Kafka - Monitoring and Operations
What does the UnderReplicatedPartitions metric indicate in a Kafka broker?
What does the UnderReplicatedPartitions metric indicate in a Kafka broker?
easy🧠 Conceptual Q1 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand the meaning of UnderReplicatedPartitions
This metric shows partitions whose replicas are not fully synchronized, meaning some replicas are behind.Step 2: Compare with other options
Other options describe unrelated metrics like total partitions or message rates.Final Answer:
Number of partitions that do not have all replicas in sync -> Option DQuick Check:
UnderReplicatedPartitions = Partitions not fully synced [OK]
Quick Trick: UnderReplicatedPartitions counts partitions missing synced replicas [OK]
Common Mistakes:
MISTAKES- Confusing total partitions with under-replicated ones
- Mixing message rate metrics with replication status
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