Date: Tue, 23 May 2006 21:58:56 +0100 From: Daniel Bye <freebsd-questions@slightlystrange.org> To: freebsd-questions@freebsd.org Subject: Re: PostgreSQL uses more memory on 6.1? Message-ID: <20060523205856.GE38758@catflap.slightlystrange.org> In-Reply-To: <E517320D-7D91-481E-96AA-9520912CD4D7@shire.net> References: <200605231537.26304.kirk@strauser.com> <E517320D-7D91-481E-96AA-9520912CD4D7@shire.net>
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--SnV5plBeK2Ge1I9g Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 23, 2006 at 02:47:54PM -0600, Chad Leigh -- Shire.Net LLC wrote: >=20 > On May 23, 2006, at 2:37 PM, Kirk Strauser wrote: >=20 > >I just upgraded from 6-STABLE as of 2006-02-18 to 6-STABLE as of =20 > >2006-05-21, > >and was surprised to find that PostgreSQL wouldn't start because it > >couldn't allocate enough shared memory. Thing is, I didn't make a =20 > >single > >hardware change during the reboot and didn't upgrade any ports on the > >machine. > > > >My emergency fix was to edit postgresql.conf to change =20 > >shared_buffers from > >8192 to 2048. Unfortunately, that seems to be hurting performance =20 > >- I'm > >getting annoying deadlocks at 4AM whenever multiple daemons start =20 > >their > >overnight batch runs. > > > >Has anyone else seen this behavior when upgrading from 6.0 to 6.1? =20 > >Any > >ideas for a fix? >=20 >=20 > Just a guess -- did some kernel default for shared memory change or =20 > did you change your kernel config? Can you rebuild your kernel with =20 > explicit shared memory values? Look in the NOTES in /usr/src/sys/=20 > conf at the various SHM values Yep, I was thinking along the same lines. The PostgreSQL ports have a pkg-message-server file that may prove helpful, too. >=20 >=20 > not an expert Likewise... --=20 Daniel Bye PGP Key: http://www.slightlystrange.org/pgpkey-dan.asc PGP Key fingerprint: D349 B109 0EB8 2554 4D75 B79A 8B17 F97C 1622 166A _ ASCII ribbon campaign ( ) - against HTML, vCards and X - proprietary attachments in e-mail / \ --SnV5plBeK2Ge1I9g Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFEc3eQixf5fBYiFmoRAoiUAKDO40YgIMrb/1V2mQ3tpi78weS+LwCggIBG NOkSWXDTZDIH/jJhORFTlj8= =17GP -----END PGP SIGNATURE----- --SnV5plBeK2Ge1I9g--
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