Kafka - Schema Registry
If a schema removes a required field, which compatibility rule will most likely reject the new schema?
If a schema removes a required field, which compatibility rule will most likely reject the new schema?
medium📝 Predict Output Q5 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand removing required fields effect
Removing a required field breaks FORWARD compatibility because old consumers expect that field.Step 2: Identify which rule rejects this change
FORWARD compatibility requires old schemas to read new data, which fails if required fields are removed.Final Answer:
FORWARD compatibility -> Option DQuick Check:
Removing required field breaks FORWARD compatibility [OK]
Quick Trick: Removing required fields breaks FORWARD compatibility [OK]
Common Mistakes:
MISTAKES- Assuming BACKWARD compatibility rejects removal
- Confusing which direction compatibility applies
- Thinking NONE compatibility rejects changes
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