for each controller to automatically run different thread groups

[雷咩咩 <67...@qq.com.INVALID>]

Hi jmeter super uses,




Is it possible, to create a jmeter plan, to configure a list of thread numbers somewhere(csv or script), such as 1, 2, 4, 10.

then let jmeter automatically run a thread group using each of these number as 'number of threads' automatically?




my initial though is to create a for each controller then add a thread group as sub item. 

unfortunately thread group seems to be the top level element, and controllers cannot be parent of thread group.




Regards,

Yang

Re: for each controller to automatically run different thread groups

[Dmitri T <gl...@live.com>]

雷咩咩 wrote:
> Hi jmeter super uses,
>
>
>
>
> Is it possible, to create a jmeter plan, to configure a list of thread numbers somewhere(csv or script), such as 1, 2, 4, 10.
>
> then let jmeter automatically run a thread group using each of these number as 'number of threads' automatically?
>
>
>
>
> my initial though is to create a for each controller then add a thread group as sub item. 
>
> unfortunately thread group seems to be the top level element, and controllers cannot be parent of thread group.
>
>
>
>
> Regards,
>
> Yang
If you want to have a single Thread Group and would like to parameterize 
it from a CSV file and sequentially run it with different number of 
threads - it's not possible as of JMeter 5.5 
<https://lists.apache.org/thread/k575c2oqnr0pv52fckcg399o4nkqt8c6>

You will either need to define the number of threads via __P() function 
like ${__P(threads,)} and then run the .jmx test plan several times like:

jmeter -Jthreads=1 -n -t test.jmx -l 1user.jtl
jmeter -Jthreads=2 -n -t test.jmx -l 2users.jtl
etc.

Alternatively you can consider switching to Ultimate Thread Group 
<https://jmeter-plugins.org/wiki/UltimateThreadGroup/> which has 
threadsschedule special property so you can define 4 steps with desired 
number of threads, ramp-up period, duration, etc. Ultimate Thread Group 
can be installed as a part of Custom Thread Groups bundle using JMeter 
Plugins Manager <https://www.blazemeter.com/blog/jmeter-plugins-manager>

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