X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 207F1D725F for ; Tue, 23 Aug 2005 23:10:58 -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 02461-02 for ; Wed, 24 Aug 2005 02:10:56 +0000 (GMT) Received: from davinci.ethosmedia.com (server227.ethosmedia.com [209.128.84.227]) by svr1.postgresql.org (Postfix) with ESMTP id D6914D71FC for ; Tue, 23 Aug 2005 23:10:49 -0300 (ADT) X-EthosMedia-Virus-Scanned: no infections found Received: from [63.195.55.98] (account josh@agliodbs.com HELO spooky) by davinci.ethosmedia.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 7919635; Tue, 23 Aug 2005 19:13:11 -0700 From: Josh Berkus Organization: Aglio Database Solutions To: pgsql-performance@postgresql.org Subject: Re: Caching by Postgres Date: Tue, 23 Aug 2005 19:11:58 -0700 User-Agent: KMail/1.8 Cc: PFC , "William Yu" References: <20050823171045.12112.qmail@web51309.mail.yahoo.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Message-Id: <200508231911.59100.josh@agliodbs.com> X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.011 required=5 tests=[AWL=0.011] X-Spam-Level: X-Archive-Number: 200508/366 X-Sequence-Number: 14113 PFC, > =A0=A0=A0=A0=A0=A0=A0=A0Now, Hans Reiser has expressed interest on the Re= iserFS list in > tweaking =A0 his Reiser4 especially for Postgres. In his own words, he wa= nts > a "Killer app for reiser4". Reiser4 will offser transactional semantics v= ia > a special reiser4 syscall, so it might be possible, with a minimum of > changes to postgres (ie maybe just another sync mode besides fsync, > fdatasync et al) to use this. Other interesting details were exposed on t= he > reiser list, too (ie. a transactional filesystems can give ACID guarantees > to postgres without the need for fsync()). Really? Cool, I'd like to see that. Could you follow up with Hans? Or g= ive=20 me his e-mail? =2D-=20 Josh Berkus Aglio Database Solutions San Francisco