Linux Tuning

This page contains a quick reference guide for Linux tuning for Data Transfer hosts connected at speeds of 1Gbps or higher. Note that most of the tuning settings described here will actually decrease performance of hosts connected at rates less than 1Gbps, such as most home users. Note that the settings on this page are not attempting to achieve full 10G with a single flow. These settings assume y

[yass]

" Some experts also say to set net.ipv4.tcp_timestamps and net.ipv4.tcp_sack to 0, as doing that reduces CPU load. We strongly disagree with that recommendation, as we have observed that the default value of 1 helps in more cases than it hurts, and can help a lot."

[saoshima]

Linux tuning network tcp congestion