Uses of Package org.apache.hadoop.hdfs.server.datanode.fsdataset.impl (Apache Hadoop HDFS 3.5.0 API)
Description: use: package: org.apache.hadoop.hdfs.server.datanode.fsdataset.impl

# Uses of Package
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl

Packages that use org.apache.hadoop.hdfs.server.datanode.fsdataset.impl
Package
Description
org.apache.hadoop.hdfs
A distributed implementation of `FileSystem`.
org.apache.hadoop.hdfs.server.datanode
org.apache.hadoop.hdfs.server.datanode.fsdataset
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl

- Classes in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl used by org.apache.hadoop.hdfs
  Class
  Description
  RamDiskReplicaLruTracker
  An implementation of RamDiskReplicaTracker that uses an LRU eviction scheme.
  ReservedSpaceCalculator
  Used for calculating file system space reserved for non-HDFS data.
- Classes in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl used by org.apache.hadoop.hdfs.server.datanode
  Class
  Description
  FsVolumeImpl
  The underlying volume used to store replica.
- Classes in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl used by org.apache.hadoop.hdfs.server.datanode.fsdataset
  Class
  Description
  FsVolumeImpl
  The underlying volume used to store replica.
  MountVolumeMap
  MountVolumeMap contains information of the relationship between underlying filesystem mount and datanode volumes.
- Classes in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl used by org.apache.hadoop.hdfs.server.datanode.fsdataset.impl
  Class
  Description
  AddBlockPoolException
  This exception collects all IOExceptions thrown when adding block pools and scanning volumes.
  BlockPoolSlice
  A block pool slice represents a portion of a block pool stored on a volume.
  FsVolumeImpl.BlockDirFilter
  Filter for block file names stored on the file system volumes.
  MappableBlock
  Represents an HDFS block that is mapped by the DataNode.
  MappableBlockLoader
  Maps block to DataNode cache region.
  PmemMappableBlockLoader
  Maps block to persistent memory by using mapped byte buffer.
  PmemVolumeManager
  Manage the persistent memory volumes.
  RamDiskReplicaTracker
  ReservedSpaceCalculator
  Used for calculating file system space reserved for non-HDFS data.
  ReservedSpaceCalculator.Builder
  Used for creating instances of ReservedSpaceCalculator.