Hi, Rik. On Monday, 02 August 2010 16:22:14 -0400, Rik van Riel wrote: >> And there are some estimates of when this patch is in Linux stable? > It should be there already in 2.6.33-stable and 2.6.34-stable. In a test environment I have Linux 2.6.34.5 compiled with the source code from kernel.org and qemu-kvm 0.12.4 installed from the Backports repository of Debian GNU/Linux. In this environment I have running the following virtual machines: * 2 x OpenBSD (2 x 512 MB) | * 2 x Debian GNU/Linux (2 x 256 MB) | * 2 x Debian GNU/Linux (2 x 512 MB) +--= 11008 MB * 1 x Centos 5.5 (1 x 256 MB) | * 8 x Debian GNU/Linux (8 x 1024 MB) | I'm just starting to test KSM, so I was using as reference the read of the tests made by RedHat about run as many as 52 Windows XP VMs with 1 GB of RAM each on a server with just 16 GB of RAM. In the previous case the ratio would be 52/16 = 3.25. In my case the VMHost has 4 GB of RAM, so the ratio would be 10.75/4 = 2.6875. In RH tests do not talk about the amount of swap used in that case, so I wonder if a distribution of VMs as I have, it is normal to use 290 MB of swap. Regards, Daniel -- Mi frase del día: BOFH excuse #335: the AA battery in the wallclock sends magnetic interference Daniel Bareiro - GNU/Linux registered user #188.598 Proudly running Debian GNU/Linux with uptime: 05:57:46 up 48 days, 10:50, 11 users, load average: 0.01, 0.04, 0.06
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