X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id DFAA0528C2 for ; Wed, 25 May 2005 00:04:09 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 60214-10 for ; Wed, 25 May 2005 03:04:00 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id 4E656528A9 for ; Wed, 25 May 2005 00:03:59 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.1/8.13.1) with ESMTP id j4P32fK7007691; Tue, 24 May 2005 23:02:41 -0400 (EDT) To: John A Meinel Cc: SpaceBallOne , pgsql-performance@postgresql.org Subject: Re: Can anyone explain this: duplicate dbs. In-reply-to: <4293E553.6070400@arbash-meinel.com> References: <4293E553.6070400@arbash-meinel.com> Comments: In-reply-to John A Meinel message dated "Tue, 24 May 2005 21:39:15 -0500" Date: Tue, 24 May 2005 23:02:41 -0400 Message-ID: <7690.1116990161@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.006 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200505/385 X-Sequence-Number: 12549 John A Meinel writes: > By the way, I think doing: > CREATE DATABASE tempdb WITH TEMPLATE = originaldb; > Is a much faster way of doing dump and load. I *think* it would recreate > indexes, etc. If it just does a copy it may not show the dump/restore > improvement. CREATE DATABASE just does a physical copy, so it won't do anything at all for bloat issues. regards, tom lane