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iozone

Posted by: JiaLiang Liao in Linux | Shell 11 years, 7 months ago

增大系统缓存

系统读写文件时，会将文件缓存在Buffer Cache中。因此测试时文件大小一定要大于Buffer Cache，有些操作系统的Buffer Cache是动态分配的，所以最好指定文件大小是内存的2倍。

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