[Solved] Given the following Kafka consumer code snippet in Python, what will be printed?... Given the following Kafka consumer code snippet in Python, what will be printed? | Kafka

Kafka - Consumers

Given the following Kafka consumer code snippet in Python, what will be printed?

from kafka import KafkaConsumer

consumer = KafkaConsumer('test-topic', bootstrap_servers=['localhost:9092'])
for message in consumer:
    print(message.value.decode('utf-8'))
    break

AThe first message's value from 'test-topic' decoded as UTF-8

BAll messages from 'test-topic' printed continuously

CAn error because decode is not a method

DNo output because the loop breaks immediately

Step-by-Step Solution

Solution:

Step 1: Understand the consumer loop behavior
The for loop reads messages from 'test-topic' one by one.
Step 2: Analyze the print and break statements
The first message's value is decoded from bytes to string and printed, then the loop breaks immediately.
Final Answer:
The first message's value from 'test-topic' decoded as UTF-8 -> Option A
Quick Check:
Print first message then break = first message only [OK]

Quick Trick: Loop breaks after first message, so only one prints [OK]

Common Mistakes:

Thinking all messages print
Confusing decode method usage
Assuming no output due to break

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More Kafka Quizzes

Given the following Kafka consumer code snippet in Python, what will be printed?

Step 1: Understand the consumer loop behavior

Step 2: Analyze the print and break statements

Final Answer:

Quick Check:

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