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Confluent Exam CCDAK Topic 2 Question 61 Discussion

Actual exam question for Confluent's CCDAK exam
Question #: 61
Topic #: 2
[All CCDAK Questions]

How often is log compaction evaluated?

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Suggested Answer: A

Since Confluent 5.4.0, Avro 1.9.1 is used. Since default value was added to enum complex type , the schema resolution changed from:

(<1.9.1) if both are enums:** if the writer's symbol is not present in the reader's enum, then an error is signalled. **(>=1.9.1) if both are enums:

if the writer's symbol is not present in the reader's enum and the reader has a default value, then that value is used, otherwise an error is signalled.


by Abraham at Aug 05, 2024, 04:28 AM

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Elliot
2 days ago
I'm not sure if Option D is correct. Flushing a message to disk doesn't necessarily mean it's time for log compaction.
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Malcolm
8 days ago
Hmm, I see. That makes sense too, since Kafka needs to keep track of messages being sent.
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Kristofer
9 days ago
Option B seems the most logical choice. Segment closes should trigger log compaction evaluation.
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Kati
11 days ago
I believe it's actually evaluated every time a message is sent to Kafka.
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Malcolm
15 days ago
I think log compaction is evaluated every time a segment is closed.
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