Changed Classes |
CheckpointSignature
|
A unique signature intended to identify checkpoint transactions. |
DatanodeDescriptor
|
DatanodeDescriptor tracks stats on a given DataNode such as available storage capacity last update time etc. |
FSEditLog
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FSEditLog maintains a log of the namespace modifications. |
FSImage
|
FSImage handles checkpointing and logging of the namespace edits. |
FSNamesystem
|
FSNamesystem does the actual bookkeeping work for the DataNode. |
FileDataServlet
|
Redirect queries about the hosted filesystem to an appropriate datanode. |
FsckServlet
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This class is used in Namesystem's web server to do fsck on namenode. |
ListPathsServlet
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Obtain meta-information about a filesystem. |
NameNode
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NameNode serves as both directory namespace manager and "inode table" for the Hadoop DFS. |
NamenodeFsck
|
This class provides rudimentary checking of DFS volumes for errors and sub-optimal conditions. |
SafeModeException
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This exception is thrown when the name node is in safe mode. |
SecondaryNameNode
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The Secondary NameNode is a helper to the primary NameNode. |
StreamFile
|
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UpgradeObjectNamenode
|
Base class for name-node upgrade objects. |