[Tsung] Some questions on the simulated users in report and tsung.xml

Pablo Polvorin ppolv at yahoo.com.ar
Sat May 3 18:15:05 CEST 2008


>Currently this is my script on creating the numeber
>of users in the xml file. Correct me if i'm wrong at
>interpreting the script below. The below script
>shows that in 50 users are create every 1 sec in a
>300 seconds duration session. Am i correct?

No, actually it means that during a 300sec period, new
users will be arriving at a rate of 1 user/sec. (
using an exponential distribution )
So for example if you want to simulate an arrival rate
of 5 users/sec, use an interarrival of 0.2.
The number of simultaneous users that you will get, is
of course not only determined by the arrival rate, but
for both the arrival rate and the session duration. 
With "maxnumber", you are limiting the number of
users to 50.




--- Chong Ming <dudgeon82 at yahoo.com.sg> escribió:

> Greetings,
> i have write the xml file to create the number of
> users at the specific time in tsung.xml file as show
> below. Please correct me if i'm wrong if i
> misinterpret the xml file below.
> 
> Currently this is my script on creating the numeber
> of users in the xml file. Correct me if i'm wrong at
> interpreting the script below. The below script
> shows that in 50 users are create every 1 sec in a
> 300 seconds duration session. Am i correct?
> 
> <arrivalphase phase="1" duration="300"
> unit="second">
>        <users maxnumber="50" interarrival="1"
> unit="second"></users>
>    </arrivalphase>
> 
> Next this is the report generate regarding about the
> users as shown below
> 
> 
> Name                     Highest Rate       Total
> number
> finish_users_count     0.8 / sec           46
> users_count             1.4 / sec           46 
> 
> 
> Name             Max
> connected     24
> users             26
> 
> From the previous emails which i have enquire about
> the reading of the reports, i have been given
> guidance on the finish_users_count and users_count
> refers to the total number of users who have
> complete the test. At this Point am i correct?
> 
> As for the 2nd table shows the max number of
> connected users and max number of alive users which
> are 24 and 26 respectively. Am i correct at this
> point?
> 
> Now my question is i have create a total of 50 users
> in the xml script. However the total number for
> finish_users_count and users_count are 46. DOes that
> mean that 4 users are not created during the 300
> secs session?
> 
> Thanks in advance for the guidance
> 
>        
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