From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/42556 Path: main.gmane.org!not-for-mail From: Lars Magne Ingebrigtsen Newsgroups: gmane.emacs.gnus.general Subject: Re: db-backed mail back end Date: Fri, 25 Jan 2002 03:42:18 +0100 Organization: Programmerer Ingebrigtsen Sender: owner-ding@hpc.uh.edu Message-ID: References: NNTP-Posting-Host: coloc-standby.netfonds.no Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: main.gmane.org 1035177780 12450 80.91.224.250 (21 Oct 2002 05:23:00 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Mon, 21 Oct 2002 05:23:00 +0000 (UTC) Return-Path: Original-Received: (qmail 28680 invoked from network); 25 Jan 2002 02:43:13 -0000 Original-Received: from malifon.math.uh.edu (mail@129.7.128.13) by mastaler.com with SMTP; 25 Jan 2002 02:43:13 -0000 Original-Received: from sina.hpc.uh.edu ([129.7.128.10] ident=lists) by malifon.math.uh.edu with esmtp (Exim 3.20 #1) id 16TwKE-0003wF-00; Thu, 24 Jan 2002 20:42:46 -0600 Original-Received: by sina.hpc.uh.edu (TLB v0.09a (1.20 tibbs 1996/10/09 22:03:07)); Thu, 24 Jan 2002 20:42:42 -0600 (CST) Original-Received: from sclp3.sclp.com (qmailr@sclp3.sclp.com [209.196.61.66]) by sina.hpc.uh.edu (8.9.3/8.9.3) with SMTP id UAA19833 for ; Thu, 24 Jan 2002 20:42:26 -0600 (CST) Original-Received: (qmail 28671 invoked by alias); 25 Jan 2002 02:42:24 -0000 Original-Received: (qmail 28666 invoked from network); 25 Jan 2002 02:42:24 -0000 Original-Received: from ingebrigtsen.no (HELO quimby2.netfonds.no) (195.204.10.66) by gnus.org with SMTP; 25 Jan 2002 02:42:24 -0000 Original-Received: from news by quimby2.netfonds.no with local (Exim 3.12 #1 (Debian)) id 16TwLc-0005sT-00 for ; Fri, 25 Jan 2002 03:44:12 +0100 Original-To: ding@gnus.org Original-Path: not-for-mail Original-Newsgroups: gnus.ding Original-Lines: 24 Original-NNTP-Posting-Host: quimbies.gnus.org Original-X-Trace: quimby2.netfonds.no 1011926652 21983 195.204.10.148 (25 Jan 2002 02:44:12 GMT) Original-X-Complaints-To: usenet@quimby2.netfonds.no Original-NNTP-Posting-Date: 25 Jan 2002 02:44:12 GMT Mail-Copies-To: never X-Now-Playing: Various's _Compiled_: "Icebreaker - Melody for NATO" User-Agent: Gnus/5.090006 (Oort Gnus v0.06) Emacs/21.1 (i686-pc-linux-gnu) X-Face: d,K{uA=l;c?L"b_J2ksheX|)|Jr?|gu#b3!f(/(C8GsBD`aNd#KFu4y'~D&z67nx|)b?C[o 5<@(:W(8uM`!U9g#6C1E~!k1rRpv0;#t(zd{m2R[O*8K7*I62z0T2,aPgA_Jpc"g_Y`w4#X;dom Cancel-Lock: sha1:7gD+JHBKUbv3zaTePByqhKzr6WY= Precedence: list X-Majordomo: 1.94.jlt7 Xref: main.gmane.org gmane.emacs.gnus.general:42556 X-Report-Spam: http://spam.gmane.org/gmane.emacs.gnus.general:42556 Karl Kleinpaste writes: > You only had a 3x time factor in the case already seen, for a 200x > content increase. Why is there reason to believe that scaling up > again by a mere 10x will be substantially worse? If by some fluke you > should find a full 10x time cost for the 10x size increase of 20K->200K, > you will encounter a 4-article entry to a 200K group costing a > stunning...7.5 seconds (based on your 0.25 and 0.75 timings). Yes. And that's not acceptable. If it takes 7.5 seconds to enter a group to look at the one new article, then that's too slow. Much, much, much too slow. > I'm not trying to be difficult or argumentative. I'm just trying to > figure out what problem you're really trying to solve. So far, I see > some nebulous idea that "it's slow," without being able to qualify, > much less quantify, where the problem lies. Fact is that it's too slow. And finding out possible solutions to the problem is the reason for this thread. -- (domestic pets only, the antidote for overdose, milk.) larsi@gnus.org * Lars Magne Ingebrigtsen