Free!AWSisdownNetworkscan fail?TheMonolithTimeouts?!1+1=3AlarmfatigueMissingmetricsNoCM/premortemN+1Too manydependenciesScaling?ToomanyretriesHumanErrAvailabilitywasn't apriorityNoRetriesMissingalarmsMissingtestsEverchangingsvccontractsFree!AWSisdownNetworkscan fail?TheMonolithTimeouts?!1+1=3AlarmfatigueMissingmetricsNoCM/premortemN+1Too manydependenciesScaling?ToomanyretriesHumanErrAvailabilitywasn't apriorityNoRetriesMissingalarmsMissingtestsEverchangingsvccontracts

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