On 2/26/20 2:32 PM, Elliott Balsley wrote: > When I do a sequential read test with multiple threads, the initial > write only uses one thread. Is there some way to adjust this? For > example a command like this: > > fio --name moe --rw read --directory /mnt/nv01/fio/local --size 40G > --bs 4M --numjobs 4 --group_reporting --direct 1 > > It lays out four files one at a time, then it reads them all back at > once. I would like to lay out the four files simultaneously to save > time. I hope this makes sense; I'm not sure if I'm phrasing this in > the right way. create_serialize=false would do that. It defaults to sequentially since otherwise the fs layout tends to suffer. -- Jens Axboe
