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* feat: dynamically adjust merge batch size based on file descriptor limits - Add `effective_merge_batch_size()` function to calculate batch size considering fd soft limit, with minimums and safety margins. - Generalize fd limit handling from Linux-only to Unix systems using `fd_soft_limit()`. - Update merge logic to use dynamic batch size instead of fixed `settings.merge_batch_size` to prevent fd exhaustion. * fix(sort): update rlimit fetching to use fd_soft_limit with error handling Replace direct call to get_rlimit()? with fd_soft_limit(), adding a check for None value to return a usage error if rlimit cannot be fetched. This improves robustness on Linux by ensuring proper error handling when retrieving the file descriptor soft limit. * refactor(sort): restrict nix::libc and fd_soft_limit to Linux Update conditional compilation attributes from #[cfg(unix)] to #[cfg(target_os = "linux")] for the nix::libc import and fd_soft_limit function implementations, ensuring these features are only enabled on Linux systems to improve portability and avoid issues on other Unix-like platforms. * refactor: improve thread management and replace unsafe libc calls Replace unsafe libc::getrlimit calls in fd_soft_limit with safe nix crate usage. Update Rayon thread configuration to use ThreadPoolBuilder instead of environment variables for better control. Add documentation comment to effective_merge_batch_size function for clarity. * refactor(linux): improve error handling in fd_soft_limit function Extract the rlimit fetching logic into a separate `get_rlimit` function that returns `UResult<usize>` and properly handles errors with `UUsageError`, instead of silently returning `None` on failure or infinity. This provides better error reporting for resource limit issues on Linux platforms. * refactor(sort): reorder imports in get_rlimit for consistency Reordered the nix::sys::resource imports to group constants first (RLIM_INFINITY), then types (Resource), and finally functions (getrlimit), improving code readability and adhering to import style guidelines. |
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| bin | ||
| common | ||
| uu | ||
| uucore | ||
| uucore_procs | ||
| lib.rs | ||