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1、www.it-ebooks.infowww.it-ebooks.infoProgrammingHiveEdwardCapriolo,DeanWampler,andJasonRutherglenBeijing•Cambridge•Farnham•Köln•Sebastopol•Tokyowww.it-ebooks.infoProgrammingHivebyEdwardCapriolo,DeanWampler,andJasonRutherglenCopyright©2012EdwardCapriolo,A
2、spectResearchAssociates,andJasonRutherglen.Allrightsre-served.PrintedintheUnitedStatesofAmerica.PublishedbyO’ReillyMedia,Inc.,1005GravensteinHighwayNorth,Sebastopol,CA95472.O’Reillybooksmaybepurchasedforeducational,business,orsalespromotionaluse.Onlinee
3、ditionsarealsoavailableformosttitles(http://my.safaribooksonline.com).Formoreinformation,contactourcorporate/institutionalsalesdepartment:800-998-9938orcorporate@oreilly.com.Editors:MikeLoukidesandCourtneyNashIndexer:BobPfahlerProductionEditors:IrisFebr
4、esandRachelSteelyCoverDesigner:KarenMontgomeryProofreaders:StacieArellanoandKielVanHornInteriorDesigner:DavidFutatoIllustrator:RebeccaDemarestOctober2012:FirstEdition.RevisionHistoryfortheFirstEdition:2012-09-17FirstreleaseSeehttp://oreilly.com/catalog/
5、errata.csp?isbn=9781449319335forreleasedetails.NutshellHandbook,theNutshellHandbooklogo,andtheO’ReillylogoareregisteredtrademarksofO’ReillyMedia,Inc.ProgrammingHive,theimageofahornet’shive,andrelatedtradedressaretrade-marksofO’ReillyMedia,Inc.Manyofthed
6、esignationsusedbymanufacturersandsellerstodistinguishtheirproductsareclaimedastrademarks.Wherethosedesignationsappearinthisbook,andO’ReillyMedia,Inc.,wasawareofatrademarkclaim,thedesignationshavebeenprintedincapsorinitialcaps.Whileeveryprecautionhasbeen
7、takeninthepreparationofthisbook,thepublisherandauthorsassumenoresponsibilityforerrorsoromissions,orfordamagesresultingfromtheuseoftheinformationcon-tainedherein.ISBN:978-1-449-31933-5[LSI]1347905436www.it-ebooks.infoTableofContentsPreface...............
8、.....................................................xiii1.Introduction...........................................................1AnOverviewofHadoopandMapReduce3HiveintheHadoopEcosystem6Pig8HBase8Cascading,Crunch,andOthers9JavaV