* Athanasius <kvm@xxxxxxxxx> [2010-05-14 08:33:34]: > On Thu, May 13, 2010 at 01:20:31PM +0100, James Stevens wrote: > > We have a KVM host with 48Gb of RAM and run about 20 KVM clients on it. > > After some time - different time depending on the kernel version - the > > VM host kernel will start OOM-Killing the VM clients, even when there is > > lots of free RAM (>10Gb) and free SWAP (>34Gb). > > It seems going to a 64 bit kernel is what you want, but I thought it > worth mentioning the available method to say "try not to OOM-kill *this* > process": > > echo "-16" > /proc/<pid>/oom_adj > A lot of this is being changed, but not yet committed. There are patches out there to deal with the lowmem issue. Meanwhile, do follow the suggestions on oom_adj and moving to 64 bit. -- Three Cheers, Balbir -- 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