[OpenIndiana-discuss] minimum swap requirements for VirtualBox on OI

[Jonathan Adams]

in the olden days, when we didn't have much memory in our solaris boxes,
and because we logged files to /tmp and /var/run we used to make swap be at
least twice as much as memory ... not that you would actually want to
"swap" out that much :)

I know with KVM in Illumos that when it pre-allocates memory, it also
pre-allocates an equivalent amount of swap, which caused me some problems
when I only had 4Gb of swap and 8Gb of ram ... I was getting "out of
memory" errors when I went over 4Gb.

Jon


On 28 August 2013 23:06, Jake Goerzen <jakegoerzen at gmail.com> wrote:

> Greetings,
>
> What are the minimum swap space requirements to use openindiana as a
> VirtualBox host?
>
> According to the wiki documentation (http://wiki.openindiana.org/**
> oi/7.2+VirtualBox <http://wiki.openindiana.org/oi/7.2+VirtualBox>) in
> order to *run* VirtualBox VMs, available on-disk swap space is required
> (sized as the VM's RAM size), even if the swap space is not really actively
> used.
>
> It appears the OI installer defaults the swap to 50% RAM size during
> install.  Seems like setting swap size at 100% RAM size is a safer bet for
> a Virtualbox host.  What have others set swap at, particularly on systems
> with lots of RAM hosting many VirtualBox VM's?
>
> Thanks,
> /Jake
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