Max size of swapspace - 2GB?
James Knott
james.knott-bJEeYj9oJeDQT0dZR+AlfA at public.gmane.org
Tue Aug 23 01:30:09 UTC 2005
Fraser Campbell wrote:
> Hi,
>
> I have been creating >2GB swapspaces for quite a while. Recently I read
> the manpage:
>
> The maximum useful size of a swap area now depends on the
> architecture. It is roughly 2GiB on i386, PPC, m68k, ARM, 1GiB
> on sparc, 512MiB on mips, 128GiB on alpha and 3TiB on sparc64.
>
> As a test I just created a 3GB swapspace (single logical volume) and
> then had a few programs suck up all the RAM. I saw 3GB of real RAM used
> and 3GB of swapspace used before the server ran out of memory.
>
> Based on my test I assume that the manpage is just out of date, or am I
> missing something? My test was with 2.6.5 kernel (SuSE 9).
It might be the the info is out of data, as I seem to recall some
changes in that area not that long ago.
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