Sergio you have the JMeter documentation link that says what you
explained to me?
In addition to your email I need the link to reference my work.
Once again, thank you.
Em 07-01-2019 16:24, Sergio Boso escreveu:
Hi,
yes it is normal, and this seems confusing at the beginning fro most.
It depends very much on how you design the test, the number of virtual
user etc.
IF you do not use times, THEN each VU issues a request as soon as the
previous one is finished.
So, when response times increase, the throughput drops.
For example, if a request takes 1 second, one VUÂ will issue 60
request per minute.
When a request takes 2 second, one VU will issue 30 request per
minute. So you have to increase the number of VU to compensate.
IN order to overcome this problem, the best option IMHO is to use a
"Constant Throughput Timer".
This allows you to make the VU wait and not to exceed a specified
throughput.
So in the example above, if you insert a time limiting the throughput
to 30 op /s, you will not exceed this throughput.
Even if the actual request will take 0.5, or 1 or 1.8 seconds, the
throughput will not change.
You can adjust the number of VU in order to obtain the desired load.
Obviously, if the request takes more than 2 seconds, , the throughput
will drop.
HTH
Sergio
Il 07/01/2019 18:52, Marcio Prado ha scritto:
Good afternoon,
I have a question that can be simple for most.
I'm running some tests on a cloud computing with OpenStack.
When network latency increases, the number of HTTP requests met
decreases. Is this normal behavior?
I figured that the number of HTTP requests would remain the same as
when latency was low, since HTTP requests are generated regardless of
response time.
Can anyone explain this behavior?
Thank you!
--
Marcio Prado
Analista de TI - Infraestrutura e Redes
Fone: (35) 9.9821-3561
www.marcioprado.eti.br
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