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Change pr-builder runner from ubuntu-latest to linux-amd64-cpu4 - #617

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bdice wants to merge 1 commit into
rapidsai:mainfrom
bdice:pr-builder-self-hosted
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Change pr-builder runner from ubuntu-latest to linux-amd64-cpu4#617
bdice wants to merge 1 commit into
rapidsai:mainfrom
bdice:pr-builder-self-hosted

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@bdice

@bdice bdice commented Aug 20, 2026

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GitHub’s ubuntu-latest runners are heavily backlogged, and pr-builder cannot run, which blocks merges. Switching to use self-hosted CPU runners should help alleviate the problem.

@bdice
bdice requested a review from a team as a code owner August 20, 2026 03:20
@bdice
bdice requested review from jameslamb and removed request for a team August 20, 2026 03:20
@gforsyth

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Do we still want to do this?

@jakirkham mentioned we've had our limit bumped for those runners last night at ~9pm eastern: https://nvidia.slack.com/archives/C01PF84NXCL/p1787186487740469?thread_ts=1787181186.430319&cid=C01PF84NXCL

@jameslamb

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I just asked our GitHub contacts a clarifying question... pr-builder might be a good fit for ubuntu-slim runners: https://github.blog/changelog/2025-10-28-1-vcpu-linux-runner-now-available-in-github-actions-in-public-preview/

Those are physically smaller and we might face higher concurrency limits for them... if so I'd rather switch to that than put more burden on our self-hosted CPU runners.

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3 participants