[Solved] What does the Kafka producer configuration buffer.memory control? — Ans: The total memory available to the producer for buffering records before sending | Kafka

Kafka - Performance Tuning

What does the Kafka producer configuration buffer.memory control?

AThe maximum size of a single message sent to Kafka

BThe number of retries for failed message sends

CThe total memory available to the producer for buffering records before sending

DThe timeout for network requests

Step-by-Step Solution

Solution:

Step 1: Understand the role of buffer.memory
The buffer.memory setting defines how much total memory the producer can use to buffer records waiting to be sent.
Step 2: Differentiate from other settings
It is not related to message size, retries, or timeouts, which are controlled by other configs.
Final Answer:
The total memory available to the producer for buffering records before sending -> Option C
Quick Check:
buffer.memory = total buffer memory [OK]

Quick Trick: buffer.memory sets total buffer size in bytes [OK]

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What does the Kafka producer configuration buffer.memory control?