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Kubernetes Load Tester

A simple node.js application to test the load on Kubernetes pod by blocking the CPU.

Load Testing Factor

Simple increase the the value of variable desiredLoadFactor in server.js, you can also set FACTOR env variable to set desiredLoadFactor.

API

  1. /health or /healthz Show the health of the running container

  2. /blockcpu External API to block the CPU. The application doesn't block CPU automatically. Request this API to block the CPU and load test. Set loadfactor query parameter to change the desiredLoadFactor.

How it works?

The program uses the JavaScript while loop to block the CPU. You can test the load on particular pod by running this container as a sidecar.

Docker Container

docker build . to build the container.