What is the replacement of NULLIF in Hive?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IwouldliketoknowwhatisthereplacementofNULLIFinHive?IamusingCOALESCEbutitsnotservingmyrequirement.M......
How do you retrieve the replication factor info in
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Ihavesetthereplicationfactorformyfileasfollows: hadoopfs-Ddfs.replication=5-copyFromLocalfile.txt/user/x......
Hadoop gen1 vs Hadoop gen2
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IamabitconfusedaboutplaceoftasktrackerinHadoop-2.x. DaemonsinHadoop-1.xarenamenode,datanode,jobtracker,......
Can I use 2 fields terminators(like ',' an
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Ihaveafilewithidandyear.Myfieldsareseparatedby,and..IsthereanychanceIcanintheplaceoffieldsterm......
Hadoop jobs fail when submitted by users other tha
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IamrunningatestclusterrunningMRv1(CDH5)pairedwithLocalFileSystem,andtheonlyuserIamabletorunjobsasismapred(asmapred......
Error in starting namenode in hadoop 2.4.1
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: WhenItrytostartdfsusing: start-dfs.sh Igetanerrorsaying: 14/07/0311:03:21WARNutil.NativeCodeLoader:Unabletoload native-h......
Merging small files in hadoop
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Ihaveadirectory(FinalDir)inHDFSinwhichsomefiles(ex:10mb)areloadingeveryminute. Aftersometimeiwanttocombineallthesm......
How to update a file in HDFS
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IknowthatHDFSiswriteonceandreadmanytimes. SupposeifiwanttoupdateafileinHDFSisthereanywaytodoit? Thankyouinadvan......
Which hadoop version should I choose among 1.x, 2.
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: HelloIamnewtoHadoopandprettyconfusedwiththeversionnamesandwhichoneshouldIuseamong1.x(greatsupportandlearningresourc......
How to specify AWS Access Key ID and Secret Access
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Iampassinginputandoutputfoldersasparameterstomapreducewordcountprogramfromwebpage. Gettingbelowerror: HTTPStatus500......
namespace image and edit log
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Fromthebook"HadoopTheDefinitiveGuide",underthetopicNamenodesandDatanodesitismentionedthat: Thenamenodemanagesthefiles......
Error during benchmarking Sort in Hadoop2 - Partit
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IamtryingtobenchmarkHadoop2MapReduceframework.ItisNOTTeraSort.Buttestmapredsort. step-1 Createrandomdata: hadoopjarhadoop......
Yarn application not getting killed even after App
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Myapplicationissufferingbecauseofthisissue,whichisEvenafterkillingtheapplicationmaster,theapplicationisnotactuallygettin......
Ended Job = job_local644049657_0014 with errors Er
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Howtofindthelogfile Pleaseguide IhavecheckedintheurlofResoucemanager.Butididntfindanylogfile Thisisthecompleteerr......
Execution Error, return code 1 while executing que
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Iamdoingtwittersentimentanalysisusinghadoop,flumeandhive. Ihavecreatedthetableusing hive-ftweets.sql tweets.sql --crea......
Hue 500 server error
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IamcreatingaMapReducesimplejob.Aftersubmitting,itsgivingbelowerror Suggesttofixthisissue 回答1: IknowIamtoolateto......
What is the difference between JobClient.java and
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Whichoftheseisusedtosubmitjobforexecutioninjobtracker.Itwouldbegreatifonecanexplainhowboththeseclassesarebeingused......
How do I scale my AWS EMR cluster with 1 master an
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IhaveimplementedaclusterusingAWSEMR.Ihaveamasterndoewith2corenodeswithhadoopbootstrapaction.Now,Iwouldliketouseaut......
Not able to recover partitions through alter table
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: IamnotabletorunALTERTABLEMY_EXTERNAL_TABLERECOVERPARTITIONS;onhive1.2,howeverwhenirunthealternativeMSCKREPAIRTABLEMY_E......
Error message while copy file from LocalFile to hd
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):问题: Itriedtocopyfilefromlocalto hdfs.Usingthecommand hadoopdfs-copyFromLocalin//user/hduser/hadoop Thefollowingerrormessages......
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