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apache crashing

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http://serverfault.com – Please help with some ideas about this Apache server crash: Here is my MPM config and errors <IfModule prefork.c> StartServers 5 MinSpareServers 30 MaxSpareServers 40 ServerLimit 950 MaxClients 950 MaxRequestsPerChild 2000 </IfModule> [Sun Sep 09 03:08:03 2012] [notice] Apache/2.2.15 (Unix) DAV/2 PHP/5.3.16 mod_ssl/2.2.15 OpenSSL/1.0.0-fips configured -- resuming normal operations [Mon Sep 10 17:26:47 2012] [error] [mod_pagespeed 0.10.22.4-1633 @5088] [0910/172647:ERROR:worker.cc(120)] Unable to start worker thread [Mon Sep 10 17:26:48 2012] [error] [mod_p (HowTos)

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Submitted by taskli on 09/11/2012

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Hi, My webserver has 16GB of RAM and CentOS 5.5, Apache 2.2.3, It's shared webserver used of for webhosting.

I'm trying to optimize our web servers to handle as much connections as possible. I read a many posts and the Apache notes. I'm trying to understand which value should I choose for MaxRequestsPerChild.

At first, I've tried setting it to 4,000, but the server had difficulties handling many request, so I've started raising it.

Our production uses 10 web servers behind a load balancer. Every one hour a logrotate runs and copy truncates the log file. During that time, we find number of apache open process decreases and number of process waiting for connection increases. Could I know how all these 3 parameters are related?

I have an Arch Linux server that used to use Python 2.7.3 just fine with Apache and mod_wsgi-3.4-2. I have both Python 2.7.3 and 3.3.0 installed on the server, and both executables are located in /usr/bin. Recently it has started to use Python 3. I need Apache to go back to using Python 2.7.

I have used Eayapache via cPanel WHM to rebuild Apache with PHP 5.4.7 (upgrading from 5.3.17)

All went well during the rebuild.

Apache is throwing this error:[Mon Sep 17 23:38:54 2012] [notice] Apache/2.2.22 (Unix) mod_ssl/2.2.22 OpenSSL/1.0.1b DAV/2 PHP/5.4.7 mod_perl/2.0.7 Perl/v5.16.1 configured -- resuming normal operations[Mon Sep 17 23:40:22 2012] [notice] SIGHUP received.  Attempting to restart[Mon Sep 17 23:40:22 2012] [warn] module ssl_module is already loaded, skipping[Mon Sep 17 23:40:24 2012] [notice] Dige

I have used Eayapache via cPanel WHM to rebuild Apache with PHP 5.4.7 (upgrading from 5.3.17)

All went well during the rebuild.

Apache: how to use more RAM? 9 weeks 6 hours ago

Conf.: Gentoo 2006 64b; Apache 2.2; Myqsl 5.0; PHP 5.2; 5.5 Go of RAM available

Nothing's crashing but the website installed is slow. The number of requests/second is low too, around 7/s.

How to use the 5.5 Go of RAM available to make the website faster (with Apache or MySQL or PHP)?

I am trying to load test an amazon centos instance sitting behind the amazon loadbalancer.

The application is written on php and uses the elastic cache and media is stored in s3 bucket.

When the server gets more than 1000 concurrent requests its starts giving "Apache interanl dummy connection" and the pages dont load when tried externally, even though the load uptime metric does not go beyond 1.