| Interface | Description |
|---|---|
| DataNodeMXBean |
This is the JMX management interface for data node information
|
| ReplicaInPipelineInterface |
This defines the interface of a replica in Pipeline that's being written to
|
| Class | Description |
|---|---|
| browseBlock_jsp | |
| browseDirectory_jsp | |
| CachingStrategy |
The caching strategy we should use for an HDFS read or write operation.
|
| CachingStrategy.Builder | |
| dataNodeHome_jsp | |
| FinalizedReplica |
This class describes a replica that has been finalized.
|
| ReplicaBeingWritten |
This class represents replicas being written.
|
| ReplicaInfo.ReplicaDirInfo | |
| 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.
|
| 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 |
Utility class to start a datanode in a secure cluster, first obtaining
privileged resources before main startup and handing them to the datanode.
|
| SecureDataNodeStarter.SecureResources |
Stash necessary resources needed for datanode operation in a secure env.
|
| tail_jsp |
| Exception | Description |
|---|---|
| ReplicaAlreadyExistsException |
Exception indicating that the target block already exists
and is not set to be recovered/overwritten.
|
| ReplicaNotFoundException |
Exception indicating that DataNode does not have a replica
that matches the target block.
|
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