Could it be due to some odd server "warmup" (i.e. opening connections to a database or other backend) ? Is the behaviour the same if you first test the API with 50 users and immediately afterwards with 1 user?
just an idea On Sun, Sep 15, 2024 at 6:56 PM Shay Ginsbourg <sginsbo...@gmail.com> wrote: > It should be checked whether poor JMeter scripting led to responses being > all cached. > > > > > > > > On Mon, Sep 9, 2024 at 7:20 PM Deepak Chaudhari <deepak.myp...@gmail.com> > wrote: > > > Hi, > > > > I'm executing a load test for an API. > > > > When I execute the API with 1 user 10 iterations, the average response > time > > I'm getting with JMeter is 2000 ms (Aggregate report). > > > > When I execute the same API with 50 user 100 iterations, the average > > response time I'm getting with JMeter is 1500 ms (Aggregate report). > > > > This is happening for most of the APIs in performance testing scope. > > > > Now stakeholders are asking how the response time for a single user is > more > > than 50 users. > > > > Regards, > > DC > > > > > -- > > > > Sincerely, > > > > *Shay Ginsbourg* > > *Performance, Automation and Load Testing Expert. * > > *Regulatory Affairs Consultant for Medical Software.* > > *Ginsbourg.co.il <http://ginsbourg.co.il/> (Since 2008)* > > > > Formerly QA Manager of LoadRunner at Mercury Interactive > > > > M.Sc. cum laude in Bio-Medical Engineering > > M.Sc. in Mechanical Engineering > > > Mobile: +972(0)54-6690915 > Email: sginsbo...@gmail.com > > Visit my personal page on LinkedIn at: > http://www.linkedin.com/in/shayginsbourg > > > > > > > *Shay Ginsbourg* > > about.me/shayginsbourg > > > > Please consider your environmental responsibility before printing this > e-mail. >
