bin/hdfs dfs -mkdir xmkdir

[root@cdh1 Desktop]# cd /home/hadoop/data/[root@cdh1 data]# lbash: l: command not found[root@cdh1 data]# lltotal 0[root@cdh1 data]# ls -ltotal 0[root@cdh1 data]# cd ../name/[root@cdh1 name]# ll^[[Dtotal 0[root@cdh1 name]# lltotal 0[root@cdh1 name]# ls -ltotal 0[root@cdh1 name]# /data/hadoop/bash: /data/hadoop/: is a directory[root@cdh1 name]# cd /data/hadoop/[root@cdh1 hadoop]# lsdata  hdfs  name  tmp[root@cdh1 hadoop]# ls -ltotal 16drwxrwxrwx 2 hadoop hadoop 4096 Jul  4  2015 datadrwxrwxrwx 2 hadoop hadoop 4096 Jul  4  2015 hdfsdrwxrwxrwx 2 hadoop hadoop 4096 Jul  4  2015 namedrwxrwxrwx 2 hadoop hadoop 4096 Jul  4  2015 tmp[root@cdh1 hadoop]# cd data/[root@cdh1 data]# ls[root@cdh1 data]# cd ../name/[root@cdh1 name]# ls[root@cdh1 name]# cd ../tmp/[root@cdh1 tmp]# ls[root@cdh1 tmp]# cd ../hdfs/[root@cdh1 hdfs]# ls[root@cdh1 hdfs]# hadoop namenode -formatDEPRECATED: Use of this script to execute hdfs command is deprecated.Instead use the hdfs command for it.16/06/16 18:42:38 INFO namenode.NameNode: STARTUP_MSG: /************************************************************STARTUP_MSG: Starting NameNodeSTARTUP_MSG:   host = cdh1/127.0.0.1STARTUP_MSG:   args = [-format]STARTUP_MSG:   version = 2.6.0STARTUP_MSG:   classpath = /user/local/hadoop-2.6.0/etc/hadoop:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jackson-mapper-asl-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-configuration-1.6.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/api-asn1-api-1.0.0-M20.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/stax-api-1.0-2.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jersey-server-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/httpcore-4.2.5.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/servlet-api-2.5.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/httpclient-4.2.5.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jetty-util-6.1.26.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jettison-1.1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-collections-3.2.1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/xmlenc-0.52.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jasper-runtime-5.5.23.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jsp-api-2.1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-codec-1.4.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/apacheds-i18n-2.0.0-M15.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/curator-recipes-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/gson-2.2.4.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/xz-1.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jetty-6.1.26.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/mockito-all-1.8.5.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jackson-core-asl-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jersey-core-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/avro-1.7.4.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jersey-json-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/hamcrest-core-1.3.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-beanutils-1.7.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/htrace-core-3.0.4.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-io-2.4.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-logging-1.1.3.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-httpclient-3.1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jasper-compiler-5.5.23.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/protobuf-java-2.5.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jackson-jaxrs-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-compress-1.4.1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jsch-0.1.42.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/hadoop-auth-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/log4j-1.2.17.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/api-util-1.0.0-M20.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/activation-1.1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-digester-1.8.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/snappy-java-1.0.4.1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/zookeeper-3.4.6.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/guava-11.0.2.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-lang-2.6.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-math3-3.1.1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jets3t-0.9.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-cli-1.2.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jsr305-1.3.9.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/curator-framework-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-beanutils-core-1.8.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/slf4j-api-1.7.5.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/netty-3.6.2.Final.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jaxb-api-2.2.2.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/paranamer-2.3.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-net-3.1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/junit-4.11.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/hadoop-annotations-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/java-xmlbuilder-0.4.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jackson-xc-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/curator-client-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/commons-el-1.