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@yew1eb yew1eb commented Jan 18, 2026

Which issue does this PR close?

Closes #1926

Rationale for this change

To improve TPC-DS performance in CI: reverting to opt-level=1 cuts TPC-DS runtime from 56 mins to 39 mins, reducing overall CI duration (compile time increase is negligible).

What changes are included in this PR?

Are there any user-facing changes?

How was this patch tested?

@github-actions github-actions bot added the infra label Jan 18, 2026
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yew1eb commented Jan 18, 2026

Current CI TPC-DS test won't run, fixed by #1908

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CI TPC-DS Tests: Auron queries significantly slower than spark

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