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44 sats \ 8 replies \ @k00b 27 Apr 2022 \ on: Daily discussion thread
Site is feeling really sluggish again. Fires, fires everywhere.
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You can use markdown to insert gifs 😉
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Denormalization :)
At bigger scales the main option becomes key-value pairs...
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DB queries are still fast. Nothing logs more than 30 ms.
I suspect the issue is my GraphQL resolvers. I need to create slow logs to really figure it out but the way these things are written, I suspect a simple page rendering might require do 100 requests (and incur 100 RTTs) to the DB, which for even modest queries will accumulate into seconds fast.
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Yea, hard to armchair debug from here, but I wish I could help :D More logging of timestamps will help...
I see most ajax requests taking over a second. I'm guessing you have a really high qps on the graphql endpoint? It could be memory/cpu bound too?
I had a weird behavior after cleaning cache in Chrome and cold loading stacker.news, then it took 30+ seconds to open the homepage. Not sure what it was stuck on, but the (mainly js files) requests are either "stalled" or "queued".
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Lots of memory and CPU available is the weird part ... Must be IO bound somehow.
You're right though, if I had some decent tracing I could probably figure out what the problem is pretty fast. Working on this now actually.
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Also remove the "sleep_for_one_second()" type of function, that usually helps :-D
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