Re: [Qemu-devel] linux guests and ksm performance

2012-02-23 Thread Javier Guerra Giraldez
On Thu, Feb 23, 2012 at 11:42 AM, Stefan Hajnoczi wrote: > The other approach is a memory page "discard" mechanism - which > obviously requires more code changes than zeroing freed pages. > > The advantage is that we don't take the brute-force and CPU intensive > approach of zeroing pages.  It wou

Re: [Qemu-devel] [GSoC 2010] Pass-through filesystem support.

2010-04-10 Thread Javier Guerra Giraldez
On Sat, Apr 10, 2010 at 7:42 AM, Mohammed Gamal wrote: > On Sat, Apr 10, 2010 at 2:12 PM, Jamie Lokier wrote: >> To throw a spanner in, the most widely supported filesystem across >> operating systems is probably NFS, version 2 :-) > > Remember that Windows usage on a VM is not some rare use case

Re: [Qemu-devel] [GSoC 2010] Pass-through filesystem support.

2010-04-09 Thread Javier Guerra Giraldez
On Fri, Apr 9, 2010 at 5:17 PM, Mohammed Gamal wrote: > That's all good and well. The question now is which direction would > the community prefer to go. Would everyone be just happy with > virtio-9p passthrough? Would it support multiple OSs (Windows comes to > mind here)? Or would we eventually

Re: [Qemu-devel] [ANNOUNCE] Sheepdog: Distributed Storage System for KVM

2009-10-23 Thread Javier Guerra
On Fri, Oct 23, 2009 at 2:39 PM, MORITA Kazutaka wrote: > Thanks for many comments. > > Sheepdog git trees are created. great! is there any client (no matter how crude) besides the patched KVM/Qemu? it would make it far easier to hack around... -- Javier

Re: [Qemu-devel] Re: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM

2009-10-23 Thread Javier Guerra
On Fri, Oct 23, 2009 at 9:58 AM, Chris Webb wrote: > If the chunks into which the virtual drives are split are quite small (say > the 64MB used by Hadoop), LVM may be a less appropriate choice. It doesn't > support very large numbers of very small logical volumes very well. absolutely. the 'nice

[Qemu-devel] Re: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM

2009-10-23 Thread Javier Guerra
On Fri, Oct 23, 2009 at 5:41 AM, MORITA Kazutaka wrote: > On Fri, Oct 23, 2009 at 12:30 AM, Avi Kivity wrote: >> If so, is it reasonable to compare this to a cluster file system setup (like >> GFS) with images as files on this filesystem?  The difference would be that >> clustering is implemented

[Qemu-devel] Re: [kvm-devel] [PATCH] e1000 emulation code

2008-01-09 Thread Javier Guerra Giraldez
On Wednesday 09 January 2008, Dor Laor wrote: > Some figures: Linux rx 350Mbps, tx 150bps, Windows rx 700mbps, tx 100 mbps. very nice! in a related note, the VMWare tools package, which is supposed to 'enhance performance' by installing 'specially tuned' drivers into a guest, doesn't include ne