this post was submitted on 06 Jul 2023
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Lemdroid

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I'm sure you all have noticed the latency problems on this instance. Stage 1 of my 4 stage scaling roadmap is taking place tonight as I migrate the database to physically run closer to the machines running lemmy.

I will do a more detailed write-up on this later, but the gist is that each db operation required a new connection from lemmy, and that means a brand new SSL handshake since the db is managed elsewhere. Pooling would solve this, but lemmy does not handle a properly configured pg bouncer correctly in my testing. So the solution is move the database closer and within the private network to avoid SSL handshakes altogether.

TL;DR instance gonna go brrrr, downtime starting at 10:30pm pacific time tonight, should be done by 11:30pm

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[–] [email protected] 3 points 1 year ago

Thanks for the heads-up.