GH-1283: Optimize number of build compilations in CI - #1284

Open

xborder wants to merge 14 commits into

apache:mainfrom

xborder:ci-build-once-test-many

Commits on Sep 4, 2026

MINOR: Build test artifacts once in CI
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be074da
Simplify build-once test workflow
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ee37e92
Restore custom Surefire test coverage
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569333e
Make Vector test passes explicit
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727c23f
MINOR: Align build-once workflow with current CI matrix
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123a2d5
Fix stale Arrow artifacts in hosted tests
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4683d0f
Verify prebuilt test artifacts
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a06fa44
Simplify prebuilt test validation
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639a888
Optimize build-once workflow caches
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f52284b
Quote workflow build JDK
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9ad2010
Fix build JDK workflow context
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082c2ec
Use established Maven cache keys
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24fbc90
Use shallow test checkouts
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280e3c3
Sync setup-java version with upstream
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318e38a