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

· Smalldatum Blogspot · June 17, 2026, 1:49 a.m.
Summary
This blog post evaluates the performance of Postgres 19 beta1 in comparison to previous versions and MySQL 8.4.8, particularly focusing on insertion benchmarks and CPU efficiency. Key highlights include significant improvements in write-heavy operations and faster index creation in Postgres 19 beta1, along with findings that MySQL outperforms Postgres in specific operations due to CPU overhead issues. The author provides detailed configuration and benchmarking methodologies to support their observations.
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