From: pat eyler <pat.eyler@...>
Date: 2005-11-08T00:41:32+09:00
Subject: [ANN] Ruby Web Bench 0.0.0 (RWB)

Hi all,
Last week I had an itch that ab (the web performance tester shipped with
apache) just didn't scratch, so I decided to sprinkle some Ruby dust over
the problem and see what that bought me.  RWB is a light weight (and alpha
quality) performance/load testing tool for websites.  It features a couple of
nice features:
 - you can build up a weighted list of URLs, then test them at a given
total number of requests and level of concurrency.  Each request will
pull a random request from your weighted list.
 - given a group or family of URLs, you can specify them using a
weighted base URL and an array of extensions.  Each time a request is
pulled from the group, it will get a random extension from the array.
 -  Reports are given for the run overall, and for each URL or URL group.

Once I'm a bit happier with the engine and the reporting, RWB will be turned
into a DSL (rather like Rake) to make building and running load or performance
tests even easier.

For now though, I'd love to hear what works well (or doesn't), what additional
features people would like to see, etc.

Go grab your copy from: http://www.red-bean.com/~pate/


BTW, here's a sample report:

Concurrency Level:       50
Total Requests:          1000
Total time for testing:  4.148434 secs
Requests per second:     241.054817311786
Mean request time:       4 msecs
Overall results:
        Shortest time:  18 msecs
        50.0%ile time:  41 msecs
        90.0%ile time:  55 msecs
        99.9%ile time:  81 msecs
        Longest time:   81 msecs
Results for http://www.example.com :
        Shortest time:  41 msecs
        50.0%ile time:  53 msecs
        90.0%ile time:  62 msecs
        99.9%ile time:  81 msecs
        Longest time:   81 msecs
Results for http://www.example.com/nonesuch :
        Shortest time:  29 msecs
        50.0%ile time:  41 msecs
        90.0%ile time:  51 msecs
        99.9%ile time:  65 msecs
        Longest time:   65 msecs
Results for http://www.example.com/entries :
        Shortest time:  18 msecs
        50.0%ile time:  41 msecs
        90.0%ile time:  50 msecs
        99.9%ile time:  69 msecs
        Longest time:   69 msecs
Results for http://www.example.com/search?:
        Shortest time:  28 msecs
        50.0%ile time:  40 msecs
        90.0%ile time:  55 msecs
        99.9%ile time:  69 msecs
        Longest time:   69 msecs


--
thanks,
-pate
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