X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.2]) by svr1.postgresql.org (Postfix) with ESMTP id 1355FD1B515 for ; Mon, 13 Oct 2003 19:45:18 +0000 (GMT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (neptune.hub.org [200.46.204.2]) (amavisd-new, port 10024) with ESMTP id 16108-06 for ; Mon, 13 Oct 2003 16:44:45 -0300 (ADT) Received: from lorax.kcilink.com (lorax.kciLink.com [206.112.95.1]) by svr1.postgresql.org (Postfix) with ESMTP id 6F891D1B532 for ; Mon, 13 Oct 2003 16:44:46 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by lorax.kcilink.com (Postfix) with ESMTP id 071D03E38 for ; Mon, 13 Oct 2003 11:37:57 -0400 (EDT) Received: from lorax.kcilink.com ([127.0.0.1]) by localhost (lorax.kcilink.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 29537-03 for ; Mon, 13 Oct 2003 11:37:56 -0400 (EDT) Received: from lorax.kciLink.com (localhost [127.0.0.1]) by lorax.kcilink.com (Postfix) with ESMTP id 53F793E37 for ; Mon, 13 Oct 2003 11:37:56 -0400 (EDT) Received: (from news@localhost) by lorax.kciLink.com (8.12.8p1/8.12.8/Submit) id h9DFbsRR032502 for pgsql-performance@postgresql.org; Mon, 13 Oct 2003 11:37:54 -0400 (EDT) To: pgsql-performance@postgresql.org Path: not-for-mail From: Vivek Khera Newsgroups: ml.postgres.performance Subject: Re: go for a script! / ex: PostgreSQL vs. MySQL Date: Mon, 13 Oct 2003 11:37:53 -0400 Organization: Khera Communications, Inc., Rockville, MD Lines: 18 Message-ID: References: <007901c38f2b$0b585590$2802a8c0@webbased10> <200310101034.52073.josh@agliodbs.com> <3F86F5BB.90605@chuckie.co.uk> <200310101338.18167.josh@agliodbs.com> <3F8819EF.7010004@chuckie.co.uk> <3F88BFD7.1020808@familyhealth.com.au> NNTP-Posting-Host: yertle.kcilink.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: lorax.kcilink.com 1066059474 42314 216.194.193.105 (13 Oct 2003 15:37:54 GMT) X-Complaints-To: daemon@kciLink.com NNTP-Posting-Date: Mon, 13 Oct 2003 15:37:54 +0000 (UTC) User-Agent: Gnus/5.1002 (Gnus v5.10.2) XEmacs/21.4 (Portable Code, berkeley-unix) Cancel-Lock: sha1:11lRV14VEcLMURmf1f84jcjwB2c= X-Virus-Scanned: by amavisd-new at kciLink.com X-Virus-Scanned: by amavisd-new at postgresql.org X-Archive-Number: 200310/431 X-Sequence-Number: 4179 >>>>> "CK" == Christopher Kings-Lynne writes: >> If shmmax and shmmall are too small, then: >> PostgreSQL requires some more shared memory to cache some tables, x >> Mb, do you want to increase your OS kernel parameters? >> Tweak shmmax and shmmall CK> Note that this still requires a kernel recompile on FreeBSD :( According to whom? sysctl is your friend. Some sysctl settings may require reboot, but I don't think the SHM ones do. -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Vivek Khera, Ph.D. Khera Communications, Inc. Internet: khera@kciLink.com Rockville, MD +1-240-453-8497 AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/