| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.client | 
 This package provides the administrative APIs for HDFS. 
 | 
| org.apache.hadoop.hdfs.protocol | 
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements. 
 | 
| Class and Description | 
|---|
| CacheDirectiveEntry
 Describes a path-based cache directive entry. 
 | 
| CacheDirectiveInfo
 Describes a path-based cache directive. 
 | 
| CachePoolEntry
 Describes a Cache Pool entry. 
 | 
| CachePoolInfo
 CachePoolInfo describes a cache pool. 
 | 
| EncryptionZone
 A simple class for representing an encryption zone. 
 | 
| Class and Description | 
|---|
| CacheDirectiveInfo
 Describes a path-based cache directive. 
 | 
| CacheDirectiveStats
 Describes a path-based cache directive. 
 | 
| CachePoolInfo
 CachePoolInfo describes a cache pool. 
 | 
| CachePoolStats
 CachePoolStats describes cache pool statistics. 
 | 
| ECBlockGroupStats
 Get statistics pertaining to blocks of type  
BlockType.STRIPED
 in the filesystem. | 
| QuotaExceededException
 This exception is thrown when modification to HDFS results in violation
 of a directory quota. 
 | 
| ReplicatedBlockStats
 Get statistics pertaining to blocks of type  
BlockType.CONTIGUOUS
 in the filesystem. | 
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