[Labs-l] [Labs-announce] Possible DNS hiccups today

[Andrew Bogott]

Hello!

I'm going to be rearranging our DNS infrastructure[1] a bit today. I 
don't expect any service interruptions but when I flip things over from 
the primary to the secondary recursor some instances[2] may encounter a 
5-second timeout which could cause some alerts to fire.

I'll send an all-clear message when everything is done moving around.



[1] https://phabricator.wikimedia.org/T106303
[2] Specifically, instances with self-hosted puppet. In theory all 
properly puppetized hosts will be notified of the change beforehand.

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