hadoop - Namenode 关闭错误 - 以状态 0 退出(Hadoop 安装)

Question

我正在尝试让 Hadoop-2.8.1 正常工作。我正在运行命令来配置 Namenode。但是，当我从 Hadoop 目录运行 Namenode 时它会关闭。

***********s-MacBook-Pro-2:~ ***********$ cd Downloads/hadoop-2.8.1
***********s-MacBook-Pro-2:hadoop-2.8.1 ***********$ bin/hdfs namenode -format
17/09/12 12:08:26 INFO namenode.NameNode: STARTUP_MSG: 
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG:   user = ***********
STARTUP_MSG:   host = ***********s-macbook-pro-2.local/172.16.42.63
STARTUP_MSG:   args = [-format]
STARTUP_MSG:   version = 2.8.1
STARTUP_MSG:   classpath = /Users/***********/Downloads/hadoop-2.8.1/etc/hadoop:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/activation-1.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/apacheds-i18n-2.0.0-M15.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/api-asn1-api-1.0.0-M20.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/api-util-1.0.0-M20.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/asm-3.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/avro-1.7.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-beanutils-1.7.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-beanutils-core-1.8.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-cli-1.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-codec-1.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-collections-3.2.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-compress-1.4.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-configuration-1.6.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-digester-1.8.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-io-2.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-lang-2.6.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-logging-1.1.3.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-math3-3.1.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/commons-net-3.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/curator-client-2.7.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/curator-framework-2.7.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/curator-recipes-2.7.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/gson-2.2.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/guava-11.0.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/hadoop-annotations-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/hadoop-auth-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/hamcrest-core-1.3.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/htrace-core4-4.0.1-incubating.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/httpclient-4.5.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/httpcore-4.4.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jackson-core-asl-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jackson-jaxrs-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jackson-mapper-asl-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jackson-xc-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/java-xmlbuilder-0.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jaxb-api-2.2.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jaxb-impl-2.2.3-1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jcip-annotations-1.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jersey-core-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jersey-json-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jersey-server-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jets3t-0.9.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jettison-1.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jetty-6.1.26.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jetty-sslengine-6.1.26.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jetty-util-6.1.26.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jsch-0.1.51.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/json-smart-1.1.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jsp-api-2.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/jsr305-3.0.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/junit-4.11.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/log4j-1.2.17.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/mockito-all-1.8.5.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/netty-3.6.2.Final.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/nimbus-jose-jwt-3.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/paranamer-2.3.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/protobuf-java-2.5.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/servlet-api-2.5.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/slf4j-api-1.7.10.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/snappy-java-1.0.4.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/stax-api-1.0-2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/xmlenc-0.52.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/xz-1.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/lib/zookeeper-3.4.6.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/hadoop-common-2.8.1-tests.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/hadoop-common-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/common/hadoop-nfs-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/asm-3.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/commons-cli-1.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/commons-codec-1.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/commons-daemon-1.0.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/commons-io-2.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/commons-lang-2.6.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/commons-logging-1.1.3.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/guava-11.0.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/hadoop-hdfs-client-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/htrace-core4-4.0.1-incubating.