大多数文件系统都通过缓冲区缓存来相互通信，这种缓存通过缓存最近使用的数据来优化对物理设备的访问。
Most of the file systems communicate through a buffer cache, which is a cache that optimizes access to the physical devices by caching recently touched data.
在一个优化的网站上，这个磁盘卸载文件会完全存储在文件系统缓存中，它位于RAM之外。
In a well-tuned site, this disk offload file fits entirely into the file system cache, and is served out of RAM.
其他节省带宽的技术包括：加速页面加载的缓存技术、优化解析文本格式的XML文件的时间，以及将XML文件编译成二进制文件(不可读的)。
Other techniques to conserve bandwidths include: caching techniques to speed up page loads, optimizing time to parse text-formatted XML files, and compiling XML files as a binary file (unreadable).
虽然实现操作码缓存是性能改进的一大创举，不过也有大量其他优化选项可供您基于php.ini文件中的设置优化您的 PHP设置。
While implementing an opcode cache is a big bang for performance improvement, there are a number of other tweaks you can do to optimize your PHP setup, based upon the settings in your php.ini file.
在AIXVersion 5.3中，更改lru_file_repage参数是一种更加有效的优化方法，因为您希望不要使用AIX文件缓存。
With AIX Version 5.3, changing the lru_file_repage parameter is a far more effective way of tuning, as you would prefer AIX file caching not be used at all.
在AIXVersion 5.3中，更改lru_file_repage参数是一种更加有效的优化方法，因为您希望不要使用AIX文件缓存。
With AIX Version 5.3, changing the lru_file_repage parameter is a far more effective way of tuning, as you would prefer AIX file caching not be used at all.
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