Hadoop试题试题库(20191026153811)

..1.Hadoop___C___A.B.C.D.2.Hadoop__B____A.MartinFowlerB.DougcuttingC.KentBeckD.GraceHopper3.NameNode__D___A.TaskTrackerB.DataNodeC.SecondaryNameNodeD.Jobtracker4.HDFSBlockSize___B___A.32MBB.64MBC.128MBD.256M5.____C__A.CPUB.C.IOD.6.MapReduce_____C_A.MapReduceB.MapReducegoogleC.MapReducejavaD.MapReduce8.HDFS__D____ABCD..9.HBase__A____A.HDFSB.HadoopC.MemoryD.MapReduce10.HBase___D___A.ZookeeperB.ChubbyC.RPCD.MapReduce11.HBase___A___A.ZookeeperB.ChubbyC.RPCD.Socket12.HDFS___C____A.NTFSB.FAT32C.GFSD.EXT313.SecondaryNameNode___C___A.NameNodeB.C.NameNodeNameNodeD.SecondaryNameNodeNameNode14.___D___A.B.C.D.HBase1.HBaseC..ATheGoogleFileSystemBMapReduceCBigTableDChubby2.HBaseBCDABCDNoSQL3.HBaseAAHDFSBHadoopCMemoryDMapReduce4.HBaseAAZookeeperBChubbyCRPCDSocket5.HBaseDAZookeeperBChubbyCRPCDMapReduce6.MapReduceHBaseBCAMapReduceHBaseBMapReduceHBaseCMapReduceHBaseD7.HBaseABCDABCD8.ZookeeperDAProtobuf..BJavaCKafkaDChubby9.HDFSCANTFSBFAT32CGFSDEXT310.HBaseACAHDFSBGridFSCZookeeperDEXT3HBase11.LSMAABCD12.LSMACABCFlushD13.LSMBABCD14.LSMAABCLSMDLSM15.LSMBA..BCD16HFileDataAAKeyValueBCD17HFileMetaIndexDAMetaBMetaCMetaDMeta18HFileMagicAABCD19HFileKeyValueADAbyte[]BCD20HFileKeyValueValueCABCDHBase31HBaseAAMapReduceBHiveCCoprocessorDBloomFilter32.HBaseABCDABC..DJVM33.RowkeyABCABCD34.HBaseABAMapReduceBCoprocessorCBloomFilterDFilter35.HBaseABABRowkeyCDLSM36.BloomFilterACABCDBloomFilterHBase37.HBaseABCACentOSBUbuntuCRedHatDWindows38.HBaseAA1B2C3D339.HBaseCA1B2C3D..hadoop1DougCuttingAHadoopBNutchCLuceneDSolrD2HadoopJAVA_HOMEAhadoop-default.xmlBhadoop-env.shChadoop-site.xmlDconfiguration.xslBhadoop3Hadoophadoop-site.xmlhadoop-default.xml0.20hadoop-site.xmlXMLAconf-site.xmlBmapred-site.xmlCcore-site.xmlDhdfs-site.xmlAhadoop4HDFS/user/$USERfs.default.nameA.mapred-site.xmlB.core-site.xmlC.hdfs-site.xmlD.Bhadoop5HadoopABHDFSCDHDFSDhadoop6HadoopAPI..AHadoopAPIHDFSBConfigurationHDFSCFileStatusDFSDataInputStreamjava.io.DataInputStreamA//HDFS7HDFSNameNodeABCC8HDFSnamenodeABB9SecondarynamenodenamenodeABBSecondarynamenodenamenode10datanodeVERSIONnamenodeVERSIONA.namespaceIDB.storageIDC.storageTypeD.layoutVersionBlayoutVersionHDFSnamespaceIDstorageType11ClientHDFSnamenode..datanodeBlockDataNodeDataNodeAClientBNamenodeCDatanodeDSecondarynamenodeAHDFS12HDFS64MABCDCHDFS13HDFSASequenceFileMapFileHarBMasterCBlockDnamenodeDHDFS14HDFSABCDCHDFS15Hadoopfs-get-putABCCHDFS..16NamenodeADataNodeBCDDHDFS//MapReduce17MapReduce/MapReduceAWritableBWritableComparableTCHadoopTextWritableComparableTDHadoopC18HadoopMapperAIdentityMapperK,VMapperK,V,K,VBInverseMapperK,VMapperK,V,K,V/CRegexMapperKMapperK,Text,Text,LongWritable(match,1)DTokenCountMapperKMapperK,Text,Text,LongWritable(taken,1)BInverseMapperK,VMapperK,V,V,K19HDFSMapReduceAFSDataInputStreamDataInputStreamB(InputSplit)CDHDFSB20TimestampUrlJobConfconfconf.setInputFormat(WhichInputFormat.class)WhichInputFormatATextInputFormatBKeyValueTextInputFormatCSequenceFileInputFormat..DNLineInputFormatBInputFormatKeyValueTextInputFormatkeyvalue\t21MapReduceAMapReduceBFileInputFormatgetSplits()CNullOutputFormatDreduceBnumSplitsmapred.min.size22HadoopStreamingMapReducebin/hadoopjarcontrib/streaming/hadoop-0.20-streaming.jarinputinput/filenameoutputoutputmapperdosth.py5filedosth.pyDmapred.reduce.tasks=123AHadoopStreamingUnixBHadoopStreamingCUNIXSTDINSTDOUTDReduceDreducerIdentityReducer24MapReduceMapReduceAJobJobControlBChainMapperChainReducerCChainReducermapperreducerJobConfDChainReducer.addMapper()/DChainReducer.addMapper()25HDFSCdatanode..a)NameNodeb)Jobtrackerc)Datanoded)secondaryNameNodee)tasktracker26.HDfSblockA3a)3b)2c)1d)27.NameNodeDa)SecondaryNameNodeb)DataNodec)TaskTrackerd)Jobtracker28.HadoopCDougcuttinga)MartinFowlerb)KentBeckc)Dougcutting29.HDFSBlockSizeBa)32MBb)64MBc)128MB30Ca)CPUb)c)IOd)31.SecondaryNameNodeCa)NameNodeb)c)NameNodeNameNode..d)SecondaryNameNodeNameNode1.ABDa)Puppetb)Pdshc)ClouderaManagerd)Zookeeper2.ABCa)b)DataNodec)MapReduce3.ClientBa)NameNodeDataNodeb)ClientBlockc)ClientDataNodeNameNodeBlock4.HadoopABCa)b)c)5.ClouderaCDHABCDa)Clouderamanagerb)Tarballc)Yumd)Rpm1.Ganglia2.BlockSize3.NagiosHadoopHadoop4.NameNodeSecondaryNameNode5.ClouderaCDH6.HadoopJavaMapReduceJava7.Hadoop8.NameNodemetadataclient..metadataclient9.Hadoop10.Slave11.hadoopdfsadminreportHDFS12.HadoopFIFO13.RAID14.HDFSNameNode15.map16.Mapreduceinputsplitblock17.DataNodeclusterlogNameNodeHadoopnamenode-format18.NameNodeWebUI50030jettyWeb19.HadoopHADOOP_HEAPSIZEHadoop200GB