Date: Sun, 7 Jul 1996 15:06:02 -0400 (EDT) From: "Marc G. Fournier" <scrappy@ki.net> To: "Ron G. Minnich" <rminnich@Sarnoff.COM> Cc: Tom Bartol <bartol@salk.edu>, hackers@freebsd.org Subject: Re: Shared Memory Questions Message-ID: <Pine.NEB.3.94.960707150313.12204B-100000@ki.net> In-Reply-To: <Pine.SUN.3.91.960707130306.14662B-100000@terra>
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On Sun, 7 Jul 1996, Ron G. Minnich wrote: > > actually, you're not really running out of shared memory. You're running > out of sysv shared memory, which is barely a qualifier for the name > 'shared memory' :=) > Okay...can I increase that? :) ipcs -M shows: postgres@zeus> ipcs -M shminfo: shmmax: 4194304 (max shared memory segment size) shmmin: 1 (min shared memory segment size) shmmni: 32 (max number of shared memory identifiers) shmseg: 8 (max shared memory segments per process) shmall: 1024 (max amount of shared memory in pages) So would have assumed I had 4Meg of Shared Memory available, no? > Does the tool you're using use the shared memory just as shared memory, > and not for locks, etc.? If so, you're better off setting up shared > mmap'ed files, since there will be no limit. I have a simple allocater > called filemalloc and filecalloc that does this, if you want them let me > know. Works much better than sysv shm. > I haven't got a clue...I'm running Postgres95, which uses SYSV shared memory...anyone out there know the answer to this one? :) Marc G. Fournier scrappy@ki.net Systems Administrator @ ki.net scrappy@freebsd.org
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