Re: [Xen-devel] design philosophy of blktap

2015-07-27 Thread Felipe Franciosi
> -Original Message- > From: dunl...@gmail.com [mailto:dunl...@gmail.com] On Behalf Of George > Dunlap > Sent: 20 July 2015 10:53 > To: Xuehan Xu; Felipe Franciosi > Cc: xen-devel@lists.xen.org > Subject: Re: [Xen-devel] design philosophy of blktap > > On M

Re: [Xen-devel] design philosophy of blktap

2015-07-20 Thread George Dunlap
On Mon, Jul 20, 2015 at 6:01 AM, Xuehan Xu wrote: > Hi, everyone. > > I don't quite follow the design philosophy of blktap. Since every virtual > disk is backed by a tapdisk process, when there are hundreds of domU running > and doing I/O operation simultaneously, which means that hundreds of tapd

[Xen-devel] design philosophy of blktap

2015-07-19 Thread Xuehan Xu
Hi, everyone. I don't quite follow the design philosophy of blktap. Since every virtual disk is backed by a tapdisk process, when there are hundreds of domU running and doing I/O operation simultaneously, which means that hundreds of tapdisk process are doing I/O read/write simulataneously in dom0