Received: from localhost (unknown [200.46.204.183]) by developer.postgresql.org (Postfix) with ESMTP id B561C2E003A for ; Fri, 25 Apr 2008 18:33:05 -0300 (ADT) Received: from developer.postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 13928-02 for ; Fri, 25 Apr 2008 18:33:02 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by developer.postgresql.org (Postfix) with ESMTP id 95C392E005C for ; Fri, 25 Apr 2008 18:33:02 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id m3PLWxEd000866; Fri, 25 Apr 2008 17:33:00 -0400 (EDT) To: Robert Treat cc: Alvaro Herrera , pgsql-performance@postgresql.org Subject: Re: Re: [HACKERS] [COMMITTERS] pgsql: Fix TransactionIdIsCurrentTransactionId() to use binary search In-reply-to: <200804251724.48705.xzilla@users.sourceforge.net> References: <20080317021856.0D2D37558DC@cvs.postgresql.org> <200804211229.00871.xzilla@users.sourceforge.net> <20080421165424.GC14464@alvh.no-ip.org> <200804251724.48705.xzilla@users.sourceforge.net> Comments: In-reply-to Robert Treat message dated "Fri, 25 Apr 2008 17:24:47 -0400" Date: Fri, 25 Apr 2008 17:32:59 -0400 Message-ID: <865.1209159179@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200804/368 X-Sequence-Number: 29861 Robert Treat writes: > Oddly some dtrace profiling gave me this, which is pretty different, but > certainly doesn't have concerns about TransactionIdIsCurrentTransactionId ... which seems to pretty much destroy your thesis, no? regards, tom lane