From oracle-l-bounce@freelists.org Thu Mar 3 14:07:41 2005 Return-Path: Received: from air891.startdedicated.com (root@localhost) by orafaq.com (8.12.10/8.12.10) with ESMTP id j23K7fmi024703 for ; Thu, 3 Mar 2005 14:07:41 -0600 X-ClientAddr: 206.53.239.180 Received: from turing.freelists.org (freelists-180.iquest.net [206.53.239.180]) by air891.startdedicated.com (8.12.10/8.12.10) with ESMTP id j23K7eem024697 for ; Thu, 3 Mar 2005 14:07:40 -0600 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id E53497DCCC; Thu, 3 Mar 2005 14:05:44 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 10873-09; Thu, 3 Mar 2005 14:05:44 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 6A88B7D8DE; Thu, 3 Mar 2005 14:05:44 -0500 (EST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=eTlav2RPczmdcAfwf2f76KEkqAQETa++vx9nin2KEikl87UmSojXXuivXozTmRCFTqk0UHPC+RYxAVgUcYrmuLN3KLVUs6FMlO4h54rYFXNO8MDWPth1zjRxchi76+Wn8JRzOpVliRWanowT54B2RQBEEGu/BfN3DZQmqiHj0/U= Message-ID: <910046b4050303110376c6547@mail.gmail.com> Date: Thu, 3 Mar 2005 14:03:58 -0500 From: Paul Drake To: lucdemanche@gmail.com Subject: Re: Export very slow - fixed by analyzing SYS Cc: oracle-l@freelists.org In-Reply-To: <4b36877205030310595379c026@mail.gmail.com> Mime-Version: 1.0 Content-type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit References: <4b36877205030310595379c026@mail.gmail.com> X-archive-position: 16913 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: bdbafh@gmail.com Precedence: normal Reply-To: bdbafh@gmail.com X-list: oracle-l X-Virus-Scanned: by amavisd-new-20030616-p9 (Debian) at avenirtech.net X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on air891.startdedicated.com X-Spam-Status: No, hits=0.1 required=5.0 tests=AWL autolearn=ham version=2.60 X-Spam-Level: > What should I do ? post the oracle version number, for starters. -bdbafh ---filler text to get by lameness filter--- ---filler text to get by lameness filter--- ---filler text to get by lameness filter--- On Thu, 3 Mar 2005 13:59:24 -0500, Luc Demanche wrote: > Hi gurus, > Since I switched my OPTIMIZER_MODE from choose to first_row, my export > process was very very slow .... > My export process was waiting on views like sys.exu9pdt ... I decided > then to get statistics on SYS objects . > After that, my export flies, it so fast. > Since ever, we say that we should not analyze SYS or SYSTEM objects. .... > What should I do ? > Thanks > Luc > Luc Demanche > Oracle DBA > (514) 867-9977 -- #/etc/init.d/init.cssd stop # f=ma, divide by 1, convert to moles. -- http://www.freelists.org/webpage/oracle-l