Return-Path: Delivered-To: apmail-httpd-users-archive@www.apache.org Received: (qmail 68720 invoked from network); 1 Feb 2011 14:30:10 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 1 Feb 2011 14:30:10 -0000 Received: (qmail 71561 invoked by uid 500); 1 Feb 2011 14:30:06 -0000 Delivered-To: apmail-httpd-users-archive@httpd.apache.org Received: (qmail 71321 invoked by uid 500); 1 Feb 2011 14:30:02 -0000 Mailing-List: contact users-help@httpd.apache.org; run by ezmlm Precedence: bulk Reply-To: users@httpd.apache.org list-help: list-unsubscribe: List-Post: List-Id: Delivered-To: mailing list users@httpd.apache.org Received: (qmail 71312 invoked by uid 99); 1 Feb 2011 14:30:01 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 01 Feb 2011 14:30:01 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of i.galic@brainsware.org designates 188.40.115.121 as permitted sender) Received: from [188.40.115.121] (HELO mail.brainsware.org) (188.40.115.121) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 01 Feb 2011 14:29:55 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.brainsware.org (Postfix) with ESMTP id 0BCAC1DE2E6 for ; Tue, 1 Feb 2011 14:29:34 +0000 (UTC) X-Virus-Scanned: amavisd-new at brainsware.org Received: from mail.brainsware.org ([127.0.0.1]) by localhost (mail.brainsware.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id U36ustpz78Bg for ; Tue, 1 Feb 2011 14:29:32 +0000 (UTC) Received: from mail.brainsware.org (mail.brainsware.org [188.40.115.121]) by mail.brainsware.org (Postfix) with ESMTP id 1F52C1DE293 for ; Tue, 1 Feb 2011 14:29:32 +0000 (UTC) Date: Tue, 1 Feb 2011 14:29:32 +0000 (UTC) From: =?utf-8?Q?Igor_Gali=C4=87?= To: users@httpd.apache.org Message-ID: <1763732826.926.1296570572000.JavaMail.root@iris> In-Reply-To: <1837841075.924.1296570404644.JavaMail.root@iris> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [195.72.132.1] X-Mailer: Zimbra 6.0.5_GA_2213.DEBIAN5_64 (ZimbraWebClient - FF3.0 ([unknown])/6.0.5_GA_2213.DEBIAN5_64) Subject: Re: [users@httpd] Apache spawning "broken" sub-processes under load ----- "Dave Barton" wrote: > Hi, >=20 > To answer the questions from the other email first; >=20 > >>Which version of WP? > >>Did you make -- recently -- any changes? Upgrade, install new > plugins? > >>Did you traffic spontaneously increase? >=20 > It's an old version (2.7) but I'm not sure how much of an option an > upgrade is. I'll have to raise it with our developers. I don't see my questions actually answered :-/ Did anything change? Or did you just suddenly start monitoring the system and realized you've got a=20 > >>Given the line-breaks it's *really* hard to read what you mean :-/ >=20 > Sorry :( I would love to present to you the `ps -o` option. Along with -u they are powerful tools. > >>Are you running this in a Zone/Container/Jail/Vz/blah >=20 > The WordPress installation is running as an Apache vhost on a Xen > virtual machine. The VM is only used for Apache and doesn't run > anything > else (except stuff like ntpd and snmpd of course). As with any virtualization, I'd run ntpd on the Xen host only. > Other answers are in-line below. Thanks for trying to help me out! :) >=20 > Dave >=20 > On 31/01/11 18:28, Igor Gali=C4=87 wrote: > >=20 > > ----- "Dave Barton" wrote: > >=20 > >> Should really have included this; > >> > >> # apache2 -v > >> Server version: Apache/2.2.14 (Unix) > >> Server built: Jan 29 2010 12:34:06 > >> > >> # apache2ctl modules > >> [Mon Jan 31 17:29:24 2011] [warn] module status_module is already > >> loaded, skipping > >> Loaded Modules: > >> core_module (static) > >> mpm_worker_module (static) > >> http_module (static) > >> so_module (static) > >> alias_module (shared) > >> auth_basic_module (shared) > >> authn_alias_module (shared) > >> authn_anon_module (shared) > >> authn_default_module (shared) > >> authn_file_module (shared) > >> authz_groupfile_module (shared) > >=20 > > Do you really need all these modules? > > Take a look at: http://httpd.apache.org/docs/current/mod/ > > To see which you can safely remove. >=20 > Looking into that now, thanks for the tip. Likewise you should probably look into what PHP extensions you're loading and which you're actually using. > > [snip] > >> info_module (shared) > >> > >> # php -v > >> PHP 5.2.12-pl0-gentoo (cli) (built: Jan 26 2010 16:48:31) > >> Copyright (c) 1997-2009 The PHP Group > >> Zend Engine v2.2.0, Copyright (c) 1998-2009 Zend Technologies > >=20 > > Are you running PHP with APC or a different accelerator? If not, > > you should a) consider it, and b) be aware that WP has some issues > > with these.. >=20 > We're not running any accelerator with PHP. The traffic levels for > this > site are generally so low that it's not an issue and they can be more > trouble than they are worth. My experience tends to be vice verse. I guess everyone is entitled to their own opinion, given their experiences ;) =20 > >> # uname -a > >> Linux mcpweb2 2.6.31-xen-r10 #1 SMP Sat Nov 27 14:17:17 UTC 2010 duh. Should've seen it's Xen. Anyway. It=20 > >> x86_64 > >> Intel(R) Xeon(R) CPU E5530 @ 2.40GHz GenuineIntel GNU/Linux > >> > >> If anything else is needed, please let me know. > >> > >> Cheers > >> > >> Dave Barton > >> Senior Systems Administrator > >> Comodo CA Ltd > >=20 > > i i --=20 Igor Gali=C4=87 Tel: +43 (0) 664 886 22 883 Mail: i.galic@brainsware.org URL: http://brainsware.org/ --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See for more info. To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org " from the digest: users-digest-unsubscribe@httpd.apache.org For additional commands, e-mail: users-help@httpd.apache.org