[httperf] httperf measurement for probabilites

Martin Arlitt arlitt at hpl.hp.com
Mon Jul 10 15:58:15 PDT 2006


hi Bhagwan

you should contact the authors of the paper and ask them how they
determined the values.

Martin


On Thu, 6 Jul 2006, Bhagwan Anjanappa wrote:

> Hi Martin,
>      I came across a paper which uses httperf to test a shopping cart
> application here it says
>
> "Each client session follows a simple pattern: go to main page, sign
> in, browse products, add some products to shopping cart, check out,
> repeat. Two parameters indirectly define the number of operations
> within a session. One is the probability that an item is added to the
> shopping cart given that it has just been browsed. The other is the
> probability of proceeding to the checkout given that an item has just
> been added to the cart. These probabilities vary sinusoidally between
> 0.42 and 0.7 with periods of 67 and 73 minutes, respectively"
>
> How were the probabilites found? the numbers they give have been
> collected after the testing.
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