How to run Turnip tests in parallel on GitHub Actions to fix slow tests and get faster CI builds

Run Turnip tests in parallel on GitHub Actions in the optimal way and avoid bottleneck parallel jobs.

Without Knapsack Pro

you have to wait 20 minutes for slow Turnip tests running too long on the red GitHub Actions node

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Run fast parallel GitHub Actions build with Knapsack Pro

GitHub Actions build completes work in only 10 minutes because Knapsack Pro ensures all parallel nodes finish work at a similar time

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You can even run 20 parallel nodes to complete your GitHub Actions build in 2 minutes

How it works

Knapsack Pro in Queue Mode splits tests in a dynamic way across parallel GitHub Actions nodes to ensure each GitHub Actions node finishes work at a similar time. Thanks to that, your CI build time is as fast as possible. It works with many supported CI servers.

Diagram that shows files distributed to 3 parallel CI nodes

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Speed up Turnip tests run your 1 hour Ruby test suite in 2 minutes with the optimal parallelisation on GitHub Actions