network
ipvs load balancer
· ☕ 1 分钟
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/

kube-proxy
· ☕ 1 分钟
Ref. Evolution_of_kube_proxy.pdf https://arthurchiao.art/blog/cracking-k8s-node-proxy/

TCP State
· ☕ 1 分钟
Ref. https://www.ibm.com/docs/en/zos/2.1.0?topic=SSLTBW_2.1.0/com.ibm.zos.v2r1.halu101/constatus.htm