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Introduction

When using AWS RDS Proxy, the goal is to achieve connection multiplexing – many client connections share a much smaller pool of backend PostgreSQL connections, givng more resources per connection and keeping query execution running smoothly.

However, if the proxy detects that a session has changed internal state in a way it cannot safely track, it pins the client connection to a specific backend connection. Once pinned, that connection can never be multiplexed again. This was the case with a recent database I worked on.

I’m back from Pasadena after SCaLE23x and another installment of PostgreSQL@SCaLE! It was really just wonderful this year, seeing old friends and making new ones, talking to people and soaking up knowledge. I’m looking forward to implementing what I learned. Expo Hall:We had a lot of booth volunteers this year. Thank you all so much; […]