Ming Zhang wrote:
as Ross pointed out, many io pattern only have 1 outstanding io at any time, so there is only one work thread actively to serve it. so it can not exploit the multiple core here. you see 100% at nullio or fileio? with disk, most time should spend on iowait and cpu utilization should not high at all.
With both nullio and fileio... - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
