Debugging 100% CPU usage in production Ruby on Rails systemsSam Saffron Programming, Technology and the Art of Hacking Today I noticed one of our customer containers was running really high on CPU. # top -bn1 190 discour+ 20 0 2266292 205128 15656 S 86.7 0.3 9377:35 ruby # ps aux discour+ 190 19.4 0.3 2266292 207096 ? Sl 2017 9364:38 sidekiq 5.0.5 discourse [1 of 5 busy] Looks like sidekiq is stuck on a job. Where is it stuck? Usually, this is where the st
