[Solved] Given the following JMX metric values for a Kafka broker:MessagesInPerSec = 500BytesInPerSec = 1024000BytesOutPerSec = 2048000What does this tell you about the broker's activity? | Kafka

Kafka - Monitoring and Operations

Given the following JMX metric values for a Kafka broker:
MessagesInPerSec = 500
BytesInPerSec = 1024000
BytesOutPerSec = 2048000
What does this tell you about the broker's activity?

AThe broker's incoming and outgoing bytes are equal

BThe broker is receiving more messages than it sends out

CThe broker is idle with no message traffic

DThe broker is sending out twice as much data as it receives in messages

Step-by-Step Solution

Solution:

Step 1: Analyze the metric values
MessagesInPerSec is 500, BytesInPerSec is 1,024,000 bytes, BytesOutPerSec is 2,048,000 bytes.
Step 2: Compare incoming and outgoing bytes
Outgoing bytes (2,048,000) is exactly twice the incoming bytes (1,024,000), meaning the broker sends out twice as much data as it receives.
Final Answer:
The broker is sending out twice as much data as it receives in messages -> Option D
Quick Check:
BytesOutPerSec = 2 x BytesInPerSec [OK]

Quick Trick: Compare BytesOutPerSec and BytesInPerSec values [OK]

Common Mistakes:

MISTAKES

Ignoring the difference between bytes and messages
Assuming equal incoming and outgoing bytes
Misreading the numeric values

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Given the following JMX metric values for a Kafka broker:

Step 1: Analyze the metric values

Step 2: Compare incoming and outgoing bytes

Final Answer:

Quick Check:

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