Difference between revisions of "Tuning the Server"
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(more limits) |
(Add postgres optimizations from RYD) |
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| (3 intermediate revisions by one other user not shown) | |||
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net.ipv4.tcp_max_syn_backlog=3240000 | net.ipv4.tcp_max_syn_backlog=3240000 | ||
net.core.netdev_max_backlog= | net.core.netdev_max_backlog=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 ==== | ||
| Line 23: | Line 27: | ||
* soft nofile 65535 | * soft nofile 65535 | ||
* hard nofile 65535 | * hard nofile 65535 | ||
== Postgres == | |||
Autovacuum - 10mins <ref>https://discord.com/channels/603643120093233162/603643299961503761/958431436023672842</ref> | |||
Hugepages for shared_memory buffers | |||
syncronous_commits off <ref>https://discord.com/channels/603643120093233162/607338052221665320/961280147611353088</ref> | |||
Latest revision as of 22:44, 6 April 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
Postgres
Autovacuum - 10mins [2]
Hugepages for shared_memory buffers
syncronous_commits off [3]