[Solved] How can you commit offsets manually in a Python Kafka consumer to ensure exactly-once processing? - Ans: Call consumer.commit() after processing messages | Kafka

Kafka - with Java/Python

How can you commit offsets manually in a Python Kafka consumer to ensure exactly-once processing?

AUse <code>consumer.seek_to_beginning()</code> before consuming

BSet <code>enable_auto_commit=True</code> in consumer config

CCall <code>consumer.poll()</code> repeatedly

DCall <code>consumer.commit()</code> after processing messages

Step-by-Step Solution

Solution:

Step 1: Understand manual commit
Manual offset commit requires calling consumer.commit() after processing messages.
Step 2: Differentiate from auto commit
Setting enable_auto_commit=True enables automatic commits, not manual.
Final Answer:
Call consumer.commit() after processing messages -> Option D
Quick Check:
Manual commit = consumer.commit() call [OK]

Quick Trick: Use consumer.commit() for manual offset commit [OK]

Common Mistakes:

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How can you commit offsets manually in a Python Kafka consumer to ensure exactly-once processing?