Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id 9CFA99FBB46 for ; Fri, 13 Jul 2007 04:47:24 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-maia, port 10024) with ESMTP id 01990-05 for ; Fri, 13 Jul 2007 04:47:13 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from smtp.vodafone.nl (smtp-out.vizzavi.nl [195.232.199.126]) by postgresql.org (Postfix) with ESMTP id 178019FC0DC for ; Fri, 13 Jul 2007 04:47:19 -0300 (ADT) Received: from conversion-daemon.vfnlw43s.vfnl.dc-ratingen.de by vfnlw43s.vfnl.dc-ratingen.de (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) id <0JL300901XGLPK00@vfnlw43s.vfnl.dc-ratingen.de> (original mail from postgres@microbizz.nl) for pgsql-performance@postgresql.org; Fri, 13 Jul 2007 09:47:13 +0200 (MEST) Received: from [212.56.242.41] by vfnlw43s.vfnl.dc-ratingen.de (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JL300F81XMJ7590@vfnlw43s.vfnl.dc-ratingen.de> for pgsql-performance@postgresql.org; Fri, 13 Jul 2007 09:47:13 +0200 (MEST) Date: Fri, 13 Jul 2007 09:47:06 +0200 From: Adriaan van Os Subject: Re: TRUNCATE TABLE In-reply-to: <87ps2ypox3.fsf@oxford.xeocode.com> To: pgsql-performance@postgresql.org Message-id: <46972DFA.9000900@microbizz.nl> MIME-version: 1.0 Content-type: text/plain; format=flowed; charset=ISO-8859-1 Content-transfer-encoding: 7BIT References: <46953949.3030201@microbizz.nl> <87ps2ypox3.fsf@oxford.xeocode.com> User-Agent: Thunderbird 1.5.0.4 (Macintosh/20060516) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200707/146 X-Sequence-Number: 25830 Gregory Stark wrote: > What filesystem is this? Ext3 on Fedora Linux. > Some filesystems are notoriously slow at deleting > large files. The mythtv folk who face this problem regularly recommend either > JFS or XFS for this purpose. That's a remarkable advice, because XFS is known to be slow at creating and deleting files, see and . Regards, Adriaan van Os