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Postgres FM· Folge 166

max_connections vs migrations

Freitag, 5. Dezember 2025 · 45 min

MP3

Shownotes

Nik and Michael discuss max_connections, especially in the context of increasing it to solve problems like migrations intermittently failing(!)

Here are some links to things they mentioned:
• max_connections postgresql.org/docs/current/runtime-config-con…
• Tweet about deployments vs connections issue x.com/brankopetric00/status/1991394329886077090
• Nik tweet in response x.com/samokhvalov/status/1991465573684027443
• Analyzing the Limits of Connection Scalability in Postgres (blog post by Andres Freund) citusdata.com/blog/2020/10/08/analyzing-connec…
• Exponential Backoff And Jitter (blog post by Marc Brooker) aws.amazon.com/blogs/architecture/exponential-…

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What did you like or not like? What should we discuss next time? Let us know via a YouTube comment, on social media, (postgres.fm/people) or by commenting on our Google doc (docs.google.com/document/d/1PNGSn_d0A7gTR4C0p6…)!

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Postgres FM is produced by:
• Michael Christofides, founder of pgMustard (pgmustard.com)
• Nikolay Samokhvalov, founder of Postgres.ai (postgres.ai)

With credit to:
• Jessie Draws for the elephant artwork

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