Everchangingsvccontracts2+2=3NoCM/premortemMissingalarmsMissingmetricsMissingtestsTimeouts?!Free!N+1NoRetriesAvailabilitywasn't apriorityScaling?AlarmfatigueHumanErrTheMonolithToo manydependenciesToomanyretriesAWSisdownNetworkscan fail?Everchangingsvccontracts2+2=3NoCM/premortemMissingalarmsMissingmetricsMissingtestsTimeouts?!Free!N+1NoRetriesAvailabilitywasn't apriorityScaling?AlarmfatigueHumanErrTheMonolithToo manydependenciesToomanyretriesAWSisdownNetworkscan fail?

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