一 IOZone 2009.09.29
参考：
IOzone is a filesystem benchmark tool. The benchmark generates and measures a variety of file operations.
Iozone has been ported to many machines and runs under many operating systems. This document will
cover the many different types of operations that are tested as well as coverage of all of the command line
options.
Iozone is useful for determining a broad filesystem analysis of a vendor’s computer platform. The
benchmark tests file I/O performance for the following operations.
Read, write, re-read, re-write, read backwards, read strided, fread, fwrite, random read/write,
pread/pwrite variants, aio_read, aio_write, mmap,
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