Why change net.inet.tcp.tcbhashsize in FreeBSD?
- by sh-beta
In virtually every FreeBSD network tuning document I can find:
# /boot/loader.conf
net.inet.tcp.tcbhashsize=4096
This is usually paired with some unhelpful statement like "TCP control-block hash table tuning" or "Set this to a reasonable value." man 4 tcp isn't much help either:
tcbhashsize Size of the TCP control-block hash table…