On 21 October 2011 00:40, sebb <seb...@gmail.com> wrote: > On 21 October 2011 00:36, David Luu <manga...@gmail.com> wrote: >> Thanks, the beanshell server looks useful for what I'd want. > > That's very flexible but it would be simpler if the variable were set > in the test plan itself. > > e.g. if you wanted to ramp up gradually, you could use a counter with > a suitable increment to define the throughput variable.
I meant to add: for experimental purposes, I suggest using a test plan with some Java samplers; you can then test without annoying the neighbours ;-). >> On Thu, Oct 20, 2011 at 10:43 AM, sebb <seb...@gmail.com> wrote: >> >>> On 20 October 2011 18:14, Adrian Speteanu <asp.ad...@gmail.com> wrote: >>> > Hey David, >>> > >>> > I've used both. >>> > >>> > Its not much to compare :). If you understand the Constant Throughput >>> Timer, >>> > then you understand both and it's easy to see that its major limitation >>> is >>> > that it holds (if possible) the throughput constant at the value you >>> define >>> > (which was the intent). However if you want to easily create a more >>> complex >>> > test scenario like: >>> >>> The "constant" can also be varied. If the constant is expressed as a >>> variable or function reference, that allows the throughput to be >>> varied at will. >>> >>> See for example: >>> >>> >>> http://jakarta.apache.org/jmeter/usermanual/best-practices.html#beanshell_server >>> >>> >>> > 1. run a test with throughput 100 for 2 min >>> > 2. continue for 2 more minutes with throughput 200 >>> > 3. continue for 2 more minutes with throughput 500 >>> > to see how the application responds to these changes in the load >>> received, >>> > without the plugin you had to use more thread groups and configure the >>> > scheduling so you get the same effect. The plugin makes these use cases >>> > simple and more easy to understand. >>> > >>> > You can make things a lot more complicated than that if you'd like using >>> > both methods and a lot of imagination. >>> > >>> > On Tue, Oct 11, 2011 at 5:19 AM, David Luu <manga...@gmail.com> wrote: >>> > >>> >> I was wondering if anybody has used both, and wonder how they compare. >>> >> Pros/cons of each. >>> >> >>> >> And how one could best simulate the Throughput Shaping Timer with the >>> >> constant throughput timer via variable/property that defines the >>> throughput >>> >> and changing it during test run. Particularly how would you implement >>> the >>> >> changing of the throughput variable and where to place in test plan. >>> >> >>> >> FYI, I'm refering to this JMeter plugin: >>> >> >>> >> http://code.google.com/p/jmeter-plugins/wiki/ThroughputShapingTimer >>> >> >>> > >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org >>> For additional commands, e-mail: jmeter-user-h...@jakarta.apache.org >>> >>> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org For additional commands, e-mail: jmeter-user-h...@jakarta.apache.org
