On Wed, 15 Dec 2010 11:30:14 +0100 Marcin Krol <mrk...@gmail.com> wrote:
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> Hello,
>
> I'll use PG on a dedicated machine with more than 4GB of memory.
>
> The problem is: what would be better to use: PAE ("bigmem" kernels) or
> 64-bit kernel?
>
> PAE pro: half the memory per pointer, int, etc.
>
> PAE risk: is PG able to take advantage of all the memory on PAE, esp. re
> things like shared buffers?
>
> 64-bit pro: it's more mainstream now, no worries about shared bufs etc.
>
>
> PAE overhead according to wikipedia should be small. (?)
>
> So, which one should be better?
Don't even bother with PAE. Let it rot.
memory consumption due to 64 bits pointers is negligible.
Laurent
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