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Improve sort buffer sizing heuristics and honor explicit --buffer-size (#8833)

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* feat(sort): add adaptive buffer sizing and fast paths

- move heuristics into a new buffer_hint module and default to automatic sizing when the buffer flag is absent

- tune chunk and external sort buffers to avoid runaway allocations

- add fast lexicographic and ASCII case-insensitive comparisons for the default mode

- refresh spell-check and dependency metadata for the new code

* fix(sort): reuse SIGINT handler for temporary directory cleanup

- keep the latest path/lock pair in a shared registry so SIGINT always cleans the active directory

- guard handler installation with an atomic flag and reset state when the wrapper is dropped

* refactor(sort): simplify merge batch size to fixed value

Remove Linux-specific dynamic adjustment based on file descriptors and use a fixed batch size of 64 for consistency across platforms.

* fix Cargo.lock linux environments
This commit is contained in:
mattsu
2025-10-25 00:12:42 +02:00
committed by GitHub
parent 01c0a61001
commit a452d86a3a
4 changed files with 187 additions and 36 deletions
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fuzz/Cargo.lock
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+10 -10
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