The insert benchmark on a small server, IO-bound workload : Postgres 19 beta1

This has results for Postgres versions 19 beta1, 18.4 and 17.10 with the Insert Benchmark on a small server using a cached and CPU-bound workload. I also used MySQL 8.4.8 to see where performance was different. Postgres continues to be boring in a good way. It is hard to find performance regressions. tl;dr create index (the l.x step) is faster in Postgres 19beta1. A Postgres expert told me that…