Tag: debugging

All the articles with the tag "debugging".

• Chasing a Ghost Worker: Debugging Stale Sidekiq Jobs

  Published:Mar 24, 2026 |  at 12:22 PM

  A production debugging story about tracking down persistent `NameError` crashes caused by stale Sidekiq jobs for a deleted worker class. Learn why draining all Redis queues matters and how `select` vs `each` can bite you at scale.