Difference between revisions of "Tuning the Server"
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net.ipv4.tcp_max_orphans=70000 | net.ipv4.tcp_max_orphans=70000 | ||
Lower timeout to allow more connections per second<ref>https://stackoverflow.com/a/3923785/1985387</ref> | |||
net.ipv4.tcp_fin_timeout=20 | |||
==== Security limits ==== | ==== Security limits ==== | ||
Revision as of 15:24, 3 February 2022
Increase ulimit
ulimit -n 65535
Sysctl
Increase the ports available
sysctl -w net.ipv4.ip_local_port_range="9000 65500"
And add this line to /etc/sysctl.conf
net.ipv4.ip_local_port_range=9000 65500
Increase max connections
sysctl -w net.core.somaxconn=324000
And add this line to /etc/sysctl.conf
net.core.somaxconn=324000
More limits
net.ipv4.tcp_max_syn_backlog=3240000
net.core.netdev_max_backlog=70000
net.ipv4.tcp_max_orphans=70000
Lower timeout to allow more connections per second[1]
net.ipv4.tcp_fin_timeout=20
Security limits
Add these lines to /etc/security/limits.conf
* soft nofile 65535 * hard nofile 65535