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Interface Summary | |
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HdfsConstants | Some handy internal HDFS constants |
Storage.StorageDirType | An interface to denote storage directory type Implementations can define a type for storage directory by implementing this interface. |
Upgradeable | Common interface for distributed upgrade objects. |
Class Summary | |
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GenerationStamp | A GenerationStamp is a Hadoop FS primitive, identified by a long. |
JspHelper | |
Storage | Storage information file. |
StorageInfo | Common class for storage information. |
UpgradeManager | Generic upgrade manager. |
UpgradeObject | Abstract upgrade object. |
UpgradeObjectCollection | Collection of upgrade objects. |
UpgradeStatusReport | Base upgrade upgradeStatus class. |
Util |
Enum Summary | |
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HdfsConstants.BlockUCState | States, which a block can go through while it is under construction. |
HdfsConstants.NamenodeRole | Defines the NameNode role. |
HdfsConstants.NodeType | Type of the node |
HdfsConstants.ReplicaState | Block replica states, which it can go through while being constructed. |
HdfsConstants.StartupOption | Startup options |
Storage.StorageState |
Exception Summary | |
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InconsistentFSStateException | The exception is thrown when file system state is inconsistent and is not recoverable. |
IncorrectVersionException | The exception is thrown when external version does not match current version of the application. |
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