Kubernetes - Operators and Custom Resources
An Operator manages a custom database resource. How does it ensure the database is always running as desired?
An Operator manages a custom database resource. How does it ensure the database is always running as desired?
hard📝 Workflow Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Operator reconciliation loop
Operators watch resources and reconcile actual state to match desired spec continuously.Step 2: Evaluate options
Only continuous watch and reconcile ensures database stays running as desired.Final Answer:
By continuously watching the resource and reconciling actual state to desired state -> Option DQuick Check:
Continuous reconciliation ensures desired state [OK]
Quick Trick: Operators use reconciliation loops to maintain desired state [OK]
Common Mistakes:
- Assuming Operators create static Pods only once
- Thinking Operators disable native controllers
- Believing manual restarts are needed
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