On Fri 26 May 2017 03:32:49 PM CEST, Anton Nefedov wrote: >>> [root@localhost ~]# fio --name=randwrite --blocksize=4k >>> --filename=/dev/sdb --rw=randwrite --direct=1 --ioengine=libaio >>> --size=2g --io_size=32m >> >> In my tests I sometimes detected slight performance decreases in that >> HDD scenario but using 'write' instead of 'randwrite' (and --runtime=60 >> instead of --io_size). >> >> Can you try and see how that works for you? > > For me it keeps giving pretty much the same result before and after > > write: io=512736KB, bw=8545.4KB/s, iops=2136, runt= 60004msec
Ok, that's the expected behavior. Good! Berto
