| Package | Description |
|---|---|
| org.apache.hadoop.hdfs.server.datanode |
| Class and Description |
|---|
| CachingStrategy
The caching strategy we should use for an HDFS read or write operation.
|
| CachingStrategy.Builder |
| FinalizedReplica
This class describes a replica that has been finalized.
|
| ReplicaBeingWritten
This class represents replicas being written.
|
| ReplicaInPipeline
This class defines a replica in a pipeline, which
includes a persistent replica being written to by a dfs client or
a temporary replica being replicated by a source datanode or
being copied for the balancing purpose.
|
| ReplicaInPipelineInterface
This defines the interface of a replica in Pipeline that's being written to
|
| ReplicaUnderRecovery
This class represents replicas that are under block recovery
It has a recovery id that is equal to the generation stamp
that the replica will be bumped to after recovery
The recovery id is used to handle multiple concurrent block recoveries.
|
| ReplicaWaitingToBeRecovered
This class represents a replica that is waiting to be recovered.
|
| SecureDataNodeStarter.SecureResources
Stash necessary resources needed for datanode operation in a secure env.
|
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