Post

I'm excited about the database performance io_uring will unlock. Last year I benchmarked Postgres 17 vs 18 to test the initial io_uring upgrades. I was surprised to see they weren't always a clear win for TPC-C. This paper studies the potential, and the future looks good.

8/1/26, 2:15 pm1 repost6 likes

Ben

@benjdd.com

8 Jan

TLDR: io_uring won't help much if treated as a drop-in replacement for existing database I/O architectures. Better performance will often require architectural changes. When applied, there's tons of performance gains to be had. Here's the paper: arxiv.org/pdf/2512.04859

arxiv.orgarxiv.org