If your containers suddenly stop working due to “Too Many Open Files”, you can adjust that with the
DefaultLimitNOFILE on the SystemD configuration files
/etc/systemd/system.conf. Depending your system setup, you may need to adjust both.
In my case I have,
DefaultLimitNOFILE=16384:65535 for the
user.conf file and
DefaultLimitNOFILE=65535:524288 for the
Reboot your system after adjusting this setting. After that, you will also be able to tweak value between the soft and hard limits using the