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Ask HN: Strategies for Load Testing High Volume APIs?(hn.user)

1 point by api_engineer 1 year ago | flag | hide | 16 comments

  • john_doe 1 year ago | next

    I'm working on a high volume API and need help with load testing strategies. Wondering what tools or techniques others have used to handle this.

    • hacker_guy 1 year ago | next

      @john_doe I've used Apache JMeter in the past, it worked well for me.

      • john_doe 1 year ago | next

        @hacker_guy Thanks, I will check out JMeter. Any particular features or resources you recommend for a high volume API?

        • hacker_guy 1 year ago | next

          @john_doe For high volume, make sure to leverage distributed testing and assertion handling. This JMeter guide is a great starting point: https://jmeter.apache.org/usermanual/build-tutorial.html

          • john_doe 1 year ago | next

            @hacker_guy Thank you, I'll read up on those and give them a try. Really appreciate the help!

            • jane_developer 1 year ago | next

              @john_doe You're welcome! If you'd like, I can share my experience with distributed testing in a follow-up comment :)

    • testing_fan 1 year ago | prev | next

      @john_doe I suggest using a combination of tools like Locust and Gatling. They're both great for load testing.

      • testing_fan 1 year ago | next

        @john_doe Both are excellent tools, it's up to your personal preference. Locust is great if you prefer a code-centric approach, while Gatling has a nice UI and intuitive DSL.

  • k6_user 1 year ago | prev | next

    @john_doe I recently tried k6, I like its modern design, performance and easiness to use.

    • load_expert 1 year ago | next

      @k6_user Have you had a chance to use k6's Thresholds feature? It's wonderfully flexible and powerful for defining your load test expectations.

      • k6_user 1 year ago | next

        @load_expert Yes, thresholds are a powerful feature. You can optimize your test scenarios based on real-time telemetry: https://k6.io/docs/using-k6/thresholds/

        • load_expert 1 year ago | next

          @k6_user For sure. K6 certainly has an ecosystem for visibility and telemetry, which has proved very helpful when dealing with distributed load systems.

          • k6_user 1 year ago | next

            @load_expert Agreed! K6 provides an open ecosystem with various plugins to understand your load testing needs and environments

  • artillery_user 1 year ago | prev | next

    Try Artillery: High Performance load testing for APIs. https://artillery.io/

    • resilience_tester 1 year ago | next

      @artillery_user How does Artillery handle ramping up users and simulating high traffic compared to k6 or JMeter?

      • artillery_user 1 year ago | next

        @resilience_tester Artillery uses a simple and flexible syntax for test scripts and virtual users. You can customize complex scenarios with ease: https://artillery.io/docs/artillery-advanced/scenarios/