Mark Kirkwood <[EMAIL PROTECTED]> writes:
> So it seems to me that there is nothing to be gained using a 64-bit
> binary with the current or previous Pg releases. However, with the new
> cache replacement system being used in 7.5devel, the situation *may* be
> different (wonder if anyone has tried this out yet?).
Quite honestly, I suspect we may be wasting our time hacking the
Postgres buffer replacement algorithm at all. There are a bunch of
reasons why the PG shared buffer arena should never be more than a
small fraction of physical RAM, and under those conditions the cache
replacement algorithm that will matter is the kernel's, not ours.
I stand ready to be proven wrong, of course ...
regards, tom lane
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