Re: severe regression with random I/O from (at least) 4.14?

> Il giorno 21 dic 2017, alle ore 11:57, Paolo Valente > ha scritto: > > Hi, > a few minutes ago I bumped into this apparent severe regression, with > 4.15-rc4 and an SSD PLEXTOR PX-256M5S. If, with none as I/O scheduler, I do > fio --name=global --rw=randread --size=512m --name=job1 > > I g

severe regression with random I/O from (at least) 4.14?

Hi, a few minutes ago I bumped into this apparent severe regression, with 4.15-rc4 and an SSD PLEXTOR PX-256M5S. If, with none as I/O scheduler, I do fio --name=global --rw=randread --size=512m --name=job1 I get read : io=524288KB, bw=34402KB/s, iops=8600, runt= 15240msec This device had to reac