X-Original-To: pgsql-performance-postgresql.org@postgresql.org Received: from localhost (wm.hub.org [200.46.204.128]) by postgresql.org (Postfix) with ESMTP id 081C09FB289 for ; Tue, 8 Aug 2006 04:39:58 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.128]) (amavisd-new, port 10024) with ESMTP id 44448-05 for ; Tue, 8 Aug 2006 07:39:55 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey- Received: from office.redwerk.com (office.redwerk.com [85.90.206.104]) by postgresql.org (Postfix) with ESMTP id 0450D9FB281 for ; Tue, 8 Aug 2006 04:39:54 -0300 (ADT) Received: from bofh by office.redwerk.com with local (Exim 4.62 (FreeBSD)) (envelope-from ) id 1GAMBw-0000Xr-ET for pgsql-performance@postgresql.org; Tue, 08 Aug 2006 10:39:56 +0300 Date: Tue, 8 Aug 2006 10:39:56 +0300 From: Eugeny N Dzhurinsky To: pgsql-performance@postgresql.org Subject: vacuuming Message-ID: <20060808073956.GA2087@office.redwerk.com> MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline User-Agent: Mutt/1.5.12-2006-07-14 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests= X-Spam-Level: X-Archive-Number: 200608/95 X-Sequence-Number: 20280 Hello I have pg_autovacuum running with the arguments: pg_autovacuum -D -s 120 -v 10000 the database is postgresql 8.0.0 Sometimes load average on server raises to 20 and it is almost impossible to login via SSH When I'm logging in finally, I see there is cpu usage: 6% and iowait 95% ps ax | grep post gives me postgres: postgres db [local] VACUUM Is there some solution to avoid such cases? -- Eugene N Dzhurinsky