Package org.apache.kafka.common.metrics

Provides the API used by Kafka clients to emit metrics which are then exposed using the * MetricsReporter interface.

Interface Summary

Interface	Description
CompoundStat	A compound stat is a stat where a single measurement and associated data structure feeds many metrics.
Gauge<T>	A gauge metric is an instantaneous reading of a particular value.
Measurable	A measurable quantity that can be registered as a metric
MeasurableStat	A MeasurableStat is a Stat that is also Measurable (i.e.
MetricsContext	MetricsContext encapsulates additional contextLabels about metrics exposed via a MetricsReporter
MetricsReporter	A plugin interface to allow things to listen as new metrics are created so they can be reported.
MetricValueProvider<T>	Super-interface for Measurable or Gauge that provides metric values.
Stat	A Stat is a quantity such as average, max, etc that is computed off the stream of updates to a sensor

Class Summary

Class	Description
CompoundStat.NamedMeasurable
JmxReporter	Register metrics in JMX as dynamic mbeans based on the metric names
KafkaMetric
KafkaMetricsContext	A implementation of MetricsContext, it encapsulates required metrics context properties for Kafka services and clients
MetricConfig	Configuration values for metrics
Metrics	A registry of sensors and metrics.
Quota	An upper or lower bound for metrics
Sensor	A sensor applies a continuous sequence of numerical values to a set of associated metrics.

Enum Summary

Enum	Description
Sensor.RecordingLevel

Exception Summary

Exception	Description
QuotaViolationException	Thrown when a sensor records a value that causes a metric to go outside the bounds configured as its quota