Cache Meta Language is a computer programming language

Programming language

A programming language is an artificial language designed to communicate instructions to a machine, particularly a computer. Programming languages can be used to create programs that control the behavior of a machine and/or to express algorithms precisely....

 used to configure high-speed caching functionality in web server

Web server

Web server can refer to either the hardware or the software that helps to deliver content that can be accessed through the Internet....

 software such as lighttpd

Lighttpd

lighttpd is an open-source web server more optimized for speed-critical environments than common products while remaining standards-compliant, secure and flexible...

, which couples the functionality with that of memcache, a memory-based caching system.

The lighttpd module that supported CML is now considered deprecated (2007), however its documentation claimed over 16x speed increase compared to performing similar caching in PHP

PHP

PHP is a general-purpose server-side scripting language originally designed for web development to produce dynamic web pages. For this purpose, PHP code is embedded into the HTML source document and interpreted by a web server with a PHP processor module, which generates the web page document...

.

External links

• mod_cml Documentation on the official lighttpd site.