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The following commit(s) were added to refs/heads/main by this push:
     new 5af667e  [SPARK-55758] Use `ubuntu-slim` for GitHub Actions 
`license-check` job
5af667e is described below

commit 5af667eb410e886f9180e124a14ec3241d57137c
Author: Dongjoon Hyun <[email protected]>
AuthorDate: Sat Feb 28 13:37:43 2026 -0800

    [SPARK-55758] Use `ubuntu-slim` for GitHub Actions `license-check` job
    
    ### What changes were proposed in this pull request?
    
    This PR aims to use `ubuntu-slim` for GitHub Actions `license-check` job.
    
    ### Why are the changes needed?
    
    `ubuntu-slim` is a new cost-efficient runner to fit small jobs like 
`license-check`. We had better use this to save ASF infra usage (if possible)
    - 
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
    
    | Feature | `ubuntu-slim` | `ubuntu-latest` |
    | :--- | :---: | :---: |
    | **Cost (per minute)** | **$0.002** | **$0.012** |
    | **Cost for 1,000 mins** | **$2.00** | **$12.00** |
    | **CPU** | 1 vCPU | 4 vCPU |
    | **Memory (RAM)** | 5 GB | 16 GB |
    | **Storage (SSD)** | 14 GB | 14 GB |
    | **Maximum Runtime** | **15 Minutes** | 6 Hours |
    | **Isolation Type** | Container-based (L2) | Dedicated VM |
    
    ### Does this PR introduce _any_ user-facing change?
    
    No.
    
    ### How was this patch tested?
    
    Pass the CIs.
    
    ### Was this patch authored or co-authored using generative AI tooling?
    
    Generated-by: `Gemini 3.1 Pro (High)` on `Antigravity`
    
    Closes #531 from dongjoon-hyun/SPARK-55758.
    
    Authored-by: Dongjoon Hyun <[email protected]>
    Signed-off-by: Dongjoon Hyun <[email protected]>
---
 .github/workflows/build_and_test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build_and_test.yml 
b/.github/workflows/build_and_test.yml
index aa2cbc1..991082b 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -16,7 +16,7 @@ concurrency:
 jobs:
   license-check:
     name: "License Check"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     timeout-minutes: 20
     steps:
       - name: Checkout repository


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