| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Christopher Browne <cbbrowne(at)libertyrms(dot)info> |
| Cc: | Jeff <jam(at)zoidtechnologies(dot)com>, Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>, pgsql-advocacy(at)postgresql(dot)org |
| Subject: | Re: 64 Bit Compatibility |
| Date: | 2003-07-23 22:53:56 |
| Message-ID: | 200307232253.h6NMru829921@candle.pha.pa.us |
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| Lists: | pgsql-advocacy |
Christopher Browne wrote:
> Then let's ask ourselves: "What use is 64 bit compatibility?"
>
> Answer:
>
> "... 64 bit support means database processes can access more than 2GB of
> physical memory, which is vital for supporting large enterprise
> databases and data warehousing applications."
>
> The problem with "only 32 bits" is that you can't make use of >2GB of
> RAM on a system. (Well, on a 4GB IA-32 box, you could have PostgreSQL
> consume up to 2GB, and then see filesystem cacheing use the rest, but
> you still only have direct access to 2GB at a time...)
I belive 4gig is the limit for 32 bits.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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