Package org.apache.hadoop.hdfs.server.datanode.metrics

Interface Summary

Interface	Description
FSDatasetMBean	This Interface defines the methods to get the status of a the FSDataset of a data node.

Class Summary

Class	Description
DataNodeDiskMetrics	This class detects and maintains DataNode disk outliers and their latencies for different ops (metadata, read, write).
DataNodeDiskMetrics.DiskLatency	This structure is a wrapper over disk latencies.
DataNodeMetricHelper
DataNodeMetrics	This class is for maintaining the various DataNode statistics and publishing them through the metrics interfaces.
DataNodePeerMetrics	This class maintains DataNode peer metrics (e.g.
OutlierDetector	A utility class to help detect resources (nodes/ disks) whose aggregate latency is an outlier within a given set.