@Private @Evolving

Package org.apache.hadoop.hdfs.client.impl.metrics

Support for tracking Block Reader Local's latencies.

Class Summary

Class	Description
BlockReaderIoProvider	Profiles BlockReaderLocal short circuit read latencies when ShortCircuit read metrics is enabled through DfsClientConf.ShortCircuitConf.scrMetricsEnabled.
BlockReaderLocalMetrics	This class maintains a metric of rolling average latency for short circuit reads.