Package org.apache.hadoop.metrics2.lib

Class Summary
DynamicMetricsRegistry An optional metrics registry class for creating and maintaining a collection of MetricsMutables, making writing metrics source easier.
MetricMutableHistogram A histogram implementation that runs in constant space, and exports to hadoop's metrics2 system.
MetricMutableQuantiles Watches a stream of long values, maintaining online estimates of specific quantiles with provably low error bounds.
MetricMutableRangeHistogram Extended histogram implementation with metric range counters.
MetricMutableSizeHistogram Extended histogram implementation with counters for metric size ranges.
MetricMutableTimeHistogram Extended histogram implementation with counters for metric time ranges.
MetricsExecutorImpl Class to handle the ScheduledExecutorServiceScheduledExecutorService used by MetricMutableQuantilesMetricMutableQuantiles
 



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