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HACK #20　使用fio进行I/O的基准测试本节介绍使用fio进行模拟各种情况的I/O基准测试的操作方法。I/O的基准测试中有无数需要考虑的因素。是I/O依次访问还是随机访问？是通过read/write的I/O？还是通过访问mmap的空间的I/O？是单一进程发出的I/O？还是多个进程同时发出的...

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