Uses of Interface
org.apache.hadoop.hdfs.server.federation.store.StateStoreCache
Packages that use StateStoreCache
Package
Description
The resolver package contains indepedent data resolvers used in HDFS
federation.
The federation state store tracks persistent values that are shared between
multiple routers.
Contains implementations of the state store API interfaces.
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Uses of StateStoreCache in org.apache.hadoop.hdfs.server.federation.resolver
Classes in org.apache.hadoop.hdfs.server.federation.resolver that implement StateStoreCacheModifier and TypeClassDescriptionclassImplements a cached lookup of the most recently active namenode for a particular nameservice.classMount table to map between global paths and remote locations.classMount table resolver that supports multiple locations for each mount entry. -
Uses of StateStoreCache in org.apache.hadoop.hdfs.server.federation.store
Classes in org.apache.hadoop.hdfs.server.federation.store that implement StateStoreCacheModifier and TypeClassDescriptionclassCachedRecordStore<R extends BaseRecord>Record store that takes care of caching the records in memory.classState store record to track disabled name services.classManagement API for NameNode registrations stored inMembershipStaterecords.classManagement API for the HDFS mount table information stored inMountTablerecords.classManagement API forRouterStaterecords in the state store.Methods in org.apache.hadoop.hdfs.server.federation.store with parameters of type StateStoreCacheModifier and TypeMethodDescriptionvoidStateStoreService.registerCacheExternal(StateStoreCache client) Register a cached record store for automatic periodic cache updates. -
Uses of StateStoreCache in org.apache.hadoop.hdfs.server.federation.store.impl
Classes in org.apache.hadoop.hdfs.server.federation.store.impl that implement StateStoreCacheModifier and TypeClassDescriptionclassImplementation ofDisabledNameserviceStore.classImplementation of theMembershipStoreState Store API.classImplementation of theMountTableStorestate store API.classImplementation of theRouterStorestate store API.