* Athanasius <[email protected]> [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
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