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June 2008
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Improving static page performace using Apache mod_file_cache

You need to use mod_file_cache which can cache frequently requested files that change very infrequently is a technique for reducing server load. mod_file_cache provides two techniques for caching frequently requested static files. These techniques reduce server load when processing requests for these files by doing part of the work (specifically, the file I/O) for serving the file when the server is started rather than during each request.

WARNING! You cannot use this moule for speeding up CGI / php / perl / python dynamic programs. It can only be used for regular files which are usually served by the Apache core content handler.

How do I configure mod_file_cache?

Open your httpd.conf file, enter:

# vi httpd.conf

To cache index.html and faqs.html, enter:

MMapFile /var/www/domain.com/index.html
MMapFile /var/www/domain.com/faqs.html

How do I cache all static files in a directory called /kb/?

Try the following code to get listing of all files:

# find /var/www/domain.com/kb/ -type f -print | sed -e 's/.*/mmapfile &/' > /etc/httpd/conf.d/mmap.conf

Now open httpd.conf file, using the Include directive:

Include /etc/httpd/conf.d/mmap.conf

Save and close the file. Restart httpd:

# service httpd restart


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