Sysctl: Difference between revisions
No edit summary |
|||
| Line 5: | Line 5: | ||
Keep more data in RAM instead of swapping to disk, make the system more responsive, especially if swap is on a | Keep more data in RAM instead of swapping to disk, make the system more responsive, especially if your swap (paging file in Windows terminology) file/partition is on a hard disk drive. | ||
vm.swappiness=1 | vm.swappiness=1 | ||
| Line 14: | Line 14: | ||
net.core.default_qdisc = cake | net.core.default_qdisc = cake | ||
net.ipv4.tcp_congestion_control = bbr | net.ipv4.tcp_congestion_control = bbr | ||
Allow more packets to be queued up before the system drops them, pretty much required for Gigabit+ connections | |||
net.core.netdev_max_backlog=16384 | |||
Allow more connections to be queued on the system, good for programs that establish a lot of connections, such as P2P applications. | |||
net.core.somaxconn=8192 | |||
Revision as of 18:17, 6 August 2026
All files changes go in /etc/sysctl.conf
sudo nano /etc/sysctl.conf
Memory Tweaks
Keep more data in RAM instead of swapping to disk, make the system more responsive, especially if your swap (paging file in Windows terminology) file/partition is on a hard disk drive.
vm.swappiness=1
Network
Enable BBR (https://en.wikipedia.org/wiki/TCP_congestion_control#TCP_BBR) Greater top speeds and more reliable, especially for higher latency connections like 3/4/5G and satellite.
net.core.default_qdisc = cake net.ipv4.tcp_congestion_control = bbr
Allow more packets to be queued up before the system drops them, pretty much required for Gigabit+ connections
net.core.netdev_max_backlog=16384
Allow more connections to be queued on the system, good for programs that establish a lot of connections, such as P2P applications.
net.core.somaxconn=8192