ping a-team when you do it on Friday, Jaime, one of us will be there.
On Wed, Dec 7, 2016 at 1:28 PM, Andrew Otto <otto(a)wikimedia.org> wrote:
We’ll need to stop the eventlogging-consumer-mysql
process on eventlog1001
while the master restart happens. I’m not working this Friday, but anyone
on the Analytics team can do this.
On Wed, Dec 7, 2016 at 1:27 PM, Jaime Crespo <jcrespo(a)wikimedia.org>
wrote:
Hi,
I would like to do a quick maintenance on the eventlogging mysql servers
for security and certificates upgrades. This means that queries done sent
there will not be temporarily available. I mentioned the need for
maintenance to several members of Analytics team some time ago, and would
like to coordinate the stop of the eventlogging schema inserts and the
queries sent there (I know not only analytics, but research, mobile and
more use those databases).
Only a mere rolling restart of the database servers is needed this time,
which should not cause more than 20 minutes of unavailability and will be
done on each server alternatively.
Probably this Friday is a good moment to do it, before we enter the
deployment freeze window announced by release engineering, but I would like
to confirm this with you and have someone from Analytics available, in case
something goes wrong.
--
Jaime Crespo
<http://wikimedia.org>
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