linux-network-performance-parameters

Learn where some of the network sysctl variables fit into the Linux/Kernel network flow.

TOC

• Introduction
• Linux network queues overview
• Fitting the sysctl variables into the Linux network flow
  • Ingress - they're coming
  • Egress - they're leaving
  • How to check - perf
• What, Why and How - network and sysctl parameters
  • Ring Buffer - rx,tx
  • Interrupt Coalescence (IC) - rx-usecs, tx-usecs, rx-frames, tx-frames (hardware IRQ)
  • Interrupt Coalescing (soft IRQ) and Ingress QDisc
  • Egress QDisc - txqueuelen and default_qdisc
  • TCP Read and Write Buffers/Queues
  • Honorable mentions - TCP FSM and congestion algorithm
• Network tools
• References

from https://github.com/leandromoreira/linux-network-performance-parameters

Topics