Docker Ignores limits.conf (trying to solve “too many open files” error)

Question

I\'m running a web server that is handling many thousands of concurrent web socket connections. For this to be possible, on Debian linux (my base image is google/debian:wheezy,

Answer 1

I was able to mitgiate this issue with the following configuration :

I used ubuntu 14.04 linux for the docker machine and the host machine.

On the host machine You need to :

• update the /etc/security/limits.conf to include :* - nofile 64000
• add to your /etc/sysctl.conf : fs.file-max = 64000
• restart sysctl : sudo sysctl -p