From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.176.0/21 X-Spam-Status: No, score=-3.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MSGID_FROM_MTA_HEADER,RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 From: "H. Peter Anvin" Subject: Re: kernel.org mirroring (Re: [GIT PULL] MMC update) Date: Sat, 09 Dec 2006 23:05:07 -0800 Message-ID: <457BB1A3.2070408@zytor.com> References: <46a038f90612081756w1ab4609epcb4a2cbd9f4d8205@mail.gmail.com> <200612091251.16460.jnareb@gmail.com> <457AAF31.2050002@garzik.org> <46a038f90612091955i5bdd6e85l749a2f511f27953@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit NNTP-Posting-Date: Sun, 10 Dec 2006 07:05:57 +0000 (UTC) Cc: Jeff Garzik , Jakub Narebski , Git Mailing List , Linus Torvalds , Rogan Dawes , Kernel Org Admin Return-path: Envelope-to: gcvg-git@gmane.org User-Agent: Thunderbird 1.5.0.8 (X11/20061107) In-Reply-To: <46a038f90612091955i5bdd6e85l749a2f511f27953@mail.gmail.com> X-Virus-Scanned: ClamAV 0.88.6/2312/Sat Dec 9 10:46:45 2006 on terminus.zytor.com X-Virus-Status: Clean Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: Received: from vger.kernel.org ([209.132.176.167]) by dough.gmane.org with esmtp (Exim 4.50) id 1GtIkx-0004XO-Au for gcvg-git@gmane.org; Sun, 10 Dec 2006 08:05:51 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760316AbWLJHFg (ORCPT ); Sun, 10 Dec 2006 02:05:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760318AbWLJHFg (ORCPT ); Sun, 10 Dec 2006 02:05:36 -0500 Received: from terminus.zytor.com ([192.83.249.54]:55468 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760309AbWLJHFf (ORCPT ); Sun, 10 Dec 2006 02:05:35 -0500 Received: from [172.27.0.16] (c-67-180-238-27.hsd1.ca.comcast.net [67.180.238.27]) (authenticated bits=0) by terminus.zytor.com (8.13.8/8.13.7) with ESMTP id kBA758GC009226 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 9 Dec 2006 23:05:08 -0800 To: Martin Langhoff Sender: git-owner@vger.kernel.org Martin Langhoff wrote: > On 12/10/06, Jeff Garzik wrote: >> > P.S. Can anyone post some benchmark comparing gitweb deployed under >> > mod_perl as compared to deployed as CGI script? Does kernel.org use >> > mod_perl, or CGI version of gitweb? >> >> CGI version of gitweb. >> >> But again, mod_perl vs. CGI isn't the issue. > > IO is the issue, and the CGI startup of Perl is quite IO & CPU > intensive. Even if the caching headers, thundering herds and planet > collisions are resolved, I don't think you'll ever be happy with IO > and CPU load on kernel.org running gitweb as CGI. > I/O - nonexistent; that stuff will be in memory. CPU - we have more CPU than you can shake a stick at, and it's 95+% idle. *NOT AN ISSUE*.