Getting a lot of these lately. Server overload?
Servers are actually in a pretty excellent state, memory and cpu is totally fine. We are hunting down a bug that is causing this and should have it resolved soon.
Its my #1 #2 and #3 priority 
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Discourse’s answer:
Sorry about that – we’re struggling with a new memory leak in our postgres database driver (the pg gem) and we’re downgrading to a previous version.