The best part about writing is that you get to learn new and exciting ways you were wrong. Databases are smarter than I thought!

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The post discusses misconceptions about database performance with arrays and clarifies how PostgreSQL handles wide table rows using TOAST records and tombstones. It emphasizes the importance of measuring performance based on specific data access patterns, noting that modern SSDs make data packing less critical.

I was wrong about databases

Software Engineering Lessons from Production

I’m glad you’re now right about databases

I had no idea about TOAST records. Really interesting

The point is: why the hell would you say anything about things you clearly don’t know nothing about???

wait, is that a young linus torvlads?
is this a time-series travelling database?