Then io_uring AIO mode underperformance is even more curious. | Hacker News

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		nopurpose 4 months ago \| parent \| context \| favorite \| on: Benchmarking Postgres 17 vs. 18 Then io_uring AIO mode underperformance is even more curious.

anarazel 4 months ago [–]

It is. I tried to repro it without success.

I wonder if it's just being executed on a different VMs with slightly different performance characteristics. I can't tell based on the formulation in the post whether all the runs for one test are executed on the same VM or not.

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