MissingalarmsMissingmetricsAlarmfatigueN+1Free!ToomanyretriesTimeouts?!Scaling?EverchangingsvccontractsNetworkscan fail?TheMonolithMissingtestsAvailabilitywasn't apriorityToo manydependenciesNoRetriesNoCM/premortem1+1=3HumanErrAWSisdownMissingalarmsMissingmetricsAlarmfatigueN+1Free!ToomanyretriesTimeouts?!Scaling?EverchangingsvccontractsNetworkscan fail?TheMonolithMissingtestsAvailabilitywasn't apriorityToo manydependenciesNoRetriesNoCM/premortem1+1=3HumanErrAWSisdown

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