[Solved] You set buffer.memory=1024 and batch.size=2048 in Kafka producer config. What issue will occur? — Ans: Producer will block or throw an error when batch.size exceeds buffer.memory | Kafka

Kafka - Performance Tuning

You set buffer.memory=1024 and batch.size=2048 in Kafka producer config. What issue will occur?

AProducer will throw a configuration error on startup

BNo issue; Kafka adjusts batch.size automatically

CProducer will silently drop messages exceeding buffer.memory

DProducer will block or throw an error when batch.size exceeds buffer.memory

Step-by-Step Solution

Solution:

Step 1: Compare batch.size and buffer.memory values
Here, batch.size (2048) is larger than buffer.memory (1024), which is invalid.
Step 2: Kafka behavior on invalid buffer sizes
Kafka producer will block or throw an error because it cannot allocate a batch larger than total buffer memory.
Final Answer:
Producer will block or throw an error when batch.size exceeds buffer.memory -> Option D
Quick Check:
batch.size must be ≤ buffer.memory [OK]

Quick Trick: batch.size cannot be bigger than buffer.memory [OK]

Common Mistakes:

Master "Performance Tuning" in Kafka

9 interactive learning modes - each teaches the same concept differently

More Kafka Quizzes

You set buffer.memory=1024 and batch.size=2048 in Kafka producer config. What issue will occur?