RabbitMQ can run out of file descriptors

Got this helpful log message after complains things weren’t working: =WARNING REPORT==== 12-Aug-2016::07:16:55 === file descriptor limit alarm set. ******************************************************************** *** New connections will not be accepted until this alarm clears *** ********************************************************************   Found this: https://bugs.launchpad.net/fuel/+bug/1279594   need to adjust /etc/defaults/rabbitmq-server Uncomment #ulimit -n 1024 Change it to ulimit -n 102400 Restart rabbit.