Received: from localhost (maia-5.hub.org [200.46.204.182]) by postgresql.org (Postfix) with ESMTP id 79EC39FB3FC for ; Tue, 5 Jun 2007 09:33:01 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.182]) (amavisd-maia, port 10024) with ESMTP id 25601-01-6 for ; Tue, 5 Jun 2007 09:32:55 -0300 (ADT) Received: from news.hub.org (news.hub.org [200.46.204.72]) by postgresql.org (Postfix) with ESMTP id B041E9FB651 for ; Tue, 5 Jun 2007 07:52:00 -0300 (ADT) Received: from news.hub.org (news.hub.org [200.46.204.72]) by news.hub.org (8.13.8/8.13.8) with ESMTP id l55ApsuM077008 for ; Tue, 5 Jun 2007 07:51:54 -0300 (ADT) (envelope-from news@news.hub.org) Received: (from news@localhost) by news.hub.org (8.13.8/8.13.8/Submit) id l55AX51o050906 for pgsql-admin@postgresql.org; Tue, 5 Jun 2007 07:33:05 -0300 (ADT) (envelope-from news) From: "Charles.Hou" X-Newsgroups: pgsql.admin Subject: the right time to vacuum database? Date: Tue, 05 Jun 2007 03:33:09 -0700 Organization: http://groups.google.com Lines: 4 Message-ID: <1181039589.643323.59660@r19g2000prf.googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset="big5" X-Complaints-To: groups-abuse@google.com User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1),gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: r19g2000prf.googlegroups.com; posting-host=218.164.112.157; posting-account=Mznd-A0AAABITZ14OcULoTm5bpaBaOsm To: pgsql-admin@postgresql.org X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200706/23 X-Sequence-Number: 25691 how can i know that it's the time to vacuumdb? i set the crontab to vacuumdb 3 times in one day. because my database size increase from 440MB to 460MB in 8 hours.