Homer Li <01jay.ly@xxxxxxxxx> writes: > ext4 write rewrite config: > [global] > rw=write > ioengine=libaio > size=40960m > numjobs=1 > bssplit=128k/20:256k/20:512k/20:1024k/40 > nrfiles=2 > iodepth=128 > zero_buffers > timeout=240 > thread > > [sdb] > directory=/export/data0 When using libaio as the ioengine, you should also specify direct=1, otherwise you won't truly get asynchronous operation. Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
