[Solved] Why do Kafka consumers process messages instead of brokers pushing messages directly to them? — Ans: Consumers pull messages to control processing rate and handle backpressure | Kafka

Kafka - Consumers

Why do Kafka consumers process messages instead of brokers pushing messages directly to them?

AConsumers pull messages to control processing rate and handle backpressure

BBrokers cannot send messages due to network restrictions

CConsumers push acknowledgments before receiving messages

DBrokers only store messages and never interact with consumers

Step-by-Step Solution

Solution:

Step 1: Understand Kafka's pull model
Kafka uses a pull model where consumers request messages to control flow and avoid overload.
Step 2: Reason about backpressure handling
Pulling allows consumers to process at their own pace, preventing message loss or crashes.
Final Answer:
Consumers pull messages to control processing rate and handle backpressure -> Option A
Quick Check:
Pull model controls flow and backpressure [OK]

Quick Trick: Consumers pull to manage processing speed and avoid overload [OK]

Common Mistakes:

Master "Consumers" in Kafka

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Why do Kafka consumers process messages instead of brokers pushing messages directly to them?