Comments (1)
Svetlitski
commented on August 23, 2024
You can currently accomplish this by setting the RAYON_NUM_THREADS environment variable. For example, to perform a copy while using only 1 thread you would run:
RAYON_NUM_THREADS=1 fcp source dest
Note that this is not documented as it is an implementation detail, and thus subject to change. An explicit command-line argument for setting the maximum number of threads used may or may not be implemented in the future.
Regarding your second comment, per the README, fcp is optimized specifically for systems with an SSD, and thus I would caution against using it on a system with "rotating storage" (by which I assume you are referring to an HDD).
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Related Issues (20)
- Request for musl build? HOT 5
- support copy-on-write on Linux
- Build failed: use of unstable library feature 'array_from_ref' HOT 1
- Compile error: "use of unstable library feature 'array_from_ref' " HOT 1
- Feature request: terminal-based progress bar
- Feature request: Speed limit and IOPS limit. HOT 1
- Benchmarks question: what is copying time? HOT 1
- Shall fcp on Linux use `posix_fadvise(POSIX_FADV_NOREUSE)`? HOT 1
- Platform independent packages (i.e. Flatpak or Snap) HOT 1
- Support for common flags from GNU ls HOT 2
- ＄Sign up for GitHub Sponsors ＄ HOT 1
- windows build fails with `cargo install fcp` HOT 1
- Deadlock when copying to a FAT32 volume
- [Feature] A progress meter would be nice HOT 2
- [Feature] Support clonefile(2) on macOS
- Benchmarks: compare with GNU Parallel
- [Feature] Move option would be nice
- Query for writing to SSD from NLSAS
- Disappointing results on workstation with btrfs raid1
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