Learn about running performance tests in the cloud using k6, the open source load testing tool and Load Impact Cloud Execution

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Performance Testing
In the Cloud

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Mark Meier
Client Success, Team Lead
Load Impact
Agenda
● Load Testing 101
● Test execution models- Local & Cloud
● Challenges of managing cloud
infrastructure for load testing
● Cloud execution, data collection and
results analysis (with Demo)John Emmitt
Director of Product Marketing
Load Impact

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Why do performance testing?
73% said there is a “need to improve quality
and performance” of applications
[Source: InterOp 2018 State of DevOps Report]

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Performance Testing 101 - What is it?
Test the performance of your
website, web app, API under load
● Virtual Users
● Requests / sec
● Find and fix performance
bottlenecks
● Continuous testing is key
Virtual Users

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Benefits of Performance Testing
Ecommerce Site:
Prepare for a high traffic event to:
● Reduce abandonment
● Sell more!
SaaS Application:
● Lower infrastructure
costs
● Improve customer
satisfaction
APIs / Microservices
● Meet SLAs
● Ensure resiliency
SaaS

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k6 - Open source load testing tool
● Built for developers & QA
testers
● Built in Go, scripting in JavaScript
ES6
● > 4000 GitHub Stars!
● Local & Cloud Execution
● Fits nicely into DevOps
workflows / automation
pipelines

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Creating load tests for k6 - 2 Options
Create user scenario
scripts in IDE
ES6 JavaScript
● A single .js file
can define the
whole test
● Tests can also
be modular /
multi-file
Use your favorite
editor / IDE or Load
Impact’s IDE
Convert browser
activity from HAR file
1 2

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k6 load test execution modes
Local execution
(k6 run -o cloud script.js)
Cloud execution
(k6 cloud script.js)

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Local Execution - for Developers
Smaller tests
Behind the firewall
Fast turn-around
FIREWALL
Internet

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Cloud Execution
● Larger Tests ● Globally Distributed Tests

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Manage your own cloud infrastructure?
Capacity Requirements
● How many instances needed?
General VM / Container Orchestration
● Spinning Instances Up / Down
Load Testing Considerations
● Load generator synchronization
● Data collection across multiple instances

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Running load tests with k6
Run tests locally or in
the cloud using k6 CLI
Create user scenario
scripts
Analyze results in
Load Impact Insights

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Automate performance testing
● Automate testing via CI
tool integration
● Developers can load test
early in the dev cycle
● Shorten time-to-market

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Demo time!
& CLOUD EXECUTION

15. LOAD IMPACTLoad Impact 4.0
k6 + Load Impact Insights + Cloud Execution

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Learn More
k6 documentation: https://k6.io (join our slack team! https://k6.io/slack/)
GitHub repo: https://github.com/loadimpact/k6
Load Impact Docs: https://support.loadimpact.com/4.0/
Load Impact Support - support@loadimpact.com
Load Impact 4.0 is available as a 30-day free trial

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Performance Testing in the Cloud
Thank you!