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: Strange quit behavior Date: Tue, 2 Aug 2011 14:53:35 -0700 Message-ID: <20110802215335.GA11745@dcvr.yhbt.net> References: 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 1312323160 17576 80.91.229.12 (2 Aug 2011 22:12:40 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 2 Aug 2011 22:12:40 +0000 (UTC) Cc: James Cox To: unicorn list Original-X-From: mongrel-unicorn-bounces@rubyforge.org Wed Aug 03 00:12:35 2011 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/1.5.21 (2010-09-15) 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:1074 Archived-At: Received: from rubyforge.org ([205.234.109.19]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1QoNCS-0002Ew-PD for gclrug-mongrel-unicorn@m.gmane.org; Wed, 03 Aug 2011 00:12:32 +0200 Received: from rubyforge.org (rubyforge.org [127.0.0.1]) by rubyforge.org (Postfix) with ESMTP id 2FC271D780FA; Tue, 2 Aug 2011 18:12:32 -0400 (EDT) Received: from dcvr.yhbt.net (dcvr.yhbt.net [64.71.152.64]) by rubyforge.org (Postfix) with ESMTP id 2FA431858376 for ; Tue, 2 Aug 2011 17:53:35 -0400 (EDT) Received: from localhost (dcvr.yhbt.net [127.0.0.1]) by dcvr.yhbt.net (Postfix) with ESMTP id 372E821014; Tue, 2 Aug 2011 21:53:35 +0000 (UTC) James Cox wrote: > Hey, > > So here are some tasks for managing unicorn: > > https://gist.github.com/1121076 Can we ignore the :restart task? It's a bit fragile since it doesn't wait for the old process to die (SIGTERM means kill-as-quickly-as-possible, but given a loaded system it can still take some time). > I've found that it's very unreliable for quitting / terminating > unicorn and restarting with new code. When doing rapid deployments > particularly, i've found that i have to go in and kill -9 the master > process, and start again. If you SIGQUIT/SIGTERM before the app is loaded, the signal could be ignored. This behavior should probably change... > any thoughts on why it seems ineffective? > > Thanks. Which version of Unicorn are you using? I recall some minor tweaks to avoid/minimize race conditions over the years so maybe some are fixed. > PS: here's the unicorn config: > > https://gist.github.com/0dd07c5ad00c56d161c7 Avoid the top piece of the before_fork hook to TTOU workers, it's needlessly complex for most deployments unless you're really memory-constrained. -- 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