Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id CECC76324EB for ; Tue, 18 May 2010 11:51:27 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 26058-10 for ; Tue, 18 May 2010 14:51:16 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from spinlock.commandprompt.com (host-215.commandprompt.net [207.173.203.215]) by mail.postgresql.org (Postfix) with ESMTP id AF0DA6324F1 for ; Tue, 18 May 2010 11:51:16 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by spinlock.commandprompt.com (Postfix) with ESMTP id DD777348034; Tue, 18 May 2010 07:51:14 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at commandprompt.com Received: from spinlock.commandprompt.com ([127.0.0.1]) by localhost (spinlock.commandprompt.com.commandprompt.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IesbFpZcXWzu; Tue, 18 May 2010 07:51:12 -0700 (PDT) Received: from perhan.alvh.no-ip.org (200-85-211-144.bk4-dsl.surnet.cl [200.85.211.144]) by spinlock.commandprompt.com (Postfix) with ESMTPSA id 9074E348002; Tue, 18 May 2010 07:51:12 -0700 (PDT) Received: by perhan.alvh.no-ip.org (Postfix, from userid 1000) id 980026E8C4; Tue, 18 May 2010 10:51:10 -0400 (CLT) Content-Type: text/plain; charset=UTF-8 Cc: pgsql-admin Subject: Re: Clarification Needed: When does autovacuum daemon run? From: Alvaro Herrera To: Narasimha Murthy-VRFX87 In-reply-to: <58FEF525AF1E664D9503ACDEAC926BBC03BE7D7A@ZMY16EXM66.ds.mot.com> References: <58FEF525AF1E664D9503ACDEAC926BBC03BE7D7A@ZMY16EXM66.ds.mot.com> Date: Tue, 18 May 2010 10:51:10 -0400 Message-Id: <1274194230-sup-1696@alvh.no-ip.org> User-Agent: Sup/0.11 Content-Transfer-Encoding: 8bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=3.024 tagged_above=-10 required=5 tests=BAYES_50=0.8, RCVD_IN_NJABL_PROXY=2.224 X-Spam-Level: *** X-Archive-Number: 201005/169 X-Sequence-Number: 34642 Excerpts from Narasimha Murthy-VRFX87's message of mar may 18 05:56:26 -0400 2010: > Hello, > > Postgresql-8.2 manual has mentioned following points. > * The autovacuum daemon, when enabled, runs every autovacuum_naptime > seconds. > * autovacuum_naptime (integer): Specifies the delay between "activity > rounds" for the autovacuum daemon....The delay is measured in seconds, > and the default is one minute (1m).... > > My Query: I want to run autovacuum daemon everyday at 5 am. You cannot do that with autovacuum currently. Use cron. --