On Thu, Apr 22, 2021 at 09:45:15PM +0200, Luca Ferrari wrote: > Hi all, > I'm unable to find (apparently) a way to find out a possible value to > start with for effective_io_concurrency. > I suspect that benchmarking, e.g., using bonnie++ or sysbench and > testing with different values of concurrency could help to determine > the max number of concurrent request, (tps, lower latency, ecc.). > Is thjs correct or is there another suggested way? I recommend 256 for SSDs or other RAM-like fsync systems, and maybe maybe 16 for magnetic. -- Bruce Momjian <bruce@xxxxxxxxxx> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.
