Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 1B5556501C6 for ; Mon, 21 Jul 2008 17:02:22 -0300 (ADT) Received: from postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 66626-02-4 for ; Mon, 21 Jul 2008 17:02:13 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mk-outboundfilter-4.mail.uk.tiscali.com (mk-outboundfilter-4.mail.uk.tiscali.com [212.74.114.32]) by postgresql.org (Postfix) with ESMTP id 5B7CE6501F6 for ; Mon, 21 Jul 2008 17:01:58 -0300 (ADT) X-Trace: 113989773/mk-outboundfilter-2.mail.uk.tiscali.com/F2S/$F2S-NILDRAM-ACCEPTED/f2s-temporary-group/85.211.229.155 X-SBRS: None X-RemoteIP: 85.211.229.155 X-IP-MAIL-FROM: simon@2ndquadrant.com X-IP-BHB: Once X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvoAAI+IhEhV0+Wb/2dsb2JhbAAIr1M X-IronPort-AV: E=Sophos;i="4.31,225,1215385200"; d="scan'208";a="113989773" X-IP-Direction: IN Received: from 85-211-229-155.dyn.gotadsl.co.uk (HELO [192.168.0.3]) ([85.211.229.155]) by smtp.f2s.tiscali.co.uk with ESMTP; 21 Jul 2008 21:01:56 +0100 Subject: Re: [HACKERS] Hint Bits and Write I/O From: Simon Riggs To: Pavan Deolasee Cc: List pgsql-patches In-Reply-To: <2e78013d0807202306t21ff41a9q53673dc9a48bf859@mail.gmail.com> References: <1211916951.4489.232.camel@ebony.site> <15901.1211931165@sss.pgh.pa.us> <1213797209.9468.126.camel@ebony.site> <87hcbfq71p.fsf@oxford.xeocode.com> <1214578938.3845.423.camel@ebony.site> <1214865781.3845.525.camel@ebony.site> <2e78013d0807202306t21ff41a9q53673dc9a48bf859@mail.gmail.com> Content-Type: text/plain Date: Mon, 21 Jul 2008 21:08:11 +0100 Message-Id: <1216670891.3894.34.camel@ebony.2ndQuadrant> Mime-Version: 1.0 X-Mailer: Evolution 2.12.0 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=none X-Spam-Level: X-Archive-Number: 200807/212 X-Sequence-Number: 6906 On Mon, 2008-07-21 at 11:36 +0530, Pavan Deolasee wrote: > I think we should try at least one or two possible optimizations and > get some numbers before we jump and make substantial changes to the > code. You know you're suggesting months of tests and further discussion. :-( I'll fix the bug, but I'm not doing any more on this now till feature freeze. It's the wrong time to chase mirages. Thanks for checking my logic. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support