| 接口 | 说明 |
|---|---|
| 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.
|
| 类 | 说明 |
|---|---|
| GenerationStamp |
A GenerationStamp is a Hadoop FS primitive, identified by a long.
|
| 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 |
| 枚举 | 说明 |
|---|---|
| HdfsConstants.NodeType |
Type of the node
|
| HdfsConstants.StartupOption | |
| Storage.StorageState |
| 异常错误 | 说明 |
|---|---|
| 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 appication.
|
Copyright © 2009 The Apache Software Foundation