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Package org.apache.hadoop.net

Added Classes
CachedDNSToSwitchMapping A cached implementation of DNSToSwitchMapping that takes an raw DNSToSwitchMapping and stores the resolved network location in a cache.
 

Changed Classes
NetUtils  
NetworkTopology The class represents a cluster of computer with a tree hierarchical network topology.
ScriptBasedMapping This class implements the DNSToSwitchMapping interface using a script configured via topology.script.file.name .