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.
Iozone is useful for performing 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, pread ,mmap, aio_read, aio_write.
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