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Editorial Team
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Asked: 2026-06-04T16:32:20+00:00

I’m using JMeter to test a Java application written by a 3rd party vendor

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I’m using JMeter to test a Java application written by a 3rd party vendor using Versata Logic Studio.

I’ve got some steps in my test plan that submit a request using some post data and then receive a response back:

Response too large to be displayed. Size: 445817 > Max: 204800, Start of message:
{"header":{"action":"300","arguments":{"tabid":"Header","divid":"ActgDisb,Vendor,BusinessType...ETC

This seems fine (I’m guessing that’s 400K?), except that the step is taking far longer than it does to click through the pages in a browser. In the browser it takes 5 seconds at most. In JMeter it’s taking 2 minutes. The CPU is also at 60% for just one thread during these steps.

Any ideas on speeding this up? We’re struggling to get enough slaves going and this certainly isn’t helping.

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1 Answer

  1. Editorial Team

    If you’re ready to move to TCP level, there is HTTP Raw Request that allows memory-efficient operation for huge uploads/downloads. Read its manual carefully, there is some JMeter properties for tuning its performance.

    However, my experience is that you possibly have a situation where Java itself is a bad technology to perform load tests. I suggest you to take a pair of tries for Raw Request and in case of failure to seek for some C/C++ tool for performance tests.

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