13 lines
550 B
Markdown
13 lines
550 B
Markdown
---
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synopsis: "Linux sandbox launch overhead greatly reduced"
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cls: [5030, 5073, 5074]
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category: "Improvements"
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credits: [horrors]
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---
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Sandboxed builds are now much cheaper to launch on Linux, with constant management
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overhead. This will mostly be noticeable when building derivation trees containing
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many small derivations like nixpkgs' `writeFile` or `runCommand` with scripts that
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very quickly. In synthetic tests we have seen build times of 3000 small runCommand
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drop from 80 seconds to 14 seconds, which is the most optimistic case in practice.
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