4 ms·
The kernel has to buffer everything you send in a sliding window, to retry missed acks. Userspace buffering only reduces syscalls. A lot of people with strong
by erik_seaberg 4y ago
The kernel has to buffer everything you send in a sliding window, to retry missed acks. Userspace buffering only reduces syscalls.
A lot of people with strong preferences about segment boundaries and timing are arguing with TCP and probably shouldn’t be using it.
- Ferret7446 4y ago> Userspace buffering only reduces syscalls. "only". The kernel also buffers disk writes, but god help you if you're writing files to disk byte by byte.