Chris Goller

Go 1.24 introduces external caching, allowing the compiler to offload cache management to an external program. This fine-grained approach improves build efficiency. Here’s how it works under the hood.

Learn how we dramatically reduced the tail latency (p99) of our GitHub Actions Runners initialization from 39 to 9 seconds by caching API schemas.

We built out own custom Envoy discovery service to quickly add and remove BuildKit instances when running outside of AWS. Here is the full guide on how we did it.