[Solved] If a Kafka consumer metric shows:{"records-lag-max": 100}What does this metric tell you? - Ans: The maximum number of records the consumer is behind the producer | Kafka

Kafka - with Java/Python

If a Kafka consumer metric shows:
{"records-lag-max": 100}
What does this metric tell you?

AThe total number of records consumed

BThe number of partitions assigned to the consumer

CThe maximum number of records the consumer is behind the producer

DThe consumer's processing speed in records per second

Step-by-Step Solution

Solution:

Step 1: Understand records-lag-max meaning
This metric shows the largest lag in records between consumer and producer for any partition.
Step 2: Exclude other interpretations
Total consumed records, partition count, and processing speed are different metrics.
Final Answer:
The maximum number of records the consumer is behind the producer -> Option C
Quick Check:
records-lag-max = max lag behind producer [OK]

Quick Trick: Lag max shows how far consumer is behind producer [OK]

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