Kubernetes - Production Best Practices
A pod with no priorityClassName is scheduled. Which PriorityClass value will it get if a globalDefault PriorityClass exists with value 1000?
A pod with no priorityClassName is scheduled. Which PriorityClass value will it get if a globalDefault PriorityClass exists with value 1000?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Understand globalDefault PriorityClass role
If a pod does not specify priorityClassName, it inherits the PriorityClass marked as globalDefault.Step 2: Apply globalDefault value to pod
The pod will get the priority value of the globalDefault PriorityClass, which is 1000 in this case.Final Answer:
The pod gets priority value 1000 -> Option BQuick Check:
Pod inherits globalDefault PriorityClass value if none specified [OK]
Quick Trick: Pods without priorityClassName get globalDefault PriorityClass value [OK]
Common Mistakes:
- Assuming pod priority is 0 without priorityClassName
- Thinking pod fails without priorityClassName
- Believing pod gets highest priority by default
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