@InterfaceAudience.Public @InterfaceStability.Evolving
See: Description
| Interface | Description | 
|---|---|
| HdfsClientConfigKeys.BlockWrite | dfs.client.block.write configuration properties | 
| HdfsClientConfigKeys.BlockWrite.ReplaceDatanodeOnFailure | |
| HdfsClientConfigKeys.DeprecatedKeys | These are deprecated config keys to client code. | 
| HdfsClientConfigKeys.Failover | dfs.client.failover configuration properties | 
| HdfsClientConfigKeys.HedgedRead | dfs.client.hedged.read configuration properties | 
| HdfsClientConfigKeys.HttpClient | dfs.http.client configuration properties | 
| HdfsClientConfigKeys.Mmap | dfs.client.mmap configuration properties | 
| HdfsClientConfigKeys.Read | dfs.client.read configuration properties | 
| HdfsClientConfigKeys.Read.ShortCircuit | |
| HdfsClientConfigKeys.Retry | dfs.client.retry configuration properties | 
| HdfsClientConfigKeys.ShortCircuit | dfs.client.short.circuit configuration properties | 
| HdfsClientConfigKeys.StripedRead | dfs.client.read.striped configuration properties | 
| HdfsClientConfigKeys.Write | dfs.client.write configuration properties | 
| HdfsClientConfigKeys.Write.ByteArrayManager | 
| Class | Description | 
|---|---|
| BlockReportOptions | Options that can be specified when manually triggering a block report. | 
| BlockReportOptions.Factory | |
| DfsPathCapabilities | |
| HdfsAdmin | The public API for performing administrative functions on HDFS. | 
| HdfsDataInputStream | The Hdfs implementation of  FSDataInputStream. | 
| HdfsDataOutputStream | The Hdfs implementation of  FSDataOutputStream. | 
| HdfsUtils | The public utility API for HDFS. | 
| Enum | Description | 
|---|---|
| CreateEncryptionZoneFlag | CreateEncryptionZoneFlag is used in
  HdfsAdmin.createEncryptionZone(Path, String, EnumSet)to indicate
 what should be done when creating an encryption zone. | 
| HdfsDataOutputStream.SyncFlag | 
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