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Package org.apache.hadoop.tools

Added Classes and Interfaces
DistCh A Map-reduce program to recursively change files properties such as owner group and permission.
GetGroupsBase Base class for the HDFS and MR implementations of tools which fetch and display the groups that users belong to.
GetUserMappingsProtocol Protocol implemented by the Name Node and Job Tracker which maps users to groups.
 

Changed Classes
HadoopArchives a archive creation utility.
Logalyzer.LogRegexMapper A Mapper that extracts text matching a regular expression.