[Solved] If batch.size is set to 32768 and linger.ms is 10, what is the effect on message sending? — Ans: Messages are sent when batch reaches 32KB or after 10ms delay | Kafka

Kafka - Performance Tuning

If batch.size is set to 32768 and linger.ms is 10, what is the effect on message sending?

AMessages are sent only when batch size exceeds 10KB

BMessages are sent when batch reaches 32KB or after 10ms delay

CMessages are sent immediately ignoring batch size and linger.ms

DMessages are sent only after 10ms delay regardless of batch size

Step-by-Step Solution

Solution:

Step 1: Understand batch.size and linger.ms interaction
batch.size sets max batch size; linger.ms sets max wait time before sending batch.
Step 2: Sending condition
Producer sends batch when either batch size is reached or linger.ms time passes, whichever comes first.
Final Answer:
Messages are sent when batch reaches 32KB or after 10ms delay -> Option B
Quick Check:
batch.size or linger.ms triggers send [OK]

Quick Trick: Batch sends on size or linger.ms timeout [OK]

Common Mistakes:

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If batch.size is set to 32768 and linger.ms is 10, what is the effect on message sending?