On Thu, Dec 30, 2010 at 11:25 PM, Erich Weiler <bitscrubber@xxxxxxxxx> wrote: > I've got this issue that I've been banging my head against a wall for a > while over and I think another pair of eyes may help, if anyone have a > moment. We have this new-ish KVM VM server (with the latest CentOS 5.5 > updates, kmod-kvm-83-164.el5_5.25) that houses 3 VMs. It works mostly as > expected except it has a very high load all the time, like 40-60, when the > VMs are running. I suspect it has to do with memory management, because > when all 3 VMs are online, they should consume 5GB RAM on the VM server and > they only consume like 2GB, so I think the rest of the RAM is swapping or > something, because the disks are spinning at 100% all the time (even when > the VMs are doing nothing). Although, the VM server does not report any > swapping happening. When I shut down the VMs one by one, the load drops and > so does the disk activity. I don't think I set this server up with anything > out of the ordinary... I've tried rebooting, but the same thing happens > immediately upon reboot. Google searches, for me at least, yielded nothing > useful. "very high load all the time, like 40-60" Is this number the host CPU utilization or load average? Which guest OS (and versions) are you running? Can you paste the qemu-kvm command-line for the VMs? Can you send a few lines of "vmstat 5" output on the host while running the 3 VMs? Stefan -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
