IOzone

IOzone is a file system benchmark utility.[1][2] Originally made by William Norcott, further enhanced by Don Capps and others.

IOzone
Original author(s)William Norcott
Developer(s)Don Capps, et al
Stable release
3.493 / January 7, 2022 (2022-01-07)
Written inC
Available inEnglish
TypeBenchmark
Websitewww.iozone.org

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]

References
  1. Olker, Dave (2002-09-13). "Local Filesystem Considerations: iozone". Optimizing NFS Performance: Tuning and Troubleshooting NFS on HP-UX Systems (1st ed.). Upper Saddle River, New Jersey: Prentice Hall. pp. 24–26. ISBN 0-13-042816-7. iozone is one of the more sophisticated filesystem performance benchmark utilities available.
  2. Martin, Ben (2008-07-03). "IOzone for filesystem performance benchmarking". Linux.com. Retrieved 2009-10-15.
  3. Venezia, Paul (2007-09-10). "Best of open source in storage". 2007 InfoWorld Bossie Awards. InfoWorld. Retrieved 2009-10-15.
  4. "Best of open source in storage: slide 6 of 7". 2007 InfoWorld Bossie Awards. InfoWorld. 2007-09-10. Retrieved 2009-10-15.
  5. "Phoronix Global - Iozone Test Results". Archived from the original on 2010-02-19. Retrieved 2009-10-16.
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