[Bizgres-general] Question: Is 64-bit cache support valuable?

Gavin Sherry swm at alcove.com.au
Tue Jul 19 00:23:03 GMT 2005


On Mon, 18 Jul 2005, Luke Lonergan wrote:

> I have a question for Data Warehousing / Business Intelligence users, is
> 64-bit support to allow large in-memory buffer cache within Postgres
> important?
>
> There is a patch contributed by Koichi Suzuki of Nippon Telecom that shows
> very good results.  It extends the buffer cache of 8.0.3 to 64-bit, allowing
> for caches larger than 2GB.  See "[PATCHES] A couple of patches for
> PostgreSQL 64bit support" in the pgsql-patches list for details.

I couldn't make out what on earth was going on in that PDF -- possibly
because I do not have the fonts required. Some benchmarking with well
recognised tests (those from OSDL?) would be useful.

Thanks,

Gavin


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