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Postgres LISTEN/NOTIFY does not scale

(www.recall.ai)
570 points davidgu | 3 comments | 07 Jul 25 14:05 UTC | HN request time: 0.692s | source
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randall ◴[10 Jul 25 21:43 UTC] No.44525948[source]▶
wow thanks for the heads up! no idea this was a thing.
replies(1): >>44526283 #
1. wordofx ◴[10 Jul 25 22:15 UTC] No.44526283[source]▶
It’s not a thing.
replies(1): >>44527522 #
2. randall ◴[11 Jul 25 01:22 UTC] No.44527522[source]▶
i don’t understand. is the serialized write global lock a thing or no?
replies(1): >>44549203 #
3. wordofx ◴[13 Jul 25 10:34 UTC] No.44549203[source]▶
If you’re going to use a tool. Make an attempt to use it properly. If you do dumb things. Dumb things will happen. Example. This blog post. This is not a problem for everyone using LISTEN/NOTIFY. It’s a problem with not knowing how to use it, then spreading bad info.