13 lines
403 B
Markdown
13 lines
403 B
Markdown
---
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synopsis: "`nix copy` is now several times faster at `querying info about /nix/store/...`"
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cls: [1462]
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issues: [fj#366]
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credits: [jade]
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category: Fixes
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---
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We fixed a locking bug that serialized `querying info about /nix/store/...`
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onto just one thread such that it was eating `O(paths to copy * latency)` time
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while setting up to copy paths to s3 and other stores. It is now `nproc` times
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faster.
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