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) authz_host_module (shared) authz_user_module (shared) autoindex_module (shared) cgid_module (shared) dbd_module (shared) deflate_module (shared) dir_module (shared) env_module (shared) expires_module (shared) filter_module (shared) headers_module (shared) include_module (shared) log_config_module (shared) logio_module (shared) mime_module (shared) mime_magic_module (shared) negotiation_module (shared) rewrite_module (shared) setenvif_module (shared) ssl_module (shared) status_module (shared) unique_id_module (shared) usertrack_module (shared) php5_module (shared) 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 # uname -a Linux mcpweb2 2.6.31-xen-r10 #1 SMP Sat Nov 27 14:17:17 UTC 2010 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 On 31/01/11 16:53, Dave Barton wrote: > Hi, > > We've recently had a pretty large increase in the usage of one of our > Wordpress-powered sites. I'm seeing some very odd behaviour and I'm at a > loss as to how to investigate it further. Some of the apache processes > are spawning children with broken CPU usage and time stats (as shown by > ps auxf). I think it might be best just to show some examples; > > root 3153 0.0 0.4 304688 12960 ? Ss 15:26 0:00 > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 3155 0.0 0.1 215864 3816 ? S 15:26 0:00 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 12135 129895172 4.0 542620 127208 ? Sl 16:33 21114987:41 > \_ /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 12353 10.6 4.0 729908 127676 ? Sl 16:34 1:20 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 12875 11.1 3.8 773840 121116 ? Sl 16:36 1:09 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 13222 9.1 4.1 845240 130568 ? Sl 16:38 0:49 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 13445 10.5 3.6 725956 114972 ? Sl 16:39 0:50 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 13582 9.4 3.5 792056 112884 ? Sl 16:39 0:42 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 14148 9.2 3.4 724848 107920 ? Sl 16:42 0:27 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 14253 290358163 3.4 709912 108308 ? Sl 16:42 21133796:09 > \_ /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 14287 431815 3.5 717512 110180 ? Sl 16:42 19215:48 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 14356 9.5 3.5 722780 111908 ? Sl 16:43 0:24 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 14392 324909060 3.9 735640 123796 ? Sl 16:43 21133795:59 > \_ /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 14418 9.6 4.0 781036 128604 ? Sl 16:43 0:21 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 14952 11.8 2.8 709736 91072 ? Sl 16:46 0:07 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 15294 8.4 2.5 761932 80584 ? Sl 16:46 0:02 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 15329 90923337 2.3 695200 73448 ? Sl 16:46 21153009:43 > \_ /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 15364 7.8 2.3 683200 74408 ? Sl 16:46 0:01 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 15371 9.3 2.3 694896 74564 ? Sl 16:46 0:02 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > apache 15423 15.8 2.3 755896 74888 ? Sl 16:47 0:02 \_ > /usr/sbin/apache2 -D SSL -D PHP5 -D STATUS -d /usr/lib64/apache2 -f > /etc/apache2/httpd.conf -k start > > The apache server-status page shows these up as processing requests > correctly (state K, C or R) but with improbably high values in the CPU > column. > > If anyone has any ideas where I can start looking (or can just tell me > how to fix it!) it would be greatly appreciated. > > Cheers
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