Re: Running Multiple Scripts Concurrently Using Grinder

Hi Ouray,

One working example usually goes a long way to help understanding
something new.   An example would be *very* much appreciated.

Thanks again,
Chris




On Tue, Jun 23, 2015 at 2:58 PM, Ouray Viney <[email protected]> wrote:

> Hi Christine,
>
> An approach that you could consider is to have your scripts read this info
> from a resource file to allow for easy configuration changes.  You could
> have the desired virtual user court or threads defined in an external CSV
> file.
>
> You could augment the example of the parallel.py and expand on it a bit.
>
> An example would be read in the file, create a hash map or python list -
> each element being a thread instruction (for lack of a better term).
>
> In your CSV file, you could have 1 column be the script name followed by
> the 2nd column representing the virtual user account.
>
> While you read in the file if you identify vu=5; that simply means you
> need to load up five grinder threads dynamically for the script name
> 'sample.py'.
>
> To run this, you could assign grinder.threads equals to 1 so that the
> thread will spawn up the parallel.py.   Then, depending on your CSV file
> your parallel.py would automatically load up (see Api docs for appropriate
> method call) the the required number of threads.
>
> I prefer this approach to the statically define thread IDs as it resembles
> LR's concept of a scenario.
>
> This approach allows you to define the number of threads and individual
> scripts in a CSV file which is easy to edit.
>
> Let me know, I could proved some simple code samples to help you get a
> working sample.
>
> HTH,
>
> Ouray Viney
>
> On Jun 23, 2015, at 5:30 PM, Gary Mulder <[email protected]> wrote:
>
> Hi Christine,
>
> The filename of the script is usually defined in the Grinder configuration
> file.
>
> Conceptually, all Grinder threads execute the same test program, unlike in
> LoadRunner where you assign threads to different test scripts. A simple
> Jython solution to this is for each thread to essentially use conditional
> logic to execute different code paths as a function of the thread id.
>
> Regards,
> Gary
> On 23 Jun 2015 10:15 pm, "Christine Economy" <[email protected]>
> wrote:
>
>> Hi Adil,
>>
>> Thanks for your amazingly quick response - I know now that the Grinder
>> network
>> does respond! (not all tech networks are that good).
>>
>> I'm using an environment set-up by someone who is not longer at the
>> company.
>> I've searched for a parallel.py script in al directories, and nothing
>> is/was found.
>> Possibly, multi-script runs have not been done in this area..
>>
>> Do you have one that has worked for you?  How does it relate tho the
>> master
>> script?  I'm hoping you're right when you say it's pretty easy.  It IS
>> pretty easy
>> with Loadrunner and JMeter.
>>
>> I really appreciate your time and help!
>>
>> Thanks and regards,
>> Chris
>>
>>
>>
>>
>> On Tue, Jun 23, 2015 at 1:59 PM, Adil qureshi <[email protected]> wrote:
>>
>>> Inside examples go to parallel.py. .I am using the same. .,its quite
>>> easy to do that in grinder. ..
>>> On 23 Jun 2015 21:55, "Christine Economy" <[email protected]>
>>> wrote:
>>>
>>>> Hi Grinder World Members,
>>>>
>>>> I'm a performance engineer who has used Loadrunner and QTP
>>>> for several years, and have used JMeter a few times as well, but
>>>> just started using Grinder.  I've run some large tests, but have not had
>>>> to run multiple scripts concurrently until now, and I'm hoping someone
>>>> out
>>>> will be kind enough to offer some help/guidance.  I have to have this
>>>> working
>>>> for a super high visibility project in the next one and a half.
>>>>
>>>> I'm basically looking for an equivalent to Loadrunner's multiple
>>>> scripts in a
>>>> scenario, or HTTP requests with JMeter.
>>>>
>>>> I did some homework/Googling before reaching out to you -
>>>> and found this helpful link:
>>>>
>>>> http://osdir.com/ml/java.grinder.user/2004-05/msg00014.html
>>>>
>>>> Apologies if I'm being dense on this, but I'm not seeing the step by
>>>> step
>>>> thought process; for example, where/how is the divisor (4 in most cases
>>>> in the doc
>>>> at the link) is being arrived at.  I think just a bit of input from
>>>> someone who has done
>>>> this will make it clear.
>>>>
>>>> Also, is anything additional needed along with the master script?
>>>>
>>>> Thanks very much for your time and help.
>>>>
>>>> Best regards,
>>>> Chris
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Monitor 25 network devices or servers for free with OpManager!
>>>> OpManager is web-based network management software that monitors
>>>> network devices and physical & virtual servers, alerts via email & sms
>>>> for fault. Monitor 25 devices for free with no restriction. Download now
>>>> http://ad.doubleclick.net/ddm/clk/292181274;119417398;o
>>>> _______________________________________________
>>>> grinder-use mailing list
>>>> [email protected]
>>>> https://lists.sourceforge.net/lists/listinfo/grinder-use
>>>>
>>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Monitor 25 network devices or servers for free with OpManager!
>>> OpManager is web-based network management software that monitors
>>> network devices and physical & virtual servers, alerts via email & sms
>>> for fault. Monitor 25 devices for free with no restriction. Download now
>>> http://ad.doubleclick.net/ddm/clk/292181274;119417398;o
>>> _______________________________________________
>>> grinder-use mailing list
>>> [email protected]
>>> https://lists.sourceforge.net/lists/listinfo/grinder-use
>>>
>>>
>>
>>
>> ------------------------------------------------------------------------------
>> Monitor 25 network devices or servers for free with OpManager!
>> OpManager is web-based network management software that monitors
>> network devices and physical & virtual servers, alerts via email & sms
>> for fault. Monitor 25 devices for free with no restriction. Download now
>> http://ad.doubleclick.net/ddm/clk/292181274;119417398;o
>> _______________________________________________
>> grinder-use mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/grinder-use
>>
>>
> ------------------------------------------------------------------------------
> Monitor 25 network devices or servers for free with OpManager!
> OpManager is web-based network management software that monitors
> network devices and physical & virtual servers, alerts via email & sms
> for fault. Monitor 25 devices for free with no restriction. Download now
> http://ad.doubleclick.net/ddm/clk/292181274;119417398;o
>
> _______________________________________________
> grinder-use mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/grinder-use
>
>
>
> ------------------------------------------------------------------------------
> Monitor 25 network devices or servers for free with OpManager!
> OpManager is web-based network management software that monitors
> network devices and physical & virtual servers, alerts via email & sms
> for fault. Monitor 25 devices for free with no restriction. Download now
> http://ad.doubleclick.net/ddm/clk/292181274;119417398;o
> _______________________________________________
> grinder-use mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/grinder-use
>
>

------------------------------------------------------------------------------
Monitor 25 network devices or servers for free with OpManager!
OpManager is web-based network management software that monitors 
network devices and physical & virtual servers, alerts via email & sms 
for fault. Monitor 25 devices for free with no restriction. Download now
http://ad.doubleclick.net/ddm/clk/292181274;119417398;o

_______________________________________________
grinder-use mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/grinder-use