[Solved] Why is it important to monitor the lag of MirrorMaker consumers in a disaster recovery setup? — Ans: To ensure data is replicated in near real-time and avoid data loss | Kafka

Kafka - Multi-Datacenter and Replication

Why is it important to monitor the lag of MirrorMaker consumers in a disaster recovery setup?

ATo increase the replication factor automatically

BTo reduce the number of Kafka topics

CTo disable replication when lag is high

DTo ensure data is replicated in near real-time and avoid data loss

Step-by-Step Solution

Solution:

Step 1: Understand MirrorMaker consumer lag
Lag shows how far behind MirrorMaker is in replicating data.
Step 2: Explain importance of monitoring lag
Monitoring lag helps detect delays to prevent data loss and ensure timely replication.
Final Answer:
To ensure data is replicated in near real-time and avoid data loss -> Option D
Quick Check:
Lag monitoring = timely replication [OK]

Quick Trick: Monitor lag to catch replication delays early [OK]

Common Mistakes:

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