Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id 89E501337B5C for ; Thu, 7 Oct 2010 16:02:17 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia, port 10024) with ESMTP id 24980-03 for ; Thu, 7 Oct 2010 19:02:09 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from tamriel.snowman.net (tamriel.snowman.net [72.66.115.51]) by mail.postgresql.org (Postfix) with ESMTP id 232771337B4A for ; Thu, 7 Oct 2010 16:02:09 -0300 (ADT) Received: by tamriel.snowman.net (Postfix, from userid 1000) id 19DBD22942; Thu, 7 Oct 2010 15:02:09 -0400 (EDT) Date: Thu, 7 Oct 2010 15:02:08 -0400 From: Stephen Frost To: Aaron Turner Cc: pgsql-performance Subject: Re: large dataset with write vs read clients Message-ID: <20101007190208.GB26232@tamriel.snowman.net> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="5PVY+vURQto0KJVL" Content-Disposition: inline In-Reply-To: X-Editor: Vim http://www.vim.org/ X-Info: http://www.snowman.net X-Operating-System: Linux/2.6.26-1-amd64 (x86_64) X-Uptime: 15:00:34 up 406 days, 6:25, 14 users, load average: 0.30, 0.17, 0.11 User-Agent: Mutt/1.5.18 (2008-05-17) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-10 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201010/65 X-Sequence-Number: 40484 --5PVY+vURQto0KJVL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline * Aaron Turner (synfinatic@gmail.com) wrote: > Basically, each connection is taking about 100MB resident Errr.. Given that your shared buffers are around 100M, I think you're confusing what you see in top with reality. The shared buffers are visible in every process, but it's all the same actual memory, not 100M per process. Thanks, Stephen --5PVY+vURQto0KJVL Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkyuGTAACgkQrzgMPqB3kiiGPQCfeFhMvfRo9V6m2ELd53+ONblu dPMAoIORqDGDixI3W61Gw/YzkXvpWbdr =g6ux -----END PGP SIGNATURE----- --5PVY+vURQto0KJVL--