I found that implementing a local cache on the runners has been helpful. Ingress... | Hacker News

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		featherless 4 days ago \| parent \| context \| favorite \| on: Pricing Changes for GitHub Actions I found that implementing a local cache on the runners has been helpful. Ingress/egress on local network is hella slow, especially when each build has ~10-20GB of artifacts to manage.

esafak 4 days ago [–]

What do you use for the local cache?

featherless 4 days ago | [–]

Just wrote about my approach yesterday: https://jeffverkoeyen.com/blog/2025/12/15/SlotWarmedCaching/

tl;dr uses a local slot-based cache that is pre-warmed after every merge to main, taking Sidecar builds from ~10-15 minutes to <60 seconds.

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