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chore: use ubuntu-slim for lightweight jobs#15457

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zhjwpku wants to merge 2 commits intoapache:mainfrom
zhjwpku:use_ubuntu-slim_for_lightweight_jobs
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chore: use ubuntu-slim for lightweight jobs#15457
zhjwpku wants to merge 2 commits intoapache:mainfrom
zhjwpku:use_ubuntu-slim_for_lightweight_jobs

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@zhjwpku zhjwpku commented Feb 27, 2026

ubuntu-slim is a new cost-efficient runner to fit lightweight jobs. We can use this to save ASF infra usage (if possible).

By lightweight I mean jobs that run for less than a minute and are not easily affected by other concurrently running jobs on the same host.

This topic was raised in the Apache ORC project and later adopted by iceberg-cpp. We believe it could also benefit other projects under the Apache Iceberg umbrella.

Refs:

ubuntu-slim is a new cost-efficient runner to fit lightweight jobs.
We can use this to save ASF infra usage (if possible).

By *lightweight* I mean jobs that run for less than a minute and
are not easily affected by other concurrently running jobs on the
same host.

This topic was raised in the Apache ORC project and later adopted
by iceberg-cpp. We believe it could also benefit other projects
under the Apache Iceberg umbrella.

Refs:

- https://github.blog/changelog/2025-10-28-1-vcpu-linux-runner-now-available-in-github-actions-in-public-preview/
- https://github.com/actions/runner-images/blob/main/images/ubuntu-slim/ubuntu-slim-Readme.md
- apache/iceberg-cpp#578
@github-actions github-actions bot added the INFRA label Feb 27, 2026
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zhjwpku commented Feb 27, 2026

From the message in Set up job, the failing job is running on ubuntu-24.04, which is unlikely to be caused by this PR. I'll rebase it to main branch to trigger CI and see how it goes.

@nastra nastra closed this Feb 27, 2026
@nastra nastra reopened this Feb 27, 2026
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zhjwpku commented Mar 1, 2026

Hi @nastra, thank you for reopening this PR, it seems the CI now passing, I'd appreciate it if you take another look, nice day ;)

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