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1、ProgrammingHiveEdwardCapriolo,DeanWampler,andJasonRutherglenBeijing•Cambridge•Farnham•Köln•Sebastopol•TokyoProgrammingHivebyEdwardCapriolo,DeanWampler,andJasonRutherglenCopyright©2012EdwardCapriolo,AspectResearchAssociates,andJasonRutherglen.Allrightsre-served.Printedinthe
2、UnitedStatesofAmerica.PublishedbyO’ReillyMedia,Inc.,1005GravensteinHighwayNorth,Sebastopol,CA95472.O’Reillybooksmaybepurchasedforeducational,business,orsalespromotionaluse.Onlineeditionsarealsoavailableformosttitles(http://my.safaribooksonline.com).Formoreinformation,conta
3、ctourcorporate/institutionalsalesdepartment:800-998-9938orcorporate@oreilly.com.Editors:MikeLoukidesandCourtneyNashIndexer:BobPfahlerProductionEditors:IrisFebresandRachelSteelyCoverDesigner:KarenMontgomeryProofreaders:StacieArellanoandKielVanHornInteriorDesigner:DavidFutat
4、oIllustrator:RebeccaDemarestOctober2012:FirstEdition.RevisionHistoryfortheFirstEdition:2012-09-17FirstreleaseSeehttp://oreilly.com/catalog/errata.csp?isbn=9781449319335forreleasedetails.NutshellHandbook,theNutshellHandbooklogo,andtheO’ReillylogoareregisteredtrademarksofO’R
5、eillyMedia,Inc.ProgrammingHive,theimageofahornet’shive,andrelatedtradedressaretrade-marksofO’ReillyMedia,Inc.Manyofthedesignationsusedbymanufacturersandsellerstodistinguishtheirproductsareclaimedastrademarks.Wherethosedesignationsappearinthisbook,andO’ReillyMedia,Inc.,wasa
6、wareofatrademarkclaim,thedesignationshavebeenprintedincapsorinitialcaps.Whileeveryprecautionhasbeentakeninthepreparationofthisbook,thepublisherandauthorsassumenoresponsibilityforerrorsoromissions,orfordamagesresultingfromtheuseoftheinformationcon-tainedherein.ISBN:978-1-44
7、9-31933-5[LSI]1347905436TableofContentsPreface....................................................................xiii1.Introduction...........................................................1AnOverviewofHadoopandMapReduce3HiveintheHadoopEcosystem6Pig8HBase8Cascading,Crunc
8、h,andOthers9JavaVersusHive:TheWordCountAlgorithm10What’sNext132.GettingStarted...........
