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| Interface Summary | |
|---|---|
| BlockVolumeChoosingPolicy | BlockVolumeChoosingPolicy allows a DataNode to specify what policy is to be used while choosing a volume for a block request. |
| DataNodeMXBean | This is the JMX management interface for data node information |
| Class Summary | |
|---|---|
| browseBlock_jsp | |
| browseDirectory_jsp | |
| FSDatasetInterface.BlockInputStreams | This class contains the input streams for the data and checksum of a block |
| FSDatasetInterface.BlockWriteStreams | This class contains the output streams for the data and checksum of a block |
| FSDatasetInterface.MetaDataInputStream | This class provides the input stream and length of the metadata of a block |
| RoundRobinVolumesPolicy | |
| 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 Summary | |
|---|---|
| ReplicaNotFoundException | Exception indicating that DataNode does not have a replica that matches the target block. |
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