| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.namenode | 
| Class and Description | 
|---|
| AuditLogger Interface defining an audit logger. | 
| BlockResolver Given an external reference, create a sequence of blocks and associated
 metadata. | 
| FixedBlockResolver Resolver mapping all files to a configurable, uniform blocksize. | 
| HdfsAuditLogger Extension of  AuditLogger. | 
| TreePath Traversal cursor in external filesystem. | 
| TreeWalk Traversal yielding a hierarchical sequence of paths. | 
| UGIResolver Pluggable class for mapping ownership and permissions from an external
 store to an FSImage. | 
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