# 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.server.datanode.fsdataset.impl |

- Classes in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl used by org.apache.hadoop.hdfs.server.datanode.fsdataset.impl
  Class and Description
  AddBlockPoolException This exception collects all IOExceptions thrown when adding block pools and scanning volumes.
  ReservedSpaceCalculator Used for calculating file system space reserved for non-HDFS data.
  ReservedSpaceCalculator.Builder Used for creating instances of ReservedSpaceCalculator.

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