[Xen-users] Memory allocation strategy

["Dmitri Bichko" <dbichko@xxxxxxxxxxxxxx>]

Hi,

I couldn't find an answer to this in the docs - how does Xen handle
caching of block devices?  Will all the domU's cache their own access to
the devices exported by dom0, or will dom0 be responsible for that?

In other words, if I have a machine with 6GB that runs, lets say, 4
domU's which need 1GB each - should I give the remaining memory to dom0
or distribute it between the domU's?

Also, what about the memory that is currently not allocated to any dom,
is that available for any sort of caching/buffering or is it just
wasted?

Thanks,
Dmitri


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