一、官網下載Hadoop

Apache Hadoophttps://hadoop.apache.org/releases.html

Windows在Apache官網下載需要版本的Binary文件，再通過XFTP傳輸到CentOS虛擬機。

二、傳輸Hadoop

0、在xshell中輸入ls命令查看文件目錄

1、在Xshell中點擊xftp

?2、找到下載下來的Hadoop···.tar.gz文件，雙擊該文件開始上傳

3、傳輸完成

?4、再在xshell中輸入ls查看文件目錄，看是否上傳成功

?5、在XFTP中新建Opt文件夾

?6、把Hadoop···.tar.gz文件移動到Opt文件夾中

7、解壓Hadoop

進入Xshell中

①進入hadoop-2.10.1.tar.gz所在文件位置

cd /home/bigdata/Opt

②解壓hadoop-2.10.1.tar.gz到當前文件目錄

tar -zxvf hadoop-2.10.1.tar.gz

?

?解壓后的文件目錄：

三、配置Hadoop

首先，由于Hadoop是Java進程，所以需要添加JDK。配置Hadoop前要先安裝JDK，
JDK的下載和安裝以及配置可以參考此文：
Linux中安裝JDK_懶笑翻的博客-CSDN博客

配置SSH無密碼登錄可以參考此文：

配置SSH無密碼登錄_懶笑翻的博客-CSDN博客

1、Hadoop偽分布式安裝，先找到配置文件路徑

?2、修改 core-site.xml 配置文件

輸入命令：

vim /home/bigdata/Opt/hadoop-2.10.1/etc/hadoop/core-site.xml

回車后，點擊鍵盤 i 即可進入輸入模式

?

?在core-site.xml 中增加配置信息：

<configuration><property><name>fs.defaultFS</name><value>hdfs://192.168.232.131:9000</value></property><property><name>hadoop.tmp.dir</name><value>file:/home/bigdata/Opt/hadoop-2.10.1/tmp</value></property> </configuration>

需要注意的是配置文件中原本就有<configuration></configuration>標簽，把其他配置信息放在里面就行了。

?按 ESC 退出編輯后，輸入 :wq 保存并退出core-site.xml

?3、修改 hadoop-env.sh 文件配置Hadoop運行環境，用來定義Java環境變量。

輸入命令：

vim /home/bigdata/Opt/hadoop-2.10.1/etc/hadoop/hadoop-env.sh

輸入下圖中配置信息【路徑和文件名對應你自己的哈】：

配置信息輸入完后，按ESC鍵，然后 :wq 保存并退出

?

4、修改hdfs-site.xml文件來配置HDFS

vim /home/bigdata/Opt/hadoop-2.10.1/etc/hadoop/hdfs-site.xml <configuration><property><name>dfs.replication</name><value>1</value></property><property><name>dfs.namenode.name.dir</name><value>file:/home/bigdata/Opt/hadoop-2.10.1/tmp/dfs/name</value></property><property><name>dfs.datanode.data.dir</name><value>file:/home/bigdata/Opt/hadoop-2.10.1/tmp/dfs/data</value></property> </configuration>

按 ESC 退出編輯后，輸入 :wq 保存并退出

?5、修改配置 mapred-site.xml 文件來配置MapReduce 參數

①由于 /home/bigdata/Opt/hadoop-2.10.1/etc/hadoop 目錄下只有/mapred-site.xml.template文件

?② 下面我們 復制 mapred-site.xml.template 文件生成mapred-site.xml 文件

輸入命令：

scp mapred-site.xml.template mapred-site.xml

?③修改 mapred-site.xml? 配置信息，指明Hadoop的MR將來運行于YARN資源調度系統上

vim /home/bigdata/Opt/hadoop-2.10.1/etc/hadoop/mapred-site.xml <configuration><property><name>mapreduce.framework.name</name><value>yarn</value></property> </configuration>

按 ESC 退出編輯后，輸入 :wq 保存并退出?

?6、配置 yarn-site.xml 文件，用于配置集群資源管理系統參數

vim /home/bigdata/Opt/hadoop-2.10.1/etc/hadoop/yarn-site.xml <configuration><property><name>yarn.resourcemanager.hostname</name><value>192.168.232.131</value></property><property><name>yarn.nodemanager.aux-service</name><value>mapreduce_shuffle</value></property> </configuration>

?

按 ESC 退出編輯后，輸入 :wq 保存并退出?

?7、配置Hadoop環境變量

需要先使用root權限，使用root登錄

su root

輸入命令：

vim /etc/profile

#set hadoop enviroment export HADOOP_HOME=/home/bigdata/Opt/hadoop-2.10.1export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin:$HADOOP_HOME/sbin:$HADOOP_HOME/bin

按 ESC 退出編輯后，輸入 :wq 保存并退出?

