From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS14383 205.234.109.0/24 X-Spam-Status: No, score=-0.5 required=5.0 tests=AWL,MSGID_FROM_MTA_HEADER, RP_MATCHES_RCVD shortcircuit=no autolearn=unavailable version=3.3.2 Path: news.gmane.org!not-for-mail From: Eric Wong Newsgroups: gmane.comp.lang.ruby.unicorn.general Subject: Re: Unicorn and HAProxy, 500 Internal errors after checks Date: Thu, 2 Dec 2010 17:41:30 +0000 Message-ID: <20101202174130.GB24132@dcvr.yhbt.net> References: <20101201165207.GC12001@dcvr.yhbt.net> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1291316152 23008 80.91.229.12 (2 Dec 2010 18:55:52 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 2 Dec 2010 18:55:52 +0000 (UTC) To: unicorn list Original-X-From: mongrel-unicorn-bounces@rubyforge.org Thu Dec 02 19:55:44 2010 Return-path: Envelope-to: gclrug-mongrel-unicorn@m.gmane.org X-Original-To: mongrel-unicorn@rubyforge.org Delivered-To: mongrel-unicorn@rubyforge.org Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) X-BeenThere: mongrel-unicorn@rubyforge.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: mongrel-unicorn-bounces@rubyforge.org Errors-To: mongrel-unicorn-bounces@rubyforge.org Xref: news.gmane.org gmane.comp.lang.ruby.unicorn.general:778 Archived-At: Received: from rubyforge.org ([205.234.109.19]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1POEJi-00059s-Tb for gclrug-mongrel-unicorn@m.gmane.org; Thu, 02 Dec 2010 19:55:43 +0100 Received: from rubyforge.org (rubyforge.org [127.0.0.1]) by rubyforge.org (Postfix) with ESMTP id 93EFA1858370; Thu, 2 Dec 2010 13:55:41 -0500 (EST) Received: from dcvr.yhbt.net (dcvr.yhbt.net [64.71.152.64]) by rubyforge.org (Postfix) with ESMTP id B919A185834E for ; Thu, 2 Dec 2010 12:41:30 -0500 (EST) Received: from localhost (unknown [127.0.2.5]) by dcvr.yhbt.net (Postfix) with ESMTP id 462161F97A; Thu, 2 Dec 2010 17:41:30 +0000 (UTC) Pierre wrote: > On Wed, Dec 1, 2010 at 5:52 PM, Eric Wong wrote: > > Also, I > > can not recommend HAProxy unless you're certain all your clients are on > > a LAN and can be trusted to never trickle uploads nor reading large > > responses. > > While I understand that uploads are very complicated to handle on the > stack (even nginx can be confused at upload sometimes), HAProxy proved > it was very good at managing tons of connections and high volume > traffic from the Internet. All the more so as it allows a very high > level of redundancy at a very small cost that cannot be achieved > simply otherwise. Do you have any pointers about your worrying > non-recommendation of HAProxy ? On a related note, LWN has a new article[1] explaining the large body POST problem (more than a year since Slowloris, and ~3 years after the largely-unknown david[2]). [1] http://lwn.net/Articles/418017/ (subscribers) http://lwn.net/SubscriberLink/418017/1e63e408f34b5d68/ (non-subscribers) [2] http://git.bogomips.org/cgit/david.git -- Eric Wong _______________________________________________ Unicorn mailing list - mongrel-unicorn@rubyforge.org http://rubyforge.org/mailman/listinfo/mongrel-unicorn Do not quote signatures (like this one) or top post when replying