| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.blockmanagement | |
| org.apache.hadoop.hdfs.server.namenode | 
| Class and Description | 
|---|
| BlockManagerFaultInjector Used to inject certain faults for testing. | 
| BlockStoragePolicySuite A collection of block storage policies. | 
| CorruptReplicasMap.Reason The corruption reason code | 
| DatanodeDescriptor.CachedBlocksList.Type | 
| DatanodeStorageInfo A Datanode has one or more storages. | 
| HostSet The HostSet allows efficient queries on matching wildcard addresses. | 
| Class and Description | 
|---|
| BlockStoragePolicySuite A collection of block storage policies. | 
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