Which statement is true about how exactly-once semantics (EOS) work in Kafka Streams?

Question

Options

• AKafka Streams disables log compaction on internal changelog topics to preserve all state
• BEOS in Kafka Streams relies on transactional producers to atomically commit state updates to
• CKafka Streams provides EOS by periodically checkpointing state stores and replaying changelogs
• DEOS in Kafka Streams is implemented by creating a separate Kafka topic for deduplication of all

• A
  29% (12)
• B
  45% (19)
• C
  17% (7)
• D
  10% (4)

Explanation

Exactly-once semantics (EOS) in Kafka Streams rely on transactional producers to atomically commit both state updates to internal changelog topics and output records to Kafka, ensuring no duplication or loss even in case of failures.

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