Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id D310D64FEFF for ; Wed, 15 Oct 2008 15:22:24 -0300 (ADT) Received: from postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 13157-02-6 for ; Wed, 15 Oct 2008 15:22:16 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 69F8F65027E for ; Wed, 15 Oct 2008 15:17:52 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id m9FIFAU6024874; Wed, 15 Oct 2008 14:15:10 -0400 (EDT) To: "Matthew T. O'Connor" cc: Greg Smith , Gregory Stark , Kevin Murphy , pgsql-general@postgresql.org Subject: Re: Drupal and PostgreSQL - performance issues? In-reply-to: <48F63230.1070208@tocr.com> References: <2434A118-CEFA-43A9-BA88-006EC1F80326@hoegh.org> <200810122214.53558.uwe@oss4u.com> <20081013090228.248a665f@dawn.webthatworks.it> <20081014114011.0ebe495a@dawn.webthatworks.it> <3250B5B6-B507-4E79-BAF0-E98B73E9FED9@hoegh.org> <48F4B3C2.1050805@genome.chop.edu> <87od1mbpsv.fsf@oxford.xeocode.com> <22702.1224087183@sss.pgh.pa.us> <48F63230.1070208@tocr.com> Comments: In-reply-to "Matthew T. O'Connor" message dated "Wed, 15 Oct 2008 14:10:56 -0400" Date: Wed, 15 Oct 2008 14:15:10 -0400 Message-ID: <24873.1224094510@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=none X-Spam-Level: X-Archive-Number: 200810/621 X-Sequence-Number: 138870 "Matthew T. O'Connor" writes: > Tom Lane wrote: >> Mind you, I find the SysV APIs uselessly baroque too, but there is one >> feature that we have to have that is not in mmap(): the ability to >> detect other processes attached to a shmem block. > Didn't we solve this problem on Windows? Not terribly well --- see active thread on -hackers. regards, tom lane