Date: Thu, 26 Jul 2007 12:05:32 -0700 From: Vivek Khera <vivek@khera.org> To: freebsd-amd64 List <freebsd-amd64@freebsd.org> Subject: Re: 64bit sysv ipc code Message-ID: <623B3A82-D029-4F45-B505-077625894FCC@khera.org> In-Reply-To: <46A639D8.1030908@centrifugesolutions.com>
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On Jul 24, 2007, at 10:41 AM, Daniel Gish wrote: > The system has 8 gigs of memory. We need to set a high SHMMAXPGS > for Postgresql, and we're unable to set it above 2 gigs. This > message back in December gives more details about the problem, and > mentions that "someone needs to go over the sysv ipc code and make > it 64-bit capable": i run with 2Gb of SHM on boxes with 8Gb and 20Gb of RAM respectively, and it works just fine. Much of the database ends up in the I/O cache of the system. That said, I'd like to try higher SHM values too, especially on the 20Gb box :-)help
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