| Package | Description |
|---|---|
| org.apache.hadoop.hdfs.rbfbalance |
FedBalance is a tool for balancing data across federation clusters.
|
| org.apache.hadoop.hdfs.server.federation.resolver |
The resolver package contains indepedent data resolvers used in HDFS
federation.
|
| org.apache.hadoop.hdfs.server.federation.router |
The router package includes the core services for a HDFS federation router.
|
| org.apache.hadoop.hdfs.server.federation.store |
The federation state store tracks persistent values that are shared between
multiple routers.
|
| org.apache.hadoop.hdfs.server.federation.store.driver |
The state store uses modular data storage classes derived from
StateStoreDriver to handle querying, updating and deleting data records.
|
| org.apache.hadoop.hdfs.server.federation.store.driver.impl |
Implementations of state store data providers/drivers.
|
| org.apache.hadoop.hdfs.server.federation.store.protocol |
Contains the abstract definitions of the API request and response objects for
the various state store APIs.
|
| org.apache.hadoop.hdfs.server.federation.store.protocol.impl.pb |
Protobuf implementations of FederationProtocolBase request/response objects
used by state store APIs.
|
| org.apache.hadoop.hdfs.server.federation.store.records |
Contains the abstract definitions of the state store data records.
|
| org.apache.hadoop.hdfs.server.federation.store.records.impl.pb |
The protobuf implementations of state store data records defined in the
org.apache.hadoop.hdfs.server.federation.store.records package.
|
| org.apache.hadoop.hdfs.tools.federation |
It includes the tools to manage the Router-based federation.
|
| Class | Description |
|---|---|
| MountTable |
Data schema for
MountTableStore data stored in the StateStoreService. |
| Class | Description |
|---|---|
| MountTable |
Data schema for
MountTableStore data stored in the StateStoreService. |
| Class | Description |
|---|---|
| MountTable |
Data schema for
MountTableStore data stored in the StateStoreService. |
| Class | Description |
|---|---|
| BaseRecord |
Abstract base of a data record in the StateStore.
|
| Query |
Check if a record matches a query.
|
| QueryResult |
Encapsulates a state store query result that includes a set of records and a
time stamp for the result.
|
| Class | Description |
|---|---|
| BaseRecord |
Abstract base of a data record in the StateStore.
|
| Query |
Check if a record matches a query.
|
| QueryResult |
Encapsulates a state store query result that includes a set of records and a
time stamp for the result.
|
| Class | Description |
|---|---|
| BaseRecord |
Abstract base of a data record in the StateStore.
|
| Query |
Check if a record matches a query.
|
| QueryResult |
Encapsulates a state store query result that includes a set of records and a
time stamp for the result.
|
| Class | Description |
|---|---|
| MembershipState |
Data schema for storing NN registration information in the
StateStoreService. |
| MountTable |
Data schema for
MountTableStore data stored in the StateStoreService. |
| RouterState |
Entry to log the state of a
Router in the
StateStoreService. |
| Class | Description |
|---|---|
| MembershipState |
Data schema for storing NN registration information in the
StateStoreService. |
| MountTable |
Data schema for
MountTableStore data stored in the StateStoreService. |
| RouterState |
Entry to log the state of a
Router in the
StateStoreService. |
| Class | Description |
|---|---|
| BaseRecord |
Abstract base of a data record in the StateStore.
|
| DisabledNameservice |
Data record indicating a specific name service ID has been disabled and
is no longer valid.
|
| MembershipState |
Data schema for storing NN registration information in the
StateStoreService. |
| MembershipStats |
Data schema for storing NN stats in the
StateStoreService. |
| MountTable |
Data schema for
MountTableStore data stored in the StateStoreService. |
| RouterState |
Entry to log the state of a
Router in the
StateStoreService. |
| StateStoreVersion |
Entry to track the version of the State Store data stored in the State Store
by a Router.
|
| Class | Description |
|---|---|
| BaseRecord |
Abstract base of a data record in the StateStore.
|
| DisabledNameservice |
Data record indicating a specific name service ID has been disabled and
is no longer valid.
|
| MembershipState |
Data schema for storing NN registration information in the
StateStoreService. |
| MembershipStats |
Data schema for storing NN stats in the
StateStoreService. |
| MountTable |
Data schema for
MountTableStore data stored in the StateStoreService. |
| RouterState |
Entry to log the state of a
Router in the
StateStoreService. |
| StateStoreVersion |
Entry to track the version of the State Store data stored in the State Store
by a Router.
|
| Class | Description |
|---|---|
| MountTable |
Data schema for
MountTableStore data stored in the StateStoreService. |
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