K6 large tests

Network connections

• https://k6.io/docs/testing-guides/running-large-tests/
  • https://serverfault.com/questions/234534/is-it-dangerous-to-change-the-value-of-proc-sys-net-ipv4-tcp-tw-reuse

sysctl -w net.ipv4.ip_local_port_range="1024 65535"
sysctl -w net.ipv4.tcp_tw_reuse=1
sysctl -w net.ipv4.tcp_timestamps=1
ulimit -n 250000

Kubernetes

• https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/
  • https://stackoverflow.com/questions/69880265/set-systctl-in-kubenetes-for-pod
  • net.ipv4.tcp_tw_reuse is considered an "unsafe sysctl"