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ingress-nginx/docs/examples/customization/sysctl
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Jintao Zhang c2e1f34cbe
images: upgrade to Alpine 3.18 (#9997) 
Alpine Linux 3.18 was released
https://alpinelinux.org/posts/Alpine-3.18.0-released.html

Signed-off-by: Jintao Zhang <zhangjintao9020@gmail.com>
 		2023-05-26 17:54:49 -07:00
..
README.md Minor documentation cleanup (#7826) 2022-01-16 16:57:28 -08:00
patch.json images: upgrade to Alpine 3.18 (#9997) 2023-05-26 17:54:49 -07:00

README.md

Sysctl tuning

This example aims to demonstrate the use of an Init Container to adjust sysctl default values using kubectl patch.

kubectl patch deployment -n ingress-nginx ingress-nginx-controller \
    --patch="$(curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/docs/examples/customization/sysctl/patch.json)"

Changes:

  • Backlog Queue setting net.core.somaxconn from 128 to 32768
  • Ephemeral Ports setting net.ipv4.ip_local_port_range from 32768 60999 to 1024 65000

In a post from the NGINX blog, it is possible to see an explanation for the changes.