Package alluxio.metrics
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Interface Summary Interface Description MetricsAggregator Interface for the aggregator that aggregates a cluster-level metric from the metrics of different hosts.MultiValueMetricsAggregator An interface for the aggregator that aggregates metrics of different hosts into multiple cluster-level metrics.SingleValueAggregator Interface for the aggregator that aggregates into a single value from the metrics of different hosts. -
Class Summary Class Description InstrumentedExecutorService A wrapper aroundInstrumentedExecutorService
that allows the metrics to be reset byMetricsSystem.resetAllMetrics()
.MaxReservoir A wrapper aroundReservoir
that keeps track of the max value sent as an update to this reservoir.Metric A metric of a given instance.MetricInfo Metric information.MetricKey Metric keys.MetricKey.Builder Builder to createMetricKey
instances.MetricKey.Name A nested class to hold named string constants for their corresponding metrics.MetricsConfig Configurations used by the metrics system.MetricsFilter A filter that matches the instance-level metrics by the instance type and metric name.MetricsSystem A MetricsSystem is created by a specific instance(master, worker).MetricsSystem.MultiTimerContext A timer context with multiple timers.OperationSystemGaugeSet A set of counters for the os metric.TimeSeries Represents a time series which can be graphed in the UI. -
Enum Summary Enum Description MetricInfo.UfsOps The list of under filesystem operations triggered by master or workers.MetricsSystem.InstanceType An enum of supported instance type.