Knapsack Pro

Speed up Spinach tests run your 1 hour Ruby test suite in 2 minutes
with the optimal parallelisation on Buildkite

Run Spinach tests in parallel on Buildkite in the optimal way and avoid bottleneck parallel jobs.

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Without Knapsack Pro

Uneven split

CI Node 0
9 minutes
CI Node 1
20 minutes
CI Node 2
4 minutes
CI Node 3
7 minutes

With Knapsack Pro

Optimal split

CI Node 0
10 minutes
CI Node 1
10 minutes
CI Node 2
10 minutes
CI Node 3
10 minutes

How it works

Knapsack Pro in Queue Mode splits tests in a dynamic way across parallel Buildkite nodes to ensure each Buildkite 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

Buildkite parallel agents and how to use them for CI parallelisation

Buildkite parallelism integration for Spinach

Start using Knapsack Pro with Spinach on Buildkite

Sign up and speed up your tests.

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