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/jackson-core-asl-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/jackson-mapper-asl-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/jersey-core-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/jersey-server-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/jetty-6.1.26.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/jetty-util-6.1.26.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/jsr305-3.0.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/leveldbjni-all-1.8.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/log4j-1.2.17.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/netty-3.6.2.Final.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/netty-all-4.0.23.Final.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/okhttp-2.4.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/okio-1.4.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/protobuf-java-2.5.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/servlet-api-2.5.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/xercesImpl-2.9.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/xml-apis-1.3.04.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/lib/xmlenc-0.52.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/hadoop-hdfs-2.8.1-tests.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/hadoop-hdfs-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/hadoop-hdfs-client-2.8.1-tests.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/hadoop-hdfs-client-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/hadoop-hdfs-native-client-2.8.1-tests.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/hadoop-hdfs-native-client-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/hdfs/hadoop-hdfs-nfs-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/activation-1.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/aopalliance-1.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/asm-3.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/commons-cli-1.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/commons-codec-1.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/commons-collections-3.2.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/commons-compress-1.4.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/commons-io-2.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/commons-lang-2.6.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/commons-logging-1.1.3.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/commons-math-2.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/curator-client-2.7.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/curator-test-2.7.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/fst-2.24.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/guava-11.0.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/guice-3.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/guice-servlet-3.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jackson-core-asl-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jackson-jaxrs-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jackson-mapper-asl-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jackson-xc-1.9.13.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/javassist-3.18.1-GA.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/javax.inject-1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jaxb-api-2.2.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jaxb-impl-2.2.3-1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jersey-client-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jersey-core-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jersey-guice-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jersey-json-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jersey-server-1.9.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jettison-1.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jetty-6.1.26.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jetty-util-6.1.26.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/jsr305-3.0.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/leveldbjni-all-1.8.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/log4j-1.2.17.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/netty-3.6.2.Final.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/objenesis-2.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/protobuf-java-2.5.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/servlet-api-2.5.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/stax-api-1.0-2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/xz-1.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/zookeeper-3.4.6-tests.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/lib/zookeeper-3.4.6.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-api-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-applications-unmanaged-am-launcher-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-client-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-common-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-registry-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-server-applicationhistoryservice-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-server-common-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-server-nodemanager-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-server-resourcemanager-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-server-sharedcachemanager-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-server-tests-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-server-timeline-pluginstorage-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/yarn/hadoop-yarn-server-web-proxy-2.8.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/mapreduce/lib/aopalliance-1.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/mapreduce/lib/asm-3.2.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/mapreduce/lib/avro-1.7.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/mapreduce/lib/commons-compress-1.4.1.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/mapreduce/lib/commons-io-2.4.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/mapreduce/lib/guice-3.0.jar:/Users/***********/Downloads/hadoop-2.8.1/share/hadoop/mapreduce/lib/guice-servlet-3.0.jar:/User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STARTUP_MSG:   build = https://git-wip-us.apache.org/repos/asf/hadoop.git -r 20fe5304904fc2f5a18053c389e43cd26f7a70fe; compiled by 'vinodkv' on 2017-06-02T06:14Z
