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feat: add --build-dir option to allow building on a scratch space#548

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veprbl wants to merge 1 commit into
opensciencegrid:masterfrom
eic:pr/build-dir
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feat: add --build-dir option to allow building on a scratch space#548
veprbl wants to merge 1 commit into
opensciencegrid:masterfrom
eic:pr/build-dir

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@veprbl veprbl commented Jun 1, 2026

We notice that Apptainer sandbox builds incur additional penalties when working directly on network file system. This implements an optional mode in which the build is done on a faster scratch space and then relocated. Tests show a 35% wallclock speedup for container synchronization when using this at out deployment at BNL.

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