Received: from maia.hub.org (unknown [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id 8765F632224 for ; Thu, 8 Apr 2010 06:32:24 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 58119-02 for ; Thu, 8 Apr 2010 09:32:07 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-bw0-f216.google.com (mail-bw0-f216.google.com [209.85.218.216]) by mail.postgresql.org (Postfix) with ESMTP id 91F3263279A for ; Thu, 8 Apr 2010 06:31:36 -0300 (ADT) Received: by bwz8 with SMTP id 8so74239bwz.3 for ; Thu, 08 Apr 2010 02:31:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:received:message-id:subject:from:to:cc:content-type; bh=xhSNf9jZ9K9/qnnQOmNQQdO739GQeKfiPMv18jOeSOs=; b=GDh0+cmelSh+NU5eYmfF5esxg/Vu8AN6JQ/NUpoYjiUhU7clM+1CPikYPqKTOLOvME yFzcdcObow5P0rp1D/iICdwSvq7unHRrBjJ24SOF75NlLuQR5iZXScC3/4OK0cc3NFH7 8NF6OITmf0qdmEgYEujqZQMloex2HsLeuWBQc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=e8qmKrgwTN+RSsF7TJ9eazzF+LUooAk87J+bn3ZNT7AmHND5GnAP5Dptaf3loyajMH Y/iF0/SkF9UjRGjqmJl702dGwaNeBmRPiLQWwiESMuC+5vp8Hy5il8OnTTgYfgEPue3e cNUWXv21Kmp2AXBsFZxsJch9oTO+uHG1TeW0Q= MIME-Version: 1.0 Received: by 10.204.46.154 with HTTP; Thu, 8 Apr 2010 02:31:34 -0700 (PDT) In-Reply-To: References: Date: Thu, 8 Apr 2010 10:31:34 +0100 Received: by 10.204.83.132 with SMTP id f4mr1306944bkl.73.1270719094977; Thu, 08 Apr 2010 02:31:34 -0700 (PDT) Message-ID: Subject: Re: PostgreSQL with Zabbix - problem of newbe From: =?UTF-8?Q?Grzegorz_Ja=C5=9Bkiewicz?= To: Krzysztof Kardas Cc: pgsql-performance@postgresql.org Content-Type: multipart/alternative; boundary=0016e6d77df843f5610483b658d8 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.178 tagged_above=-10 required=5 tests=AWL=-0.439, BAYES_20=-0.74, HTML_MESSAGE=0.001 X-Spam-Level: X-Archive-Number: 201004/93 X-Sequence-Number: 38343 --0016e6d77df843f5610483b658d8 Content-Type: text/plain; charset=UTF-8 starting with 8.3, there's this new feature called HOT, which helps a lot when you do loads of updates. Plus writer is much quicker (30-40% sometimes), and autovacuum behaves much nicer. Bottom line, upgrade to 8.3, 8.1 had autovacuum disabled by default for a reason. --0016e6d77df843f5610483b658d8 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable starting with 8.3, there's this new feature called HOT, which helps a l= ot when you do loads of updates.
Plus writer is much quicker (30-40% so= metimes), and autovacuum behaves much nicer.
Bottom line, upgrade to 8.= 3, 8.1 had autovacuum disabled by default for a reason.

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