On Wed, Aug 04, 2010 at 03:23:09AM +0000, Hank Janssen wrote: > > >>And than Greg KH spoke these words: > >>On Tue, Aug 03, 2010 at 05:31:55PM +0000, Hank Janssen wrote: > > >From: Hank Janssen <hjanssen@xxxxxxxxxxxxx> > > > > > >Increased storvsc ringbuffer and max_io_requests. This now more > > >closely mimics the numbers on Hyper-V. > > > >What do you mean by this? The max provided by the hypervisor? > > Max_IO is set to double from what it was before, Hyper-V allows it and > We have had appliance builder requests to see if it was a problem to increase > The number. > > Ringbuffer size for storvsc is now increased because I have seen > A few buffer problems on extremely busy systems. They where > Set pretty low before. And since max_io_requests is increased I > Really needed to increase the buffer as well. > > >> And will allow more IO requests to take place for the SCSI driver. > > > >Which means what, better throughput? Or just more outstanding requests and the same speed overall? > > It means better throughput of high load systems, else you get buffer > Contention. All good, care to included this in the changelog comment when you resend this whole series? thanks, greg k-h _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
