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What are two examples of performance metrics?
(Select two.)
fetch-rate
Number of active users
total-login-attempts
incoming-byte-rate
Number of active user sessions
Time of last failed login
fetch-rate: Measures how frequently consumers fetch data — critical for monitoring throughput.
incoming-byte-rate: Shows how much data is being written to the broker per second — a keyproducer-side metric.
FromKafka JMX Metrics Guide:
“fetch-rate, incoming-byte-rate, request-latency are key performance metrics for producers and consumers.”
B, C, E, and F areapplication-layer business metrics, not Kafka performance metrics.
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