Interface | Description |
---|---|
Storage.FormatConfirmable |
Interface for classes which need to have the user confirm their
formatting during NameNode -format and other similar operations.
|
Storage.StorageDirType |
An interface to denote storage directory type
Implementations can define a type for storage directory by implementing
this interface.
|
StorageErrorReporter |
Interface which implementations of
JournalManager can use to report
errors on underlying storage directories. |
Class | Description |
---|---|
GenerationStamp |
A GenerationStamp is a Hadoop FS primitive, identified by a long.
|
HdfsServerConstants |
Some handy internal HDFS constants
|
JspHelper | |
Storage |
Storage information file.
|
Storage.StorageDirectory |
One of the storage directories.
|
StorageInfo |
Common class for storage information.
|
UpgradeStatusReport |
Base upgrade upgradeStatus class.
|
Util |
Enum | Description |
---|---|
HdfsServerConstants.BlockUCState |
States, which a block can go through while it is under construction.
|
HdfsServerConstants.NamenodeRole |
Defines the NameNode role.
|
HdfsServerConstants.NodeType |
Type of the node
|
HdfsServerConstants.ReplicaState |
Block replica states, which it can go through while being constructed.
|
HdfsServerConstants.StartupOption |
Startup options
|
Storage.StorageState |
Exception | Description |
---|---|
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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