STARTUP_MSG:   java = 1.8.0_144
************************************************************/
17/09/12 12:08:26 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
17/09/12 12:08:26 INFO namenode.NameNode: createNameNode [-format]
17/09/12 12:08:27 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Formatting using clusterid: CID-eb6e6984-6e78-4eda-8d6c-7aa3186c738e
17/09/12 12:08:27 INFO namenode.FSEditLog: Edit logging is async:false
17/09/12 12:08:27 INFO namenode.FSNamesystem: KeyProvider: null
17/09/12 12:08:27 INFO namenode.FSNamesystem: fsLock is fair: true
17/09/12 12:08:27 INFO namenode.FSNamesystem: Detailed lock hold time metrics enabled: false
17/09/12 12:08:27 INFO blockmanagement.DatanodeManager: dfs.block.invalidate.limit=1000
17/09/12 12:08:27 INFO blockmanagement.DatanodeManager: dfs.namenode.datanode.registration.ip-hostname-check=true
17/09/12 12:08:27 INFO blockmanagement.BlockManager: dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.000
17/09/12 12:08:27 INFO blockmanagement.BlockManager: The block deletion will start around 2017 Sep 12 12:08:27
17/09/12 12:08:27 INFO util.GSet: Computing capacity for map BlocksMap
17/09/12 12:08:27 INFO util.GSet: VM type       = 64-bit
17/09/12 12:08:27 INFO util.GSet: 2.0% max memory 889 MB = 17.8 MB
17/09/12 12:08:27 INFO util.GSet: capacity      = 2^21 = 2097152 entries
17/09/12 12:08:27 INFO blockmanagement.BlockManager: dfs.block.access.token.enable=false
17/09/12 12:08:27 INFO blockmanagement.BlockManager: defaultReplication         = 1
17/09/12 12:08:27 INFO blockmanagement.BlockManager: maxReplication             = 512
17/09/12 12:08:27 INFO blockmanagement.BlockManager: minReplication             = 1
17/09/12 12:08:27 INFO blockmanagement.BlockManager: maxReplicationStreams      = 2
17/09/12 12:08:27 INFO blockmanagement.BlockManager: replicationRecheckInterval = 3000
17/09/12 12:08:27 INFO blockmanagement.BlockManager: encryptDataTransfer        = false
17/09/12 12:08:27 INFO blockmanagement.BlockManager: maxNumBlocksToLog          = 1000
17/09/12 12:08:27 INFO namenode.FSNamesystem: fsOwner             = *********** (auth:SIMPLE)
17/09/12 12:08:27 INFO namenode.FSNamesystem: supergroup          = supergroup
17/09/12 12:08:27 INFO namenode.FSNamesystem: isPermissionEnabled = true
17/09/12 12:08:27 INFO namenode.FSNamesystem: HA Enabled: false
17/09/12 12:08:27 INFO namenode.FSNamesystem: Append Enabled: true
17/09/12 12:08:27 INFO util.GSet: Computing capacity for map INodeMap
17/09/12 12:08:27 INFO util.GSet: VM type       = 64-bit
17/09/12 12:08:27 INFO util.GSet: 1.0% max memory 889 MB = 8.9 MB
17/09/12 12:08:27 INFO util.GSet: capacity      = 2^20 = 1048576 entries
17/09/12 12:08:27 INFO namenode.FSDirectory: ACLs enabled? false
17/09/12 12:08:27 INFO namenode.FSDirectory: XAttrs enabled? true
17/09/12 12:08:27 INFO namenode.NameNode: Caching file names occurring more than 10 times
17/09/12 12:08:27 INFO util.GSet: Computing capacity for map cachedBlocks
17/09/12 12:08:27 INFO util.GSet: VM type       = 64-bit
17/09/12 12:08:27 INFO util.GSet: 0.25% max memory 889 MB = 2.2 MB
17/09/12 12:08:27 INFO util.GSet: capacity      = 2^18 = 262144 entries
17/09/12 12:08:27 INFO namenode.FSNamesystem: dfs.namenode.safemode.threshold-pct = 0.9990000128746033
17/09/12 12:08:27 INFO namenode.FSNamesystem: dfs.namenode.safemode.min.datanodes = 0
17/09/12 12:08:27 INFO namenode.FSNamesystem: dfs.namenode.safemode.extension     = 30000
17/09/12 12:08:27 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.window.num.buckets = 10
17/09/12 12:08:27 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.num.users = 10
17/09/12 12:08:27 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.windows.minutes = 1,5,25
17/09/12 12:08:27 INFO namenode.FSNamesystem: Retry cache on namenode is enabled
17/09/12 12:08:27 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry cache entry expiry time is 600000 millis
17/09/12 12:08:27 INFO util.GSet: Computing capacity for map NameNodeRetryCache
17/09/12 12:08:27 INFO util.GSet: VM type       = 64-bit
17/09/12 12:08:27 INFO util.GSet: 0.029999999329447746% max memory 889 MB = 273.1 KB
17/09/12 12:08:27 INFO util.GSet: capacity      = 2^15 = 32768 entries
Re-format filesystem in Storage Directory /tmp/hadoop-***********/dfs/name ? (Y or N) Y
17/09/12 12:08:30 INFO namenode.FSImage: Allocated new BlockPoolId: BP-336205315-172.16.42.63-1505243310944
17/09/12 12:08:30 INFO common.Storage: Storage directory /tmp/hadoop-***********/dfs/name has been successfully formatted.
17/09/12 12:08:30 INFO namenode.FSImageFormatProtobuf: Saving image file /tmp/hadoop-***********/dfs/name/current/fsimage.ckpt_0000000000000000000 using no compression
17/09/12 12:08:31 INFO namenode.FSImageFormatProtobuf: Image file /tmp/hadoop-***********/dfs/name/current/fsimage.ckpt_0000000000000000000 of size 330 bytes saved in 0 seconds.
17/09/12 12:08:31 INFO namenode.NNStorageRetentionManager: Going to retain 1 images with txid >= 0
17/09/12 12:08:31 INFO util.ExitUtil: Exiting with status 0
17/09/12 12:08:31 INFO namenode.NameNode: SHUTDOWN_MSG: 
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at ***********s-macbook-pro-2.local/172.16.42.63
************************************************************/

Answer 1

hdfs namenode -format 命令只是格式化 namenode，它不会启动 namenode 服务。为了运行 hdfs namenode 你需要执行 start-dfs.sh ，你也可以在 namenode 格式后使用下面的命令在前台运行 namenode 进行测试。

hdfs namenode