(CC'ing Jens directly in case he missed the previous messages) On Mon, 6 Sept 2021 at 15:28, Hans-Peter Lehmann <hans-peter.lehmann@xxxxxxx> wrote: > > Hi Jens, > > not sure if you have read the emails in this thread - now trying to address you directly. Both Erwan and me are unable to reproduce your single-threaded IOPS measurements - we don't even get close to your numbers. The bottle-neck seems to be the CPU, not the SSDs. Did you use some special configuration for your benchmarks? > > Best regards > Hans-Peter > > (I have also reproduced the behavior with an Intel processor now - the single-threaded throughput is also capped at around 580k IOPS, even though the SSDs can handle more than that when using multiple threads) -- Sitsofe