[Xen-users] Xen 3.1 - 32 vs 64 bit hypervisor

[Nick Craig-Wood <nick@xxxxxxxxxxxxxx>]

I've been experimenting with Xen 3.1.

My requirements are to run lots 32 bit paravirt domains on large
memory hosts (8GB or more).

Previously I've used a 32 bit Xen with PAE hypervisor which works
well.  However I seen from the announcement that you can use a 64 bit
hypervisor and still run 32 bit PAE domains.  I've tried this and it
works as advertised!

What I'm wondering is, will it be best for me to run a 32 bit PAE Xen
hypervisor or a 64 bit hypervisor?  What is the tradeoff between the
two? Which is likely to be more efficient and which more stable?

Thanks

Nick
-- 
Nick Craig-Wood <nick@xxxxxxxxxxxxxx> -- http://www.craig-wood.com/nick

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