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Absent Member.
Absent Member.
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Maximum response Time

Hi All,

I have Load tested the web application with 50 and 100 users.In the 50 users Resuls one of the transaction has taken Maximum response time compare with 100 users test result.
The below is response time:
Transaction name Average Maximum
Finsh_Button(50 Users) 6.35 , 24
Finsh_Button(100 Users) 6.51 , 16

In the results, the max time is up from 16 max to 24. (100 Vs 50)

Plese help me to Interpret this Maximum time results.
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5 Replies
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Absent Member.
Absent Member.

Re: Maximum response Time

Hi Bkarthik,

As I can see the average response time is almost the same. It means that almost all transactions have similar response time and only one of it has the maximum value (in 4 time more than average!!). In first case (50 Vusers), most probably you had the network (or server)issue which not related to the load test.
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Absent Member.
Absent Member.

Re: Maximum response Time

Thank You AVA!
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Absent Member.
Absent Member.

Re: Maximum response Time

Hi Bkarthik,
You can try to filter the end of scenario elapsed time. Several minutes should be enough..
E.G. Scenario elapsed time 008:02:15
Filter to 08:00:00.

Best regards, AvA
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Absent Member.. Absent Member..
Absent Member..

Re: Maximum response Time

Looking at the average and conluding on the performance is not the correct approach. Two different samples can give you the same average value. They need not be statistically similar.

The right thing to do would be using the 90 percentile value and standard deviation.

In the first case, if you have a standard deviation of 12... that means, your average won't really be 6 always.. It will be between avg+std.dev and avg-std.dev... i.e., 6+12 and 6-12(notvalid in this case though)..

In the second case, if you have your S.D as 8.. then it means some of the values are around 6.51+8 and 6.51-8.

OTOH, if you 90 percentile value is 6.51 in both the cases, you can leave the value 16 and 24 as an outlier during the load test and pass the applicaton for performance.
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Absent Member.. Absent Member..
Absent Member..

Re: Maximum response Time

Always prefer for the average responce time.
sometime because of network traffic/server, you'll be getting maximum responce.
If you check time interval,you'll get to know.

also check your other graph in that time period,like network graph,paging or memory..so you'll get to know why its taking more time for responce.

More over,when you are preparing final report,you need to consider all graphs.
Always go for 90 percentile value.
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