Too manydependenciesN+1ToomanyretriesScaling?Missingalarms2+2=3EverchangingsvccontractsNoRetriesMissingmetricsTheMonolithNoCM/premortemAlarmfatigueNetworkscan fail?AWSisdownTimeouts?!MissingtestsHumanErrAvailabilitywasn't apriorityFree!Too manydependenciesN+1ToomanyretriesScaling?Missingalarms2+2=3EverchangingsvccontractsNoRetriesMissingmetricsTheMonolithNoCM/premortemAlarmfatigueNetworkscan fail?AWSisdownTimeouts?!MissingtestsHumanErrAvailabilitywasn't apriorityFree!

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