MissingalarmsAWSisdownToo manydependenciesN+1AlarmfatigueNoCM/premortemEverchangingsvccontractsMissingmetrics2+2=3Timeouts?!MissingtestsNetworkscan fail?Free!HumanErrScaling?NoRetriesAvailabilitywasn't apriorityToomanyretriesTheMonolithMissingalarmsAWSisdownToo manydependenciesN+1AlarmfatigueNoCM/premortemEverchangingsvccontractsMissingmetrics2+2=3Timeouts?!MissingtestsNetworkscan fail?Free!HumanErrScaling?NoRetriesAvailabilitywasn't apriorityToomanyretriesTheMonolith

Operational Excellence - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. Missing alarms
  2. AWS is down
  3. Too many dependencies
  4. N+1
  5. Alarm fatigue
  6. No CM/premortem
  7. Ever changing svc contracts
  8. Missing metrics
  9. 2+2=3
  10. Timeouts?!
  11. Missing tests
  12. Networks can fail?
  13. Free!
  14. Human Err
  15. Scaling?
  16. No Retries
  17. Availability wasn't a priority
  18. Too many retries
  19. The Monolith