Uses of Package
org.apache.hadoop.hdfs.server.federation.router

Packages that use org.apache.hadoop.hdfs.server.federation.router

Package	Description
org.apache.hadoop.hdfs.protocolPB	This package contains the implementation of the Protocol Buffers protocols related to HDFS Router.
org.apache.hadoop.hdfs.server.federation.fairness	Includes router handlers fairness manager and policy implementations.
org.apache.hadoop.hdfs.server.federation.metrics	Report metrics for Router-based Federation.
org.apache.hadoop.hdfs.server.federation.resolver	The resolver package contains indepedent data resolvers used in HDFS federation.
org.apache.hadoop.hdfs.server.federation.resolver.order	A federated location can be resolved to multiple subclusters.
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.router.async	This package contains classes that facilitate asynchronous operations within the Hadoop Distributed File System (HDFS) Federation router.
org.apache.hadoop.hdfs.server.federation.router.security	Includes router security manager and token store implementations.
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.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.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.protocolPB

Class	Description
NameserviceManager	Interface for enable/disable name service.
RouterAdminServer	This class is responsible for handling all the Admin calls to the HDFS router.
RouterStateManager	Interface of managing the Router state.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.fairness

Class	Description
Router	Router that provides a unified view of multiple federated HDFS clusters.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.metrics

Class	Description
Router	Router that provides a unified view of multiple federated HDFS clusters.
RouterRpcMonitor	Metrics and monitoring interface for the router RPC server.
RouterRpcServer	This class is responsible for handling all of the RPC calls to the It is created, started, and stopped by Router.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.resolver

Class	Description
RemoteLocationContext	Base class for objects that are unique to a namespace.
Router	Router that provides a unified view of multiple federated HDFS clusters.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.resolver.order

Class	Description
Router	Router that provides a unified view of multiple federated HDFS clusters.
RouterRpcServer	This class is responsible for handling all of the RPC calls to the It is created, started, and stopped by Router.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.router

Class	Description
ConnectionContext	Context to track a connection in a ConnectionPool.
ConnectionPoolId	Identifier for a connection for a user to a namenode.
MountTableRefresherThread	Base class for updating mount table cache on all the router.
NamenodeHeartbeatService	The Router periodically checks the state of a Namenode (usually on the same server) and reports their high availability (HA) state and load/space status to the StateStoreService .
NameserviceManager	Interface for enable/disable name service.
PeriodicService	Service to periodically execute a runnable.
PoolAlignmentContext	An alignment context shared by all connections in a ConnectionPool.
Quota	Module that implements the quota relevant RPC calls ClientProtocol.setQuota(String, long, long, StorageType) and ClientProtocol.getQuotaUsage(String) in the RouterRpcServer.
RemoteLocationContext	Base class for objects that are unique to a namespace.
RemoteMethod	Determines the remote client protocol method and the parameter list for a specific location.
RemoteParam	A dynamically assignable parameter that is location-specific.
RemoteResult	Result from a remote location.
Router	Router that provides a unified view of multiple federated HDFS clusters.
RouterAdminServer	This class is responsible for handling all the Admin calls to the HDFS router.
RouterClient	Client to connect to the Router via the admin protocol.
RouterClientMetrics	This class is for maintaining the various Router Client activity statistics and publishing them through the metrics interfaces.
RouterClientProtocol	Module that implements all the RPC calls in ClientProtocol in the RouterRpcServer.
RouterClientProtocol.GetListingComparator	For GetLisiting to sort results.
RouterFederationRename	Rename across router federation namespaces based on federation balance.
RouterFederationRename.RouterRenameOption
RouterHttpServer	Web interface for the Router.
RouterMetrics	This class is for maintaining the various Router activity statistics and publishing them through the metrics interfaces.
RouterPermissionChecker	Class that helps in checking permissions in Router-based federation.
RouterQuotaManager	Router quota manager in Router.
RouterQuotaUsage	The subclass of QuotaUsage used in Router-based federation.
RouterQuotaUsage.Builder	Build the instance based on the builder.
RouterRpcClient	A client proxy for Router to NN communication using the NN ClientProtocol.
RouterRpcClient.ExecutionStatus	The RouterRpcClient.ExecutionStatus class is a utility class used to track the status of execution operations performed by the RouterRpcClient.
RouterRpcMonitor	Metrics and monitoring interface for the router RPC server.
RouterRpcServer	This class is responsible for handling all of the RPC calls to the It is created, started, and stopped by Router.
RouterServiceState	States of the Router.
RouterStateIdContext	This is the router implementation to hold the state Ids for all namespaces.
RouterStateManager	Interface of managing the Router state.
RouterStoragePolicy	Module that implements all the RPC calls in ClientProtocol related to Storage Policy in the RouterRpcServer.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.router.async

Class	Description
ErasureCoding	Module that implements all the RPC calls in ClientProtocol related to Erasure Coding in the RouterRpcServer.
Quota	Module that implements the quota relevant RPC calls ClientProtocol.setQuota(String, long, long, StorageType) and ClientProtocol.getQuotaUsage(String) in the RouterRpcServer.
RemoteLocationContext	Base class for objects that are unique to a namespace.
RemoteMethod	Determines the remote client protocol method and the parameter list for a specific location.
RemoteResult	Result from a remote location.
Router	Router that provides a unified view of multiple federated HDFS clusters.
RouterCacheAdmin	Module that implements all the RPC calls in ClientProtocol related to Cache Admin in the RouterRpcServer.
RouterClientProtocol	Module that implements all the RPC calls in ClientProtocol in the RouterRpcServer.
RouterNamenodeProtocol	Module that implements all the RPC calls in NamenodeProtocol in the RouterRpcServer.
RouterRpcClient	A client proxy for Router to NN communication using the NN ClientProtocol.
RouterRpcMonitor	Metrics and monitoring interface for the router RPC server.
RouterRpcServer	This class is responsible for handling all of the RPC calls to the It is created, started, and stopped by Router.
RouterSnapshot	Module that implements all the RPC calls related to snapshots in ClientProtocol in the RouterRpcServer.
RouterStateIdContext	This is the router implementation to hold the state Ids for all namespaces.
RouterStoragePolicy	Module that implements all the RPC calls in ClientProtocol related to Storage Policy in the RouterRpcServer.
RouterUserProtocol	Module that implements all the RPC calls in RefreshUserMappingsProtocol GetUserMappingsProtocol in the RouterRpcServer.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.router.security

Class	Description
Router	Router that provides a unified view of multiple federated HDFS clusters.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.store

Class	Description
MountTableRefresherService	This service is invoked from MountTableStore when there is change in mount table entries and it updates mount table entry cache on local router as well as on all remote routers.
PeriodicService	Service to periodically execute a runnable.
RouterQuotaManager	Router quota manager in Router.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.store.records

Class	Description
RouterQuotaUsage	The subclass of QuotaUsage used in Router-based federation.
RouterServiceState	States of the Router.

Classes in org.apache.hadoop.hdfs.server.federation.router used by org.apache.hadoop.hdfs.server.federation.store.records.impl.pb

Class	Description
RouterQuotaUsage	The subclass of QuotaUsage used in Router-based federation.
RouterServiceState	States of the Router.