TheMonolithToo manydependenciesMissingtestsMissingmetricsMissingalarmsTimeouts?!AWSisdownNetworkscan fail?N+1Free!ToomanyretriesScaling?Availabilitywasn't apriorityEverchangingsvccontractsHumanErrNoCM/premortem2+2=3NoRetriesAlarmfatigueTheMonolithToo manydependenciesMissingtestsMissingmetricsMissingalarmsTimeouts?!AWSisdownNetworkscan fail?N+1Free!ToomanyretriesScaling?Availabilitywasn't apriorityEverchangingsvccontractsHumanErrNoCM/premortem2+2=3NoRetriesAlarmfatigue

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