On 01/23/10 07:03 PM, Thomas Burgess wrote:
I'm new to opensolaris, and i'm really loving it so far.
naturally, i'd like to try running XEN on my box. This box is mainly a NAS,
but i can't get rtorrent installed, so i'm hoping XEN will be the answer. I'm
reading some of the documentation of it and it's saying i need to lower my arc,
i'm wondering how much?
I only plan on running a single domU and i only plan on running a small
webserver in that with rtorrent.
I have an intel q9550 cpu with VT-d enabled, and 8 gb of ddr2 ECC ram
I don't see any guidelines for how much to limit arc, just this:
set zfs:zfs_arc_max = 0x10000000
That seems quite low.....does it really need to be this low?
It depends on how much ram you have and how many VMs with how many mem !
Anyway I'm not quite sure this is still necessary since the default now
limits dom0_mem to 2048K or 1/2 the system mem and I understood,
arc_cache_mem to 3/4 of this value...
Bruno
PS I keep it at 0x20000000 for my system with 8192M mem, dom0 6144M and
1 VM 2048M
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