JiM.am Affiliate Marketing > Misc > Optimising Nginx in Linux

Optimising Nginx in Linux

I found one of the servers was throwing up a 500 error quite regularly. I checked the logs and in /var/log/nginx/error.log I found the following errors:

socket() failed (24: Too many open files) while connecting to upstream, client
socket() failed (23: Too many open files in system) while connecting to upstream, client

Solution was to increase the number of worker connections and edit a few files to allow more open files on the file system.

// edit /etc/nginx/nginx.conf
worker_connections 8024;

//add line to /etc/sysctl.conf
fs.file-max = 120000

//add two lines to /etc/security/limits.conf
*                soft    nofile          30000
*                hard    nofile          60000

//then run:
sysctl -p

//restart nginx for good measure
/etc/init.d/nginx restart


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