IPVS as load balancer

IPVS as load balancer#

https://medium.com/@benmeier_/a-quick-minimal-ipvs-load-balancer-demo-d5cc42d0deb4

Get stats#

$ sudo ipvsadm -L -n --stats --rate
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port    Conns   InPkts  OutPkts  InBytes OutBytes
  -> RemoteAddress:Port
TCP  1.2.3.4:80           80      560     400      36000   41040
  -> 172.17.0.3:80        22      154      110     9900    11286
  -> 172.17.0.4:80        58      406      290     26100   29754

Ref.#

  • https://medium.com/@benmeier_/a-quick-minimal-ipvs-load-balancer-demo-d5cc42d0deb4

  • https://debugged.it/blog/ipvs-the-linux-load-balancer/

  • https://kubernetes.io/blog/2018/07/09/ipvs-based-in-cluster-load-balancing-deep-dive/