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/jaxb-impl-2.2.3-1.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar:/user/local/hadoop-2.6.0/share/hadoop/common/lib/asm-3.2.jar:/user/local/hadoop-2.6.0/share/hadoop/common/hadoop-common-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/hadoop-nfs-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/common/hadoop-common-2.6.0-tests.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/jackson-mapper-asl-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/jersey-server-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/servlet-api-2.5.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/jetty-util-6.1.26.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/xmlenc-0.52.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/jasper-runtime-5.5.23.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/jsp-api-2.1.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/commons-codec-1.4.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/jetty-6.1.26.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/jackson-core-asl-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/jersey-core-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/htrace-core-3.0.4.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/commons-io-2.4.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/commons-logging-1.1.3.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/protobuf-java-2.5.0.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/commons-daemon-1.0.13.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/log4j-1.2.17.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/guava-11.0.2.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/commons-lang-2.6.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/commons-cli-1.2.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/jsr305-1.3.9.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/netty-3.6.2.Final.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/xml-apis-1.3.04.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/xercesImpl-2.9.1.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/commons-el-1.0.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/lib/asm-3.2.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/hadoop-hdfs-2.6.0-tests.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/hadoop-hdfs-nfs-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/hdfs/hadoop-hdfs-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jackson-mapper-asl-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/stax-api-1.0-2.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jersey-server-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/servlet-api-2.5.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jetty-util-6.1.26.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jettison-1.1.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/commons-collections-3.2.1.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jline-0.9.94.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/commons-codec-1.4.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/xz-1.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jetty-6.1.26.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jackson-core-asl-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jersey-core-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jersey-json-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/guice-3.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jersey-client-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/commons-io-2.4.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/commons-logging-1.1.3.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/commons-httpclient-3.1.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/protobuf-java-2.5.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jackson-jaxrs-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/commons-compress-1.4.1.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/log4j-1.2.17.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/javax.inject-1.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/activation-1.1.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/zookeeper-3.4.6.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/guava-11.0.2.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/commons-lang-2.6.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/aopalliance-1.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/commons-cli-1.2.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jsr305-1.3.9.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/netty-3.6.2.Final.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jaxb-api-2.2.2.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/leveldbjni-all-1.8.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jackson-xc-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jersey-guice-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/jaxb-impl-2.2.3-1.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/asm-3.2.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/lib/guice-servlet-3.