[DX-3042] Parallelize Docker artifact copying in CRE system tests#21474
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[DX-3042] Parallelize Docker artifact copying in CRE system tests#21474
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Copy workflow artifacts to Docker containers concurrently at both the file level and the container level using errgroup, reducing the copy phase duration proportionally to the number of files × containers. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Pull request overview
Risk Rating: MEDIUM
This PR speeds up CRE system test setup by copying workflow artifacts into matching Docker containers concurrently (parallelizing both per-file and per-container operations).
Changes:
- Parallelize artifact copying across files using
errgroup. - Parallelize per-container copy/ownership-fix steps within each file copy.
- Add timing/logging around the overall copy phase.
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mchain0
approved these changes
Mar 11, 2026
skudasov
approved these changes
Mar 11, 2026
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Copy workflow artifacts to Docker containers concurrently at both the file level and the container level using errgroup, reducing the copy phase duration proportionally to the number of files × containers.