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From sebb <seb...@gmail.com>
Subject Re: Constant throughput timer feature request
Date Tue, 10 May 2016 09:16:05 GMT
On 10 May 2016 at 03:02, Oliver Erlewein <oliver@erlewein.net> wrote:
> Hi,
>
> Thanks for that. Ill raise it in bugzilla as a CR.
>
> I tested it with -1 (and -100) and it looks like it executes each thread
> once only. Of course that is a 5min high level test so is by no means
> exhaustive. But I'm guessing nobody is using that anyway.

When I tried -1 it calculated the delay as negative so did not delay at all.
There must be something else in the plan that is causing a problem.

Note that using 0 will cause a very high delay and threads will
therefore appear to execute once only.

> As for the sufficiently high number, I am just unsure how much overhead it
> adds.

Exactly the same as using it normally.

But it should be possible to reduce that.

> Cheers Oliver
> On 9/05/2016 21:26, "sebb" <sebbaz@gmail.com> wrote:
>
> On 9 May 2016 at 03:54, Oliver Erlewein <oliver@erlewein.net> wrote:
>> Hi,
>>
>> I have the need to control the throughput on the constant throughput timer
>> via a variable. That includes the possibility to switch it off. In a lot
> of
>> JMeter areas you can do that by passing a negative value (ex. -1). But not
>> here. -1 will do one iteration only.
>
> Huh?
>
> -1 is not treated specially by the code so why do you think it only
> affects a single iteration?
>
>> Can we change this behaviour? Clearly -1 is not sensible in a constant
>> throughput controller so why not use it to skip it's function?
>
> Feel free to raise a Bugzilla enhancement request.
>
> But a work-round is to use a sufficiently high value so JMeter won't
> need to insert pauses.
>
>> Cheers
>> Oliver
>
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