Show HN: PostgreSQL performance and cost across 23 EC2 instance types

Size a PostgreSQL server on AWS: choose your dataset size and target throughput to find the cheapest EC2 instance that clears it — backed by real benchmarks of 26 instance types across 8 families.

97 points by anivan_ 107 days ago postgres.saneengineer.com 20 comments

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Hey! I'm Andrei.

I got frustrated by how people tend to build overcomplicated backend systems, being "motivated" by big tech case studies and popular books.

So, I started exploring lean architecture, and building my digital garden of ideas, approaches and data that align with this direction.

Here I want to present one of the tools – Sizing tool for PostgreSQL. I've benchmarked PostgreSQL on different EC2 instances and disks, with different initial data sets to see performance that these instances can give you. And I've built a tool to visualize this data, which I welcome you to explore.

So, you can put your usual input parameters, like needed RPS and disk size as input, and find out which instance will be the most cost-efficient for your needs.

You can read about the methodology here: https://postgres.saneengineer.com/about

I've tested one workload – mixed 90/10 read/write, and only selected configurations. But it is extensible, and I (and you – benchmark is open source: https://github.com/anivaniuk/sanebench) can run more configurations to have more data represented.

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