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-server-applicationhistoryservice-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-applications-unmanaged-am-launcher-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-registry-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-server-tests-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-server-nodemanager-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-common-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-client-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-server-resourcemanager-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-server-web-proxy-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-server-common-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-api-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/jackson-mapper-asl-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/jersey-server-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/xz-1.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/jackson-core-asl-1.9.13.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/jersey-core-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/avro-1.7.4.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/hamcrest-core-1.3.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/guice-3.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/commons-io-2.4.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/protobuf-java-2.5.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/commons-compress-1.4.1.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/log4j-1.2.17.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/javax.inject-1.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/snappy-java-1.0.4.1.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/aopalliance-1.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/netty-3.6.2.Final.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/paranamer-2.3.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/junit-4.11.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/hadoop-annotations-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/leveldbjni-all-1.8.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/jersey-guice-1.9.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/asm-3.2.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/lib/guice-servlet-3.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-client-shuffle-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-client-common-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-client-app-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-plugins-2.6.0.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.6.0-tests.jar:/user/local/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-client-core-2.6.0.jar:/user/local/hadoop-2.6.0/contrib/capacity-scheduler/*.jar:/user/local/hadoop-2.6.0/contrib/capacity-scheduler/*.jarSTARTUP_MSG:   build = Unknown -r Unknown; compiled by 'root' on 2016-06-16T22:12ZSTARTUP_MSG:   java = 1.7.0_67************************************************************/16/06/16 18:42:38 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]16/06/16 18:42:38 INFO namenode.NameNode: createNameNode [-format]Formatting using clusterid: CID-52468c8d-c0b2-48d6-b9fe-4cb05a748e5a16/06/16 18:42:42 INFO namenode.FSNamesystem: No KeyProvider found.16/06/16 18:42:42 INFO namenode.FSNamesystem: fsLock is fair:true16/06/16 18:42:42 INFO blockmanagement.DatanodeManager: dfs.block.invalidate.limit=100016/06/16 18:42:42 INFO blockmanagement.DatanodeManager: dfs.namenode.datanode.registration.ip-hostname-check=true16/06/16 18:42:42 INFO blockmanagement.BlockManager: dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.00016/06/16 18:42:42 INFO blockmanagement.BlockManager: The block deletion will start around 2016 Jun 16 18:42:4216/06/16 18:42:42 INFO util.GSet: Computing capacity for map BlocksMap16/06/16 18:42:42 INFO util.GSet: VM type       = 32-bit16/06/16 18:42:42 INFO util.GSet: 2.0% max memory 966.7 MB = 19.3 MB16/06/16 18:42:42 INFO util.GSet: capacity      = 2^22 = 4194304 entries16/06/16 18:42:42 INFO blockmanagement.BlockManager: dfs.block.access.token.enable=false16/06/16 18:42:42 INFO blockmanagement.BlockManager: defaultReplication         = 116/06/16 18:42:42 INFO blockmanagement.BlockManager: maxReplication             = 51216/06/16 18:42:42 INFO blockmanagement.BlockManager: minReplication             = 116/06/16 18:42:42 INFO blockmanagement.BlockManager: maxReplicationStreams      = 216/06/16 18:42:42 INFO blockmanagement.BlockManager: shouldCheckForEnoughRacks  = false16/06/16 18:42:42 INFO blockmanagement.BlockManager: replicationRecheckInterval = 300016/06/16 18:42:42 INFO blockmanagement.BlockManager: encryptDataTransfer        = false16/06/16 18:42:42 INFO blockmanagement.BlockManager: maxNumBlocksToLog          = 100016/06/16 18:42:42 INFO namenode.FSNamesystem: fsOwner             = root (auth:SIMPLE)16/06/16 18:42:42 INFO namenode.FSNamesystem: supergroup          = supergroup16/06/16 18:42:42 INFO namenode.FSNamesystem: isPermissionEnabled = true16/06/16 18:42:42 INFO namenode.FSNamesystem: HA Enabled: false16/06/16 18:42:42 INFO namenode.FSNamesystem: Append Enabled: true16/06/16 18:42:43 INFO util.GSet: Computing capacity for map INodeMap16/06/16 18:42:43 INFO util.GSet: VM type       = 32-bit16/06/16 18:42:43 INFO util.GSet: 1.0% max memory 966.7 MB = 9.7 MB16/06/16 18:42:43 INFO util.GSet: capacity      = 2^21 = 2097152 entries16/06/16 18:42:43 INFO namenode.NameNode: Caching file names occuring more than 10 times16/06/16 18:42:43 INFO util.GSet: Computing capacity for map cachedBlocks16/06/16 18:42:43 INFO util.GSet: VM type       = 