Strategies for splitting load across varnish instances? And avoiding single-point-of-failure?

[Michael S. Fischer]

On Jan 18, 2010, at 1:05 PM, Poul-Henning Kamp wrote:

> In message <43A238D7-433D-4000-8AA5-6C574882D40C at dynamine.net>, "Michael S. Fis
> cher" writes:
> 
>> I should have been more clear.  If you overcommit and use disk you  
>> will die.  Even SSD is a problem as the write latencies are high.
> 
> That is still very much dependent on the quality of the VM subsystem
> in your OS kernel.

What VM can overcome page-thrashing incurred by constantly referencing a working set that is significantly larger than RAM?

--Michael