[Solved] What is the main effect of increasing fetch.max.bytes in a Kafka consumer configuration? — Ans: It allows the consumer to fetch larger batches of data in a single request. | Kafka

Kafka - Performance Tuning

What is the main effect of increasing fetch.max.bytes in a Kafka consumer configuration?

AIt limits the consumer to only fetch small messages.

BIt reduces the number of partitions the consumer can read from.

CIt allows the consumer to fetch larger batches of data in a single request.

DIt increases the consumer's commit interval automatically.

Step-by-Step Solution

Solution:

Step 1: Understand fetch.max.bytes role
This setting controls the maximum amount of data the consumer fetches in one request from the broker.
Step 2: Effect of increasing fetch.max.bytes
Increasing it allows the consumer to receive larger batches, improving throughput by reducing request overhead.
Final Answer:
It allows the consumer to fetch larger batches of data in a single request. -> Option C
Quick Check:
fetch.max.bytes = larger batch size [OK]

Quick Trick: Bigger fetch.max.bytes means bigger data chunks per fetch [OK]

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What is the main effect of increasing fetch.max.bytes in a Kafka consumer configuration?