Added cargo cache improvements 2025H2 goal #317
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ehuss
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Jul 8, 2025
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| * Stabilize Cargo `build-dir` which allows users to move intermediate build artifacts out of `target` (rust-lang/cargo#14125) | ||
| * Rework the build directory layout so that we have more easily cacheable "units" (rust-lang/cargo#15010) | ||
| * Work towards a user wide build cache that can be reused across projects/workspaces. (rust-lang/cargo#5931) | ||
| * Explore possibilities of extending this build cache to support remote storage enabling continuous integration use cases. | ||
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Something we discussed today in the cargo team meeting is that this seems a little ambitious for a 6-month goal. I'm not sure what changes would be appropriate, but maybe @epage has some ideas.
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My thought was to scale this down to the build directory layout re-work + experiments with an alternative locking scheme to try to help with r-a today and inform the locking scheme we use on the shared cache.
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Sure, seems reasonable. I suppose nothing is stopping us from continuing towards the shared cache if things go quicker than expected.
I'll update this goal later this.
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I'd like to revive the Cargo user wide cache project goal from 2024H2.
Many sections remain unchanged, but some have been updated as there was some progress towards this in 2025H1.
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