ProApacheHadoop,SecondEditionbringsyouuptospeedonHadoop–theframeworkofbigdata.RevisedtocoverHadoop2.0,thebookcoverstheverylatestdevelopmentssuchasYARN(akaMapReduce2.0),newHDFShigh-availabilityfeatures,andincreasedscalabilityintheformofHDFSFederations.Alltheoldcontenthasbeenrevis