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

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

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

- ## Uses of ReservedSpaceCalculator in org.apache.hadoop.hdfs

  Fields in org.apache.hadoop.hdfs with type parameters of type ReservedSpaceCalculator
  Modifier and Type
  Field
  Description
  `static final Class<? extends ReservedSpaceCalculator>`
  DFSConfigKeys.`DFS_DATANODE_DU_RESERVED_CALCULATOR_DEFAULT`

- ## Uses of ReservedSpaceCalculator in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl

  Subclasses of ReservedSpaceCalculator in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl
  Modifier and Type
  Class
  Description
  `static class`
  `ReservedSpaceCalculator.ReservedSpaceCalculatorAbsolute`
  Based on absolute number of reserved bytes.
  `static class`
  `ReservedSpaceCalculator.ReservedSpaceCalculatorAggressive`
  Calculates absolute and percentage based reserved space and picks the one that will yield less reserved space.
  `static class`
  `ReservedSpaceCalculator.ReservedSpaceCalculatorConservative`
  Calculates absolute and percentage based reserved space and picks the one that will yield more reserved space.
  `static class`
  `ReservedSpaceCalculator.ReservedSpaceCalculatorPercentage`
  Based on percentage of total capacity in the storage.