| Interface | Description |
|---|---|
| BlockAlias |
Interface used to load provided blocks.
|
| DataNodeLockManager<T extends AutoCloseDataSetLock> |
Use for manage a set of lock for datanode.
|
| HostRestrictingAuthorizationFilter.HttpInteraction | |
| TokenVerifier<T extends org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier> |
Interface to verify delegation tokens passed through WebHDFS.
|
| Class | Description |
|---|---|
| AutoCloseDataSetLock |
Extending AutoCloseableLock such that the users can
use a try-with-resource syntax.
|
| FileRegion |
This class is used to represent provided blocks that are file regions,
i.e., can be described using (path, offset, length).
|
| HostRestrictingAuthorizationFilter |
An HTTP filter that can filter requests based on Hosts.
|
| MetricsLoggerTask |
MetricsLoggerTask can be used as utility to dump metrics to log.
|
| NoLockManager |
Some ut or temp replicaMap not need to lock with DataSetLockManager.
|
| Enum | Description |
|---|---|
| DataNodeLockManager.LockLevel |
Acquire block pool level first if you want to Acquire volume lock.
|
| 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.RollingUpgradeStartupOption |
Startup options for rolling upgrade.
|
| HdfsServerConstants.StartupOption |
Startup options
|
| Storage.StorageState |
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