X-Original-To: pgsql-general-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id BBDF655CF0 for ; Fri, 25 Feb 2005 16:14:59 +0000 (GMT) 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 14757-01 for ; Fri, 25 Feb 2005 16:14:55 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id 0540652A63 for ; Fri, 25 Feb 2005 16:14:54 +0000 (GMT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.1/8.13.1) with ESMTP id j1PGFFep005709; Fri, 25 Feb 2005 11:15:16 -0500 (EST) To: schen@graciousstyle.com Cc: postgresql-general mailing list Subject: Re: postgresql 8.0 advantages In-reply-to: <421F3926.6090201@graciousstyle.com> References: <421F3926.6090201@graciousstyle.com> Comments: In-reply-to Si Chen message dated "Fri, 25 Feb 2005 06:41:42 -0800" Date: Fri, 25 Feb 2005 11:15:15 -0500 Message-ID: <5708.1109348115@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.007 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200502/1349 X-Sequence-Number: 74153 Si Chen writes: > I read the PostgreSQL 8.0 "What's New" page > (http://www.postgresql.org/docs/whatsnew) and wasn't sure whether > version 8.0 is significantly faster, more scalability, or more stable > than versions 7.4? I remember big speed improvements between 7.3 and > 7.4. It seems the biggest advantage of version 8.0 is being able to run > in Windows. There are some speed improvements in 8.0 too, though that wasn't the main focus of the release cycle. For instance, Lonni Friedman's nearby thread reports on a case where 8.0 consistently finds a much better query plan for a complex query than prior releases did, because we fixed some issues in the GEQO planner module. regards, tom lane