Re: 20TB Storage System (fsck????)
From: Julian Elischer (julian_at_elischer.org)
Date: 09/04/03
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Date: Thu, 4 Sep 2003 11:53:18 -0700 (PDT) To: Tim Kientzle <kientzle@acm.org>
On Wed, 3 Sep 2003, Tim Kientzle wrote:
> Max Clark wrote:
> > Ohh, that's an interesting snag. I was under the impression that 5.x w/ PAE
> > could address more than 4GB of Ram.
>
> That's >4G of memory in the system. 32-bit processors
> are still limited to 4G processor address space, which means
> <3G per process (allowing some memory for kernel operations).
> You can't get around that unless you either go for a 64-bit
> processor or do some complex coding to break your application
> storage across multiple processes.
It's worse than that, becasue I think that to handle >4GB of ram you
need to limit your processes to about 2G of virtual space.
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