I/O performance measurement and load generation tool
Spew is used to measure I/O performance of character devices, block
devices, and regular files. It can also be used to generate high I/O loads
to stress systems while verifying data integrity.
Spew is easy to use and is flexible. No configuration files or
complicated client/server configurations are needed. Spew also generates
its own data patterns that are designed to make it easy to find and debug
data integrity problems.
The spew package is used to test I/O performance and to generate load
on character devices, block devices, and file systems. It is similar
to the lmdd program found in the lmbench test-suite
(http://www.bitmover.com/lmbench). It is a bit easier to use than lmdd
and has some added functionality. For example, it can test both
random and sequential I/O.
There is a web-page for the spew proje
Changes since 1.0.7
* Fixed a build issue with Debian. The basename function is available on
* Fixed a problem with with reusing the same random seed for every
iteration. New seed is now used for every iteration.
Changes since 1.0.6
* Fixed a bug where the IOPS counter was not being reset between iterations
resulting in IOPS increasing after every interation.
* Fixed gc
This is the Spew FAQ. Any suggestions/corrections/etc should be
directed to firstname.lastname@example.org. The FAQ answers the following questions:
1) How do I get direct I/O working on RedHat Advanced Server 2.1?
2) Who came up with the names "Spew"?
3) How do I by-pass the buffer or disk cache to fin
SPEW(1) User Commands SPEW(1)
spew - measures
spew (1.0.8-1) unstable; urgency=low
* New upstream release. ( Closes: #560523 )
* Fix location
- Finish man pages
- HTML manual
- Fix building windows man-page
Spew AUTHORS (and CONTRIBUTORS)
Andrew Patterson <email@example.com>
This package was debianized by Matt Taggart <firstname.lastname@example.org> on
Fri, 22 Oct 2004 17:39:57 -0600.
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