PHP accelerator - XCache
Due to the basic features of PHP (still in the source code is always translated) is suitable for congregations Web servers use one of the available PHP accelerator. In short run, so that translated PHP script stored in the cache and when it does not call for translation, which actually reduce the burden of PHP by about 50% (the more or less, depending on the complexity of the PHP scripts). Since the new PHP 5.3 is a problem with eAcceleratorem (so far I've used it). Xcache packages in Debian, and therefore does not need to translate it to upgrade PHP.
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