> -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
> -Original Message-
> From: George Dunlap [mailto:george.dun...@eu.citrix.com]
> Sent: 26 March 2015 17:23
> To: Andrew Cooper; Felipe Franciosi; George Dunlap; Jonathan Ludlam
> Cc: Dave Scott; Wei Liu; Ian Campbell; Wen Congyang; xen-devel@lists.xen.org;
> Ian Jack
> -Original Message-
> From: xen-devel-boun...@lists.xen.org [mailto:xen-devel-
> boun...@lists.xen.org] On Behalf Of George Dunlap
> Sent: 26 March 2015 16:09
> To: Jonathan Ludlam
> Cc: Wei Liu; Dave Scott; Wen Congyang; Jonathan Ludlam; xen-
> de...@lists.xen.org; Ian Jackson; Yang Hongy
Hi Bob,
> -Original Message-
> From: Bob Liu [mailto:bob@oracle.com]
> Sent: 17 March 2015 07:00
> To: Felipe Franciosi
> Cc: Konrad Rzeszutek Wilk; Roger Pau Monne; David Vrabel; xen-
> de...@lists.xen.org; linux-ker...@vger.kernel.org; ax...@fb.com;
&g
> -Original Message-
> From: Bob Liu [mailto:bob@oracle.com]
> Sent: 05 March 2015 00:47
> To: Konrad Rzeszutek Wilk
> Cc: Roger Pau Monne; Felipe Franciosi; David Vrabel; xen-devel@lists.xen.org;
> linux-ker...@vger.kernel.org; ax...@fb.com; h...@infradead.or
Hi Charles,
It's good to see that someone else is tackling this problem. We have a similar
problem in XenServer; tapdisk3 is a user space backend (just like qemu-qdisk)
and therefore libxenstat is unable to pick up any statistics from it. In that
way, "xentop" also doesn't display any stats for
> -Original Message-
> From: David Vrabel
> Sent: 19 February 2015 11:15
> To: Roger Pau Monne; Bob Liu; Felipe Franciosi
> Cc: 'Konrad Rzeszutek Wilk'; xen-devel@lists.xen.org; linux-
> ker...@vger.kernel.org; ax...@fb.com; h...@infradead.org;
> avanzini.
> -Original Message-
> From: Bob Liu [mailto:bob@oracle.com]
> Sent: 15 February 2015 08:19
> To: xen-devel@lists.xen.org
> Cc: David Vrabel; linux-ker...@vger.kernel.org; Roger Pau Monne;
> konrad.w...@oracle.com; Felipe Franciosi; ax...@fb.com; h...@infradead.or
> -Original Message-
> From: Konrad Rzeszutek Wilk [mailto:konrad.w...@oracle.com]
> Sent: 18 February 2015 17:38
> To: Roger Pau Monne
> Cc: Bob Liu; xen-devel@lists.xen.org; David Vrabel; linux-
> ker...@vger.kernel.org; Felipe Franciosi; ax...@fb.com; h...@infradead.or
Hi Bob,
Can you elaborate on the environment where you measured such an improvement?
I'm particularly interested in:
What workload were you issuing? (e.g. 4K seq reads?)
What backend were you using? (e.g. null driver? what parameters? some specific
disk/array?)
What was the host configuration fo
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