Received: from localhost (maia-4.hub.org [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id D54019FA280 for ; Tue, 5 Dec 2006 14:17:07 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-new, port 10024) with ESMTP id 11519-08 for ; Tue, 5 Dec 2006 14:16:57 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 195909F9F49 for ; Tue, 5 Dec 2006 14:16:56 -0400 (AST) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.6/8.13.6) with ESMTP id kB5IGn4r008739; Tue, 5 Dec 2006 13:16:49 -0500 (EST) To: Jean Arnaud cc: pgsql-performance@postgresql.org Subject: Re: Restart time In-reply-to: <4575A78F.5040504@inrialpes.fr> References: <4575A78F.5040504@inrialpes.fr> Comments: In-reply-to Jean Arnaud message dated "Tue, 05 Dec 2006 18:08:31 +0100" Date: Tue, 05 Dec 2006 13:16:49 -0500 Message-ID: <8738.1165342609@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200612/87 X-Sequence-Number: 22143 Jean Arnaud writes: > Is there a relation between database size and PostGreSQL restart duration ? No. > Does anyone now the behavior of restart time ? It depends on how many updates were applied since the last checkpoint before the crash. If you're talking about startup of a cleanly-shut-down database, it should be pretty much constant time. regards, tom lane