You want to ensure maximum data safety in Kafka producer but can tolerate some delay. Which acks setting should you use and why?

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Kafka - Producers

You want to ensure maximum data safety in Kafka producer but can tolerate some delay. Which acks setting should you use and why?

A<code>acks=1</code> because leader confirmation is enough

B<code>acks=all</code> because it waits for all replicas

C<code>acks=0</code> because it is fastest

D<code>acks=-1</code> because it disables acknowledgments

Step-by-Step Solution

Solution:

Step 1: Identify safety vs speed tradeoff
acks=all waits for all replicas to confirm, ensuring maximum data safety but slower performance.
Step 2: Evaluate other options
acks=0 is fastest but unsafe, acks=1 waits only for leader, and acks=-1 is invalid or equivalent to acks=all but less clear.
Final Answer:
acks=all because it waits for all replicas -> Option B
Quick Check:
Max safety = acks=all [OK]

Quick Trick: Max safety means waiting for all replicas: acks=all [OK]

Common Mistakes:

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