MissingmetricsEverchangingsvccontractsTimeouts?!ToomanyretriesAlarmfatigueMissingalarmsAvailabilitywasn't apriorityFree!1+1=3N+1MissingtestsNetworkscan fail?Too manydependenciesScaling?NoRetriesAWSisdownHumanErrTheMonolithNoCM/premortemMissingmetricsEverchangingsvccontractsTimeouts?!ToomanyretriesAlarmfatigueMissingalarmsAvailabilitywasn't apriorityFree!1+1=3N+1MissingtestsNetworkscan fail?Too manydependenciesScaling?NoRetriesAWSisdownHumanErrTheMonolithNoCM/premortem

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