Clear Session From Database In Ruby On Rails

Create: app/models/session.rb

Session = CGI::Session::ActiveRecordStore::Session
Session.class_eval do
def self.sweep!
delete_all ['updated_at < ?', 15.minutes.ago.utc]
end

Add One cron jobs and swap scheduled :

1 4 * * * /usr/local/bin/ruby /app/apps/current/script/runner -e production Session.sweep!