Package org.apache.hadoop.hdfs.server.aliasmap
package org.apache.hadoop.hdfs.server.aliasmap
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ClassDescriptionInMemoryAliasMap is an implementation of the InMemoryAliasMapProtocol for use with LevelDB.InMemoryAliasMap.CheckedFunction2<T1,
T2, R> CheckedFunction is akin toFunctionbut specifies an IOException.Protocol used by clients to read/write data about aliases of provided blocks for an in-memory implementation of theBlockAliasMap.The result of a read from the in-memory aliasmap.InMemoryLevelDBAliasMapServer is the entry point from the Namenode into theInMemoryAliasMap.