FAQ Increase Performance: Difference between revisions

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== PHP OPCODE cache ==
== PHP OPCODE cache ==
Efficiency: ****
Efficiency: *** (if php < 7.0, useless for PHP 7.0+)


Principe: Install an apache/php module that save PHP pages compilation result into a cache. Each page access will be then faster.
Principe: If you use an old PHP version, install an apache/php module that save PHP pages compilation result into a cache. Each page access will be faster. Xcache is the recommended solution.
For this, you can install any [http://en.wikipedia.org/wiki/List_of_PHP_accelerators PHP accelarator]. xcache is one of the recommanded solution.
Note that caching occurs here on a different level than [[Module MemCached]], so gains are cumulative !
Note that caching occurs here on a different level than [[Module MemCached]], so gains are cumulative !


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