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Hadoop Metrics

Here is the list of metrics based on MBeans exposed by Hadoop.

Metric Name Type Attributes Description
hadoop.capacity.CapacityUsed UpDownCounter node_name Current used capacity across all data nodes
hadoop.capacity.CapacityTotal UpDownCounter node_name Current raw capacity of data nodes
hadoop.block.BlocksTotal UpDownCounter node_name Current number of allocated blocks in the system
hadoop.block.MissingBlocks UpDownCounter node_name Current number of missing blocks
hadoop.block.CorruptBlocks UpDownCounter node_name Current number of blocks with corrupt replicas
hadoop.volume.VolumeFailuresTotal UpDownCounter node_name Total number of volume failures across all data nodes
hadoop.file.FilesTotal UpDownCounter node_name Current number of files and directories
hadoop.file.TotalLoad UpDownCounter node_name Current number of connection
hadoop.datanode.Count UpDownCounter node_name, state The Number of data nodes