:: DeveloperApi :: Identifies a particular Block of data, usually associated with a single file.
:: DeveloperApi :: This class represent an unique identifier for a BlockManager.
::DeveloperApi:: BlockReplicationPrioritization provides logic for prioritizing a sequence of peers for replicating blocks.
:: DeveloperApi :: Stores information about a block status in a block manager.
A TopologyMapper that assumes all nodes are in the same rack
A simple file based topology mapper.
:: DeveloperApi :: Flags for controlling the storage of an RDD.
::DeveloperApi:: TopologyMapper provides topology information for a given host
:: DeveloperApi :: Storage information for each BlockManager.
(Since version 2.2.0) This class may be removed or made private in a future release.