Always a fun time to bring up my favorite writeups in database benchmarking:
https://questdb.com/blog/lies-damn-lies-and-database-benchma...
There’s also an excellent paper called “Fair Benchmarking Considered Difficult: Common Pitfalls In Database Performance Testing”.
Benchmarks are genuinely hard. Modern systems and hardware are notoriously complex and have different behaviors across runs and with minor tweaks to performance settings.