On Fri, Jan 20, 2012 at 05:03:35PM +0000, Joe Thornber wrote: > For me, the first run of aio_stress manages a throughput of ~9G/s. > After the wipe, which is just a simple dd across the device, > performance drops to ~5.5 G/s. Also throughput on the device under > the linear target also drops. Permanently. > > I don't know if this is specific to aio, or a more general slowdown. It's just me being stupid. For the initial pass the ramdisk has no memory backing it and is just returning zeroes. Back to testing ... - Joe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
