IOzone explained

IOzone is a file system benchmark utility.^{[1] [2]} Originally made by William Norcott, further enhanced by Don Capps and others.

Source code is available from iozone.org. It does mmap file I/O and uses POSIX Threads.

It won the 2007 Infoworld Bossie Awards for Best file I/O tool.^{[3] [4]}

The Windows version of IOzone uses Cygwin. Builds are available for AIX, BSDI, HP-UX, IRIX, FreeBSD, Linux, OpenBSD, NetBSD, OSFV3, OSFV4, OSFV5, SCO OpenServer, Solaris, Mac OS X, Windows (95/98/Me/NT/2K/XP).

It is available as a test profile in the Phoronix Test Suite.^[5]

External links

• • • Documentation

Notes and References

1. Book: Olker , Dave . Optimizing NFS Performance: Tuning and Troubleshooting NFS on HP-UX Systems. 1st. 2002-09-13. Prentice Hall. Upper Saddle River, New Jersey. 0-13-042816-7. 24–26. Local Filesystem Considerations: iozone. iozone is one of the more sophisticated filesystem performance benchmark utilities available..
2. Web site: IOzone for filesystem performance benchmarking. 2009-10-15. Martin. Ben. 2008-07-03. Linux.com.
3. Web site: Best of open source in storage. 2009-10-15. Venezia. Paul. 2007-09-10. 2007 InfoWorld Bossie Awards. InfoWorld.
4. Web site: Best of open source in storage: slide 6 of 7. 2009-10-15. 2007-09-10. 2007 InfoWorld Bossie Awards. InfoWorld.
5. Web site: Phoronix Global - Iozone Test Results . 2009-10-16 . https://web.archive.org/web/20100219085027/http://global.phoronix-test-suite.com/?k=category&u=iozone . 2010-02-19 . dead .