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Categories >> Software >> Testing >> Automation Testing >> Load Runner


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What is the relation between Response Time and Throughput?
 Question Submitted By :: Load-Runner
I also faced this Question!!     Answer Posted By  
# 1
The Throughput graph shows the amount of data in bytes that
the Vusers received from the server in a second. When we
compare this with the transaction response time, we will
notice that as throughput decreased, the response time also
decreased. Similarly, the peak throughput and highest
response time would occur approximately at the same time.
Is This Answer Correct ?    30 Yes 21 No
Mahesh SV
# 2
Throughput is the measure of the number of messages that a
system can process in a given amount of time. In software,
throughput is usually measured in “requests / second”
or “transactions / second”.

Response time is usually measured in units of “seconds /
request” or “seconds / transaction”.
Is This Answer Correct ?    12 Yes 5 No
# 3
Throughput (requests per min, red) grows until CPU is
saturated and then remains constant - the CPU is operating
at max throughput. Once CPU is maxed out then response time
must increase with load. In our case it increases
predictably linearly with load. A thread-per-request system
would drop off as load increases since the CPU has to spend
more and more time context switching threads and not doing
real work.
Is This Answer Correct ?    8 Yes 2 No
# 4
Direct Relation B/w Response Time and Throughput Means If
Throughput increase Automatically Response time also increase
Is This Answer Correct ?    21 Yes 18 No
Thatikonda Shivakumar
# 5
Relation between Througput and Response time :

Throughput is Inversely Proportional to the response time.
Is This Answer Correct ?    3 Yes 1 No
# 6
If the response time increase with the throughput all the time it means the system is not stable, and it should be looked at, since the whole point of performance testing is to keep the system stable although you are applying a high load. 
Is This Answer Correct ?    1 Yes 0 No
Koly Toe
# 7
Through put-
indicates the number of transactions per second an
application can handle, the amount of transactions produced
over time during a test.

Response time-
Response time is the amount of time from the moment that a
user sends a request until the time that the application
indicates that the request has completed
Is This Answer Correct ?    1 Yes 1 No
Chaithanya Nataraj Kalidindi
# 8
throughput;bytes received from the srver
responsetime;succesful rerqust response time
both should be inverslyproportinal
Is This Answer Correct ?    0 Yes 0 No
# 9
The time in between the start and till the completion of the
job is called response time

the amount of work done in a given time is called through put.
Is This Answer Correct ?    0 Yes 1 No
# 10
Response time: Response time is the time from start to the
end of the execution or time from start to completion of
the task. It is also known as execution time, CPU time.

Throughput: Throughput it the total amount of work done/
completed in a given amount of time. It measures the system
Is This Answer Correct ?    5 Yes 7 No

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How do you find out where correlation is required? Give few examples from your projects?   4
what criteria did you use to select web transactions for load testing ?   1
For more Load Runner Interview Questions Click Here 

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