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Seriously, what's up with big sites literally dying as we speak? (lemmy.ml)

submitted 2 years ago by [email protected] to c/[email protected]

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First all the bs with Twitter and Elon, then Reddit having an exodus to Lemmy (not complaining lol), then Twitch. Are we like, in an alternate self healing dimension or something?

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[–] [email protected] 1 points 2 years ago (1 children)

The issue I saw was with answering user requests for content—which post do you want to see, which community was it posted to, which comments are on that post, who wrote them, what are their vote scores, and so on. Nothing to do with decentralization. Reddit would have had the same problem, and judging from early Reddit's performance and reliability woes, it probably did have the same problem.

[–] [email protected] 1 points 2 years ago (1 children)

That's just bad engineering tbh.

[–] [email protected] 1 points 2 years ago (1 children)

Nobody's born knowing how to optimize database queries. Optimization is hard and arcane, and SQL is no exception.

[–] [email protected] 1 points 2 years ago (1 children)

I didn't look into this but this looks way more complicated than it should be. The query in the issue looks absolutely ridiculous tbh.

[–] [email protected] 1 points 2 years ago

I think it's just the lack of line breaks. The first query, once you unroll it, looks like what you need to fetch and display a list of posts. I don't see anything extraneous in there.