X-Original-To: pgsql-performance-postgresql.org@postgresql.org Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id 638459FB209 for ; Wed, 23 Aug 2006 09:50:49 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 79937-10 for ; Wed, 23 Aug 2006 09:50:36 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from mail.logix-tt.com (mail.logix-tt.com [212.211.145.186]) by postgresql.org (Postfix) with ESMTP id C24DD9FB25F for ; Wed, 23 Aug 2006 09:50:36 -0300 (ADT) Received: from kingfisher.intern.logix-tt.com (80-219-241-140.dclient.hispeed.ch [80.219.241.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.logix-tt.com (Postfix) with ESMTP id 6F590656BE for ; Wed, 23 Aug 2006 14:52:36 +0200 (CEST) Received: from [127.0.0.1] (localhost [127.0.0.1]) by kingfisher.intern.logix-tt.com (Postfix) with ESMTP id 44E6218589FA9 for ; Wed, 23 Aug 2006 14:50:55 +0200 (CEST) Message-ID: <44EC4F2E.1010304@logix-tt.com> Date: Wed, 23 Aug 2006 14:50:54 +0200 From: Markus Schaber Organization: Logical Tracking and Tracing International AG, Switzerland User-Agent: Thunderbird 1.5.0.4 (X11/20060713) MIME-Version: 1.0 To: pgsql-performance@postgresql.org Subject: Re: VACUUM FULL needed sometimes to prevent transaction References: <44EB48A9.7030704@geizhals.at> <1156284025.15743.104.camel@dogma.v10.wvs> In-Reply-To: <1156284025.15743.104.camel@dogma.v10.wvs> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.135 tagged_above=0 required=5 tests=FORGED_RCVD_HELO X-Spam-Level: X-Archive-Number: 200608/374 X-Sequence-Number: 20559 Hi, Jeff & all, Jeff Davis wrote: > (2) You have a long-running transaction that never completed for some > strange reason. I just asked myself whether a 2-phase-commit transaction that was prepared, but never committed, can block vacuuming and TID recycling. Markus -- Markus Schaber | Logical Tracking&Tracing International AG Dipl. Inf. | Software Development GIS Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org