Jmeter test plan run requests not consistently

Question

I have such test plan:

The issue here is that requests not consistently. It should run win request for each bid request if bid response code is 200 but in my case, it running all bid requests and only after start running win requests

Description:

• bid requests - is CSV Data set config wit random jsons for each bid request (did like mentioned here)
• thread - it's a thread with 200 users and 1 loop
• bid - post request, for body I'm using one of json files ${__FileToString(/home/user/Downloads/jmeter/jsons/${__eval(${JSON_FILE})}.txt,,)}. Also bid request include currency, bidid etc. it's Json extractors, I'm using that data to generate correct win URL for each bid.
• if bid made - if controller run win request only if bid response code is 200

• win - get request, where URL queries are different depends on bid response (using Json extractors). Url looks like: win?auctionId=${AUCTIONID}&bidId=${BIDID}&impId=${IMPRESSIONID}&seatId=${SEAT}&price=${__javaScript((Math.random()* (4 - 1)+1).toFixed(4);)}&cur=${CUR}&adId=${ADID}

  I would be grateful for any help!!!

Answer 1

With low ramp up period first requests will be sent in parallel on multi threads test.

If you read Thread Group

You should increase the "ramp-up" until it equals to the number of threads.

The ramp-up period tells JMeter how long to take to "ramp-up" to the full number of threads chosen. If 10 threads are used, and the ramp-up period is 100 seconds, then JMeter will take 100 seconds to get all 10 threads up and running.

You can check related dynamic ramp up question