On 9/11/24 03:01, Anatoly Belanovsky wrote: > Hello, > > I would like to stress my SSD and RAM with fio and I use command > > fio --direct=1 --rw=randrw --rwmixread=90 --rwmixwrite=10 --bs=4k > --ioengine=libaio --iodepth=256 --numjobs=2 --time_based > --group_reporting --eta-newline=1 --runtime 12h --name=job1 > --new_group --filename=/dev/nvme0n1 > > I noticed that while I am stressing it with fio the power consumption > of RAM is much less than if I use other stress utilities like intel > ptat or y-cruncher. > > How I can run fio to use full power capacity of RAM? I tried to > increase numjobs but it didn't help. Remove direct=1. That will add lots of memory copies. But then you may not see the real speed of your drive due to this added overhead. -- Damien Le Moal Western Digital Research