10-13-2008
lamp performance
Hi all,
My company run a CMS (typo3) on LAMP on RH linux.
Basically all users have same typo3 page as home page and thousands of users starts their browser every morning causing server very slow or even to hang (swap full because of too many apache processes)..
99% of the traffic is this home page which take 2s in a non busy time to be delivered.
I improve this time to 1.5s using php cache. Others mysql/apache tunning have so far not given me any significant improvement (I have been trhu web pages on apache/mysql tunning and test differents things).
As far I have seen mysql is ok and httpd processes are taking all cpu/mem.
My question is :
1 - As this home page (php page, 30K) in 99% of the traffic how can i improve the process not getting 1000 times the same request to my apache server.
I have no way to modify this home page policy, I can just work on the infrastructure side. I was thinking on some proxy/cache server but have no experience on that. Any efficient and open source solution ?
2 - Apart from php cache any hint to help me improve apache performance ?
I did not find anything else number of thread and related stuff in apache.
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apache(1M) System Administration Commands apache(1M)
NAME
apache - Apache hypertext transfer protocol server overview
DESCRIPTION
apache consists of a main server daemon, loadable server modules, some additional support utilities, configuration files, and documenta-
tion.
FILES
The apache HTTPD server is integrated with Solaris.
The following files specify the installation locations for apache:
/etc/apache Contains server configuration files.
A newly-installed server must be manually configured before use. Typically this involves copying httpd.conf-example
to the httpd.conf file and making local configuration adjustments.
/usr/apache/bin Contains the httpd executable as well as other utility programs.
/usr/apache/htdocs Contains the Apache manual in HTML format. This documentation is accessible by way of a link on the server test
page that gets installed upon fresh installation.
/usr/apache/include Contains the Apache header files, which are needed for building various optional server extensions with apxs(8)
/usr/apache/jserv Contains documention for the mod_jserv java servlet module. Documention can be read with a web browser using the
url:
file:/usr/apache/jserv/docs/index.html
/usr/apache/libexec Contains loadable modules (DSOs) supplied with the server. Any modules which are added using apxs(8)are also copied
into this directory.
/usr/apache/man Contains man pages for the server, utility programs, and mod_perl.
Add this directory to your MANPATH to read the Apache man pages. See NOTES.
/usr/apache/perl5 Contains the modules and library files used by the mod_perl extension to Apache.
/var/apache/cgi-bin Default location for the CGI scripts.
This can be changed by altering the httpd.conf file and restarting the server.
/var/apache/htdocs Default document root.
This can be changed by altering the httpd.conf file and restarting the server.
/var/apache/icons Icons used by the server.
This normally shouldn't need to be changed.
/var/apache/logs Contains server log files.
The formats, names, and locations of the files in this directory can be altered by various configuration directives
in the httpd.conf file.
/var/apache/proxy Directory used to cache pages if the caching feature of mod_proxy is enabled in the httpd.conf file.
The location of the cache can also be changed by changing the proxy configuration in the httpd.conf file.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWapchr |
+-----------------------------+-----------------------------+
| |SUNWapchu |
+-----------------------------+-----------------------------+
| |SUNWapchd |
+-----------------------------+-----------------------------+
SEE ALSO
attributes(5)
http://www.apache.org
NOTES
In addition to the documentation and man pages included with Solaris, more information is available at http://www.apache.org
The Apache man pages are provided with the programming modules. To view the manual pages for the Apache modules with the man command, add
/usr/apache/man to the MANPATH environment variable. See man(1) for more information. Running catman(1M) on the Apache manual pages is
not supported.
SunOS 5.10 8 Aug 2000 apache(1M)