Engrain by ByteRush

CAR.07 3 concepts

Production debugging

Debug real production problems methodically, in interviews and at work.

  1. CAR.07.01A method for production debuggingCoreMid-levelBeing written
  2. CAR.07.02Frontend debugging scenariosCoreMid-levelBeing written
  3. CAR.07.03Debugging interview round formatSeniorBeing written

Interview questions in this module

  1. Users report a blank page after today's deploy. What do you do?
  2. Memory use grows over a few hours in our SPA. How do you find the cause?
  3. A feature works locally but fails in production. How do you investigate?
  4. Our INP got worse last week. How do you find what changed?
  5. Tell me about the hardest production bug you fixed.