32-bit16/06/16 18:42:43 INFO util.GSet: 0.25% max memory 966.7 MB = 2.4 MB16/06/16 18:42:43 INFO util.GSet: capacity      = 2^19 = 524288 entries16/06/16 18:42:43 INFO namenode.FSNamesystem: dfs.namenode.safemode.threshold-pct = 0.999000012874603316/06/16 18:42:43 INFO namenode.FSNamesystem: dfs.namenode.safemode.min.datanodes = 016/06/16 18:42:43 INFO namenode.FSNamesystem: dfs.namenode.safemode.extension     = 3000016/06/16 18:42:43 INFO namenode.FSNamesystem: Retry cache on namenode is enabled16/06/16 18:42:43 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry cache entry expiry time is 600000 millis16/06/16 18:42:43 INFO util.GSet: Computing capacity for map NameNodeRetryCache16/06/16 18:42:43 INFO util.GSet: VM type       = 32-bit16/06/16 18:42:43 INFO util.GSet: 0.029999999329447746% max memory 966.7 MB = 297.0 KB16/06/16 18:42:43 INFO util.GSet: capacity      = 2^16 = 65536 entries16/06/16 18:42:43 INFO namenode.NNConf: ACLs enabled? false16/06/16 18:42:43 INFO namenode.NNConf: XAttrs enabled? true16/06/16 18:42:43 INFO namenode.NNConf: Maximum size of an xattr: 1638416/06/16 18:42:43 INFO namenode.FSImage: Allocated new BlockPoolId: BP-195969513-127.0.0.1-146612776361116/06/16 18:42:43 INFO common.Storage: Storage directory /home/hadoop/name has been successfully formatted.16/06/16 18:42:44 INFO namenode.NNStorageRetentionManager: Going to retain 1 images with txid >= 016/06/16 18:42:44 INFO util.ExitUtil: Exiting with status 016/06/16 18:42:44 INFO namenode.NameNode: SHUTDOWN_MSG: /************************************************************SHUTDOWN_MSG: Shutting down NameNode at cdh1/127.0.0.1************************************************************/[root@cdh1 hdfs]# ls[root@cdh1 hdfs]# jps2695 Jps[root@cdh1 hdfs]# start-all.shThis script is Deprecated. Instead use start-dfs.sh and start-yarn.shStarting namenodes on [cdh1]cdh1: starting namenode, logging to /user/local/hadoop-2.6.0/logs/hadoop-root-namenode-cdh1.outlocalhost: starting datanode, logging to /user/local/hadoop-2.6.0/logs/hadoop-root-datanode-cdh1.outStarting secondary namenodes [cdh1]cdh1: starting secondarynamenode, logging to /user/local/hadoop-2.6.0/logs/hadoop-root-secondarynamenode-cdh1.outstarting yarn daemonsstarting resourcemanager, logging to /user/local/hadoop-2.6.0/logs/yarn-root-resourcemanager-cdh1.outlocalhost: starting nodemanager, logging to /user/local/hadoop-2.6.0/logs/yarn-root-nodemanager-cdh1.out[root@cdh1 hdfs]# jps3005 SecondaryNameNode2808 NameNode3232 NodeManager3144 ResourceManager2890 DataNode3441 Jps[root@cdh1 hdfs]# hdfs dfs -lsls: Call From cdh1/127.0.0.1 to cdh1:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused[root@cdh1 hdfs]# su - hadoop[hadoop@cdh1 ~]$ pwd/home/hadoop[hadoop@cdh1 ~]$ hdfs dfs -lsls: `.': No such file or directory[hadoop@cdh1 ~]$ lsdata  name  tmp[hadoop@cdh1 ~]$ hdfs dfs -lsls: `.': No such file or directory[hadoop@cdh1 ~]$ getconf LONG_BIT32[hadoop@cdh1 ~]$ pwd/home/hadoop[hadoop@cdh1 ~]$ su rootPassword: [root@cdh1 hadoop]# pwd/home/hadoop[root@cdh1 hadoop]# cd $HADOOP_HOME[root@cdh1 hadoop-2.6.0]# LSbash: LS: command not found[root@cdh1 hadoop-2.6.0]# lsbin  etc  include  lib  libexec  LICENSE.txt  logs  NOTICE.txt  README.txt  sbin  share[root@cdh1 hadoop-2.6.0]# bin/hdfs dfs -lsls: `.': No such file or directory[root@cdh1 hadoop-2.6.0]# ls -ltotal 56drwxr-xr-x 2 root root  4096 Jun 16 15:38 bindrwxr-xr-x 3 root root  4096 Jun 16 15:37 etcdrwxr-xr-x 2 root root  4096 Jun 16 15:38 includedrwxr-xr-x 3 root root  4096 Jun 16 18:04 libdrwxr-xr-x 2 root root  4096 Jun 16 15:38 libexec-rw-r--r-- 1 root root 15429 Jun 16 15:37 LICENSE.txtdrwxr-xr-x 3 root root  4096 Jun 16 18:43 logs-rw-r--r-- 1 root root   101 Jun 16 15:37 NOTICE.txt-rw-r--r-- 1 root root  1366 Jun 16 15:37 README.txtdrwxr-xr-x 2 root root  4096 Jun 16 15:38 sbindrwxr-xr-x 4 root root  4096 Jun 16 15:37 share[root@cdh1 hadoop-2.6.0]# pwd/user/local/hadoop-2.6.0[root@cdh1 hadoop-2.6.0]# su hadoop[hadoop@cdh1 hadoop-2.6.0]$ pwd/user/local/hadoop-2.6.0[hadoop@cdh1 hadoop-2.6.0]$ bin/hdfs dfs -lsls: `.': No such file or directory[hadoop@cdh1 hadoop-2.6.0]$ bin/hdfs dfs -lsls: `.': No such file or directory[hadoop@cdh1 hadoop-2.6.0]$ hdfs dfs -mkdir xmkdirmkdir: `xmkdir': No such file or directory[hadoop@cdh1 hadoop-2.6.0]$ bin/hdfs dfs -mkdir xmkdirmkdir: `xmkdir': No such file or directory[hadoop@cdh1 hadoop-2.6.0]$ su Password: [root@cdh1 hadoop-2.6.0]# pwd/user/local/hadoop-2.6.0[root@cdh1 hadoop-2.6.0]# bin/hdfs dfs -mkdir xmkdirmkdir: `xmkdir': No such file or directory[root@cdh1 hadoop-2.6.0]# bin/hdfs dfs -mkdir /xmkdir[root@cdh1 hadoop-2.6.0]# ls -ltotal 56drwxr-xr-x 2 root root  4096 Jun 16 15:38 bindrwxr-xr-x 3 root root  4096 Jun 16 15:37 etcdrwxr-xr-x 2 root root  4096 Jun 16 15:38 includedrwxr-xr-x 3 root root  4096 Jun 16 18:04 libdrwxr-xr-x 2 root root  4096 Jun 16 15:38 libexec-rw-r--r-- 1 root root 15429 Jun 16 15:37 LICENSE.txtdrwxr-xr-x 3 root root  4096 Jun 16 18:43 logs-rw-r--r-- 1 root root   101 Jun 16 15:37 NOTICE.txt-rw-r--r-- 1 root root  1366 Jun 16 15:37 README.txtdrwxr-xr-x 2 root root  4096 Jun 16 15:38 sbindrwxr-xr-x 4 root root  4096 Jun 16 15:37 share[root@cdh1 hadoop-2.6.0]# hdfs dfs -lsls: `.': No such file or directory[root@cdh1 hadoop-2.6.0]# bin/hdfs dfs -lsls: `.': No such file or directory[root@cdh1 hadoop-2.6.0]# bin/hdfs dfs -ls /Found 1 itemsdrwxr-xr-x   - root supergroup          0 2016-06-16 21:31 /xmkdir[root@cdh1 hadoop-2.6.0]#