You have a transactional producer sending messages to multiple partitions. How does Kafka ensure atomicity across these partitions?

hard🚀 Application Q9 of Q15

Kafka - Message Delivery Semantics

AKafka uses the transaction coordinator to commit or abort all partition writes atomically.

BKafka commits each partition independently without coordination.

CKafka requires the producer to commit each partition separately.

DKafka does not support transactions across multiple partitions.

Step-by-Step Solution

Solution:

Step 1: Understand Kafka transaction coordinator role
The transaction coordinator manages the atomic commit or abort of all messages sent in a transaction across partitions.
Step 2: Analyze other options
Kafka does not commit partitions independently or require separate commits per partition for transactions.
Final Answer:
Kafka uses the transaction coordinator to commit or abort all partition writes atomically. -> Option A
Quick Check:
Transaction coordinator ensures atomicity across partitions [OK]

Quick Trick: Transaction coordinator manages atomic commits across partitions [OK]

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