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Kafka Metrics

FusionReactor tracks a variety of metrics for Kafka consumers. Each consumer has its own set of metrics, which can be selected using the menu in the top-right corner of the page.

Tracked metrics include (but are not limited to):

  • Assigned Partitions – Number of partitions assigned to the consumer.
  • Commit Rate – Frequency of offset commits.
  • Heartbeat Rate – Frequency of heartbeat messages sent to the broker.
  • Commit Latency Average – Average time taken to commit offsets.
  • Bytes Consumed Rate – Rate of bytes consumed from Kafka.
  • Record Consumed Rate – Number of records consumed per unit time.
  • Fetch Size Average – Average size of fetch requests.
  • Request Size Average – Average size of requests sent to the broker.
  • Outgoing and Incoming Byte Rate – Network throughput to and from the Kafka broker.

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Kafka monitoring

Kafka Node Metrics

The Kafka Node Metrics page displays metrics for individual brokers. Each consumer tracks the brokers it is connected to separately, allowing detailed monitoring of broker-specific activity.

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Kafka monitoring per broker metrics

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