Re: .img on nfs, relative on ram, consuming mass ram

2011-09-19 Thread Rickard Lundin
Hi ! Here's my config : Version : qemu-kvm-0.12.5, qemu-kvm-0.12.4 Hosts : AMD 64X2, Phenom and Core 2 duo OS : Slackware 64 13.0 Kernel : 2.6.35.4 and many previous versions I use a PXE server to boot semi-diskless (swap partitions and some local stuff) stations. This server also

Re: .img on nfs, relative on ram, consuming mass ram

2010-09-20 Thread TOURNIER Frédéric
Heres my benches, done in two days so dates are weird and results are very approximative. What surprises me are in the Part 2, swap occured. In 3 and 4, the ram is eaten up, even if the vm just booted. Part 0 End of boot : bash-3.1$ free total

Re: .img on nfs, relative on ram, consuming mass ram

2010-09-20 Thread Andre Przywara
TOURNIER Frédéric wrote: Heres my benches, done in two days so dates are weird and results are very approximative. What surprises me are in the Part 2, swap occured. I don't know exactly why, but I have seen a small usage of swap occasionally without real memory pressure. So I'd consider this

Re: .img on nfs, relative on ram, consuming mass ram

2010-09-20 Thread TOURNIER Frédéric
On Mon, 20 Sep 2010 16:00:53 +0200 Andre Przywara andre.przyw...@amd.com wrote: TOURNIER Frédéric wrote: Heres my benches, done in two days so dates are weird and results are very approximative. What surprises me are in the Part 2, swap occured. I don't know exactly why, but I have seen

Re: .img on nfs, relative on ram, consuming mass ram

2010-09-16 Thread TOURNIER Frédéric
Ok, thanks for taking time. I'll dig into your answers. So as i run relative.img on diskless systems with original.img on nfs, what are the best practice/tips i can use ? Is ramfs more suitable than tmpfs ? Fred. On Thu, 16 Sep 2010 11:09:49 +0200 Andre Przywara andre.przyw...@amd.com wrote:

Re: .img on nfs, relative on ram, consuming mass ram

2010-09-16 Thread Stefan Hajnoczi
2010/9/16 Andre Przywara andre.przyw...@amd.com: TOURNIER Frédéric wrote: Ok, thanks for taking time. I'll dig into your answers. So as i run relative.img on diskless systems with original.img on nfs, what are the best practice/tips i can use ? I thinks it is -snapshot you are looking

Re: .img on nfs, relative on ram, consuming mass ram

2010-09-16 Thread Andre Przywara
Stefan Hajnoczi wrote: 2010/9/16 Andre Przywara andre.przyw...@amd.com: TOURNIER Frédéric wrote: Ok, thanks for taking time. I'll dig into your answers. So as i run relative.img on diskless systems with original.img on nfs, what are the best practice/tips i can use ? I thinks it is -snapshot

Re: .img on nfs, relative on ram, consuming mass ram

2010-09-16 Thread TOURNIER Frédéric
I can't do this because i need performance. I'm currently doing some tests. Will post soon. My config's map : NFS PXE server qemu-kvm host --- | img.img |__|relimg.img| | readonly| net| | --- Keep in touch

.img on nfs, relative on ram, consuming mass ram

2010-09-15 Thread TOURNIER Frédéric
Hi ! Here's my config : Version : qemu-kvm-0.12.5, qemu-kvm-0.12.4 Hosts : AMD 64X2, Phenom and Core 2 duo OS : Slackware 64 13.0 Kernel : 2.6.35.4 and many previous versions I use a PXE server to boot semi-diskless (swap partitions and some local stuff) stations. This server also serves a