Timeouts?!MissingalarmsEverchangingsvccontractsN+1AlarmfatigueToomanyretriesNoCM/premortemAvailabilitywasn't apriorityMissingtestsTheMonolithFree!Scaling?2+2=3Networkscan fail?MissingmetricsAWSisdownToo manydependenciesHumanErrNoRetriesTimeouts?!MissingalarmsEverchangingsvccontractsN+1AlarmfatigueToomanyretriesNoCM/premortemAvailabilitywasn't apriorityMissingtestsTheMonolithFree!Scaling?2+2=3Networkscan fail?MissingmetricsAWSisdownToo manydependenciesHumanErrNoRetries

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