Rails / Capistrano：检查sidekiq是否在EC2实例上运行

I'm using an EC2 instance for hosting a rails application. I'm deploying with capistrano and I had already included sidekiq and it's working fine. However, sometimes on deploy, and sometimes sporadically, sidekiq stops running and I don't notice until some tasks that use sidekiq doesn't run. I'm using an EC2 instance for hosting a rails a