?8、刷新配置

輸入命令：

source /etc/profile

9、配置完成后，執行 NameNode 的格式化

進入 /home/bigdata/Opt/hadoop-2.10.1/sbin 目錄

cd /home/bigdata/Opt/hadoop-2.10.1/sbin

執行命令：

hdfs namenode -format

[root@localhost hadoop]# cd /home/bigdata/Opt/hadoop-2.10.1/sbin [root@localhost sbin]# hdfs namenode -format 22/04/24 10:03:35 INFO namenode.NameNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting NameNode STARTUP_MSG: host = localhost/127.0.0.1 STARTUP_MSG: args = [-format] STARTUP_MSG: version = 2.10.1 STARTUP_MSG: classpath = /home/bigdata/Opt/hadoop-2.10.1/etc/hadoop:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-collections-3.2.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/servlet-api-2.5.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jetty-6.1.26.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jetty-util-6.1.26.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jetty-sslengine-6.1.26.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jsp-api-2.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jersey-core-1.9.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jersey-json-1.9.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jettison-1.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jaxb-impl-2.2.3-1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jaxb-api-2.2.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/stax-api-1.0-2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/activation-1.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jackson-core-asl-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jackson-mapper-asl-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jackson-jaxrs-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jackson-xc-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jersey-server-1.9.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/asm-3.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/log4j-1.2.17.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jets3t-0.9.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/java-xmlbuilder-0.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-lang-2.6.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-configuration-1.6.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-digester-1.8.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-beanutils-1.9.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-lang3-3.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/slf4j-api-1.7.25.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/slf4j-log4j12-1.7.25.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/avro-1.7.7.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/paranamer-2.3.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/snappy-java-1.0.5.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-compress-1.19.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/protobuf-java-2.5.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/gson-2.2.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/hadoop-auth-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/nimbus-jose-jwt-7.9.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jcip-annotations-1.0-1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/json-smart-1.3.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/apacheds-i18n-2.0.0-M15.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/api-asn1-api-1.0.0-M20.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/api-util-1.0.0-M20.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/zookeeper-3.4.14.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/spotbugs-annotations-3.1.9.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/audience-annotations-0.5.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/netty-3.10.6.Final.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/curator-framework-2.13.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/curator-client-2.13.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jsch-0.1.55.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/curator-recipes-2.13.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/htrace-core4-4.1.0-incubating.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/stax2-api-3.1.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/woodstox-core-5.0.3.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/junit-4.11.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/hamcrest-core-1.3.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/mockito-all-1.8.5.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/hadoop-annotations-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/guava-11.0.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/jsr305-3.0.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-cli-1.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-math3-3.1.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/xmlenc-0.52.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/httpclient-4.5.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/httpcore-4.4.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-logging-1.1.3.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-codec-1.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-io-2.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/lib/commons-net-3.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/hadoop-common-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/hadoop-common-2.10.1-tests.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/common/hadoop-nfs-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/commons-codec-1.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/log4j-1.2.17.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/commons-logging-1.1.3.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jsr305-3.0.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/netty-3.10.6.Final.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/guava-11.0.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/commons-cli-1.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/xmlenc-0.52.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/commons-io-2.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/servlet-api-2.5.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jetty-6.1.26.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jetty-util-6.1.26.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jersey-core-1.9.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jackson-core-asl-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jackson-mapper-asl-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jersey-server-1.9.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/asm-3.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/commons-lang-2.6.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/protobuf-java-2.5.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/htrace-core4-4.1.0-incubating.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/hadoop-hdfs-client-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/okhttp-2.7.5.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/okio-1.6.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/commons-daemon-1.0.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/netty-all-4.1.50.Final.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/xercesImpl-2.12.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/xml-apis-1.4.01.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/leveldbjni-all-1.8.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jackson-databind-2.9.10.6.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jackson-annotations-2.9.10.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/lib/jackson-core-2.9.10.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/hadoop-hdfs-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/hadoop-hdfs-2.10.1-tests.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/hadoop-hdfs-client-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/hadoop-hdfs-client-2.10.1-tests.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/hadoop-hdfs-native-client-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/hadoop-hdfs-native-client-2.10.1-tests.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/hadoop-hdfs-rbf-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/hadoop-hdfs-rbf-2.10.1-tests.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/hdfs/hadoop-hdfs-nfs-2.10.1.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/commons-cli-1.2.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/log4j-1.2.17.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/commons-compress-1.19.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/servlet-api-2.5.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/commons-codec-1.4.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/jetty-util-6.1.26.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/jersey-core-1.9.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/jersey-client-1.9.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/jackson-core-asl-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/jackson-mapper-asl-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/jackson-jaxrs-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/jackson-xc-1.9.13.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/guice-servlet-3.0.jar:/home/bigdata/Opt/hadoop-2.10.1/share/hadoop/yarn/lib/guice-3.0.jar:/home/bigdata/Opt/hadoop-2.10.1/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STARTUP_MSG: build = https://github.com/apache/hadoop -r 1827467c9a56f133025f28557bfc2c562d78e816; compiled by 'centos' on 2020-09-14T13:17Z STARTUP_MSG: java = 1.8.0_331 ************************************************************/ 22/04/24 10:03:35 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT] 22/04/24 10:03:35 INFO namenode.NameNode: createNameNode [-format] Formatting using clusterid: CID-b591d3f7-fbc8-4c53-84df-5b3722ef0456 22/04/24 10:03:36 INFO namenode.FSEditLog: Edit logging is async:true 22/04/24 10:03:36 INFO namenode.FSNamesystem: KeyProvider: null 22/04/24 10:03:36 INFO namenode.FSNamesystem: fsLock is fair: true 22/04/24 10:03:36 INFO namenode.FSNamesystem: Detailed lock hold time metrics enabled: false 22/04/24 10:03:36 INFO namenode.FSNamesystem: fsOwner = root (auth:SIMPLE) 22/04/24 10:03:36 INFO namenode.FSNamesystem: supergroup = supergroup 22/04/24 10:03:36 INFO namenode.FSNamesystem: isPermissionEnabled = true 22/04/24 10:03:36 INFO namenode.FSNamesystem: HA Enabled: false 22/04/24 10:03:36 INFO common.Util: dfs.datanode.fileio.profiling.sampling.percentage set to 0. Disabling file IO profiling 22/04/24 10:03:36 INFO blockmanagement.DatanodeManager: dfs.block.invalidate.limit: configured=1000, counted=60, effected=1000 22/04/24 10:03:36 INFO blockmanagement.DatanodeManager: dfs.namenode.datanode.registration.ip-hostname-check=true 22/04/24 10:03:36 INFO blockmanagement.BlockManager: dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.000 22/04/24 10:03:36 INFO blockmanagement.BlockManager: The block deletion will start around 2022 Apr 24 10:03:36 22/04/24 10:03:36 INFO util.GSet: Computing capacity for map BlocksMap 22/04/24 10:03:36 INFO util.GSet: VM type = 64-bit 22/04/24 10:03:36 INFO util.GSet: 2.0% max memory 889 MB = 17.8 MB 22/04/24 10:03:36 INFO util.GSet: capacity = 2^21 = 2097152 entries 22/04/24 10:03:36 INFO blockmanagement.BlockManager: dfs.block.access.token.enable=false 22/04/24 10:03:36 WARN conf.Configuration: No unit for dfs.heartbeat.interval(3) assuming SECONDS 22/04/24 10:03:36 WARN conf.Configuration: No unit for dfs.namenode.safemode.extension(30000) assuming MILLISECONDS 22/04/24 10:03:36 INFO blockmanagement.BlockManagerSafeMode: dfs.namenode.safemode.threshold-pct = 0.9990000128746033 22/04/24 10:03:36 INFO blockmanagement.BlockManagerSafeMode: dfs.namenode.safemode.min.datanodes = 0 22/04/24 10:03:36 INFO blockmanagement.BlockManagerSafeMode: dfs.namenode.safemode.extension = 30000 22/04/24 10:03:36 INFO blockmanagement.BlockManager: defaultReplication = 1 22/04/24 10:03:36 INFO blockmanagement.BlockManager: maxReplication = 512 22/04/24 10:03:36 INFO blockmanagement.BlockManager: minReplication = 1 22/04/24 10:03:36 INFO blockmanagement.BlockManager: maxReplicationStreams = 2 22/04/24 10:03:36 INFO blockmanagement.BlockManager: replicationRecheckInterval = 3000 22/04/24 10:03:36 INFO blockmanagement.BlockManager: encryptDataTransfer = false 22/04/24 10:03:36 INFO blockmanagement.BlockManager: maxNumBlocksToLog = 1000 22/04/24 10:03:36 INFO namenode.FSNamesystem: Append Enabled: true 22/04/24 10:03:36 INFO namenode.FSDirectory: GLOBAL serial map: bits=24 maxEntries=16777215 22/04/24 10:03:36 INFO util.GSet: Computing capacity for map INodeMap 22/04/24 10:03:36 INFO util.GSet