeremy Stanley
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