This one is a little boring in that it’s not a new bug, but tracking it down was still real exciting. A while back, Stripe started experiencing some serious intermittent sadness with our internal DNS servers. DNS queries would time out or fail to return, and our DNS servers would periodically OOM kill, despite no application appearing to use much memory. This incident was during the era of our consul battles, so we suspected consul, but were unable to prove its complicity in any way. Finall...
