Kafka - Consumers
Which of the following is the correct method to commit offsets synchronously in Kafka's Java consumer API?
Which of the following is the correct method to commit offsets synchronously in Kafka's Java consumer API?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Kafka consumer API methods for committing offsets
Kafka's Java consumer API provides commitSync() for synchronous commits and commitAsync() for asynchronous commits.Step 2: Identify the synchronous commit method
commitSync() is the correct method to commit offsets synchronously; others are invalid method names.Final Answer:
consumer.commitSync() -> Option AQuick Check:
Synchronous commit method = commitSync() [OK]
Quick Trick: Use commitSync() for synchronous offset commits [OK]
Common Mistakes:
- Using commitAsync() for synchronous commit
- Calling non-existent commitOffset() method
- Confusing commitNow() with commitSync()
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