Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id BFE1413364DE for ; Sun, 30 Jan 2011 17:31:35 -0400 (AST) 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 89943-03 for ; Sun, 30 Jan 2011 21:31:29 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mail-iw0-f174.google.com (mail-iw0-f174.google.com [209.85.214.174]) by mail.postgresql.org (Postfix) with ESMTP id 040331337B7A for ; Sun, 30 Jan 2011 17:31:27 -0400 (AST) Received: by iwn9 with SMTP id 9so4803761iwn.19 for ; Sun, 30 Jan 2011 13:31:27 -0800 (PST) Received: by 10.231.38.2 with SMTP id z2mr5616405ibd.142.1296423087177; Sun, 30 Jan 2011 13:31:27 -0800 (PST) Received: from me-pc.lan (24-183-96-71.dhcp.mdsn.wi.charter.com [24.183.96.71]) by mx.google.com with ESMTPS id z4sm17258516ibg.13.2011.01.30.13.31.25 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sun, 30 Jan 2011 13:31:26 -0800 (PST) Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes To: pgsql-performance@postgresql.org Subject: Re: Any experience using "shake" defragmenter? References: <4D45C607.4070101@vmsinfo.com> Date: Sun, 30 Jan 2011 15:31:26 -0600 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: "Mark Felder" Message-ID: In-Reply-To: <4D45C607.4070101@vmsinfo.com> User-Agent: Opera Mail/11.01 (Win32) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-2.6 tagged_above=-10 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7 X-Spam-Level: X-Archive-Number: 201101/337 X-Sequence-Number: 42124 On Sun, 30 Jan 2011 14:11:51 -0600, Mladen Gogala wrote: > Did anyone try using "shake" while the cluster is active? Any problems > with corruption or data loss? I ran the thing on my home directory and > nothing was broken. I didn't develop any performance test, so cannot > vouch for the effectiveness of the procedure. Did anyone play with that? > Any positive or negative things to say about shake? > Why do you feel the need to defrag your *nix box? Regards, Mark