Re: Linux v.s. Mac OS-X Performance

From: Vivek Khera <khera(at)kcilink(dot)com>
To: Postgres General <pgsql-general(at)postgresql(dot)org>
Subject: Re: Linux v.s. Mac OS-X Performance
Date: 2007-11-12 22:02:52
Message-ID: 683A5DCD-53A6-4515-94F5-25336B58E5E8@kcilink.com
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On Nov 12, 2007, at 12:29 PM, Sam Mason wrote:

> You only need a 64bit address space when each process wants to see
> more
> than ~3GB of RAM.

And how exactly do you get that on a 32-bit CPU? Even with PAE
(shudders from memories of expanded/extended RAM in the DOS days), you
still have a 32-bit address space per-process.

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