3 ms·
Isn't it: the larger the better until you face diminishing returns as with small block sizes the system call overhead becomes noticeable?
by fh973 10y ago
Isn't it: the larger the better until you face diminishing returns as with small block sizes the system call overhead becomes noticeable?
- morganvachon 10y agoI've always used bs=4M for writing .iso or .img files to USB flash drives, as it gives me the best times. This is on Linux, OpenBSD, and macOS (using /dev/rdiskn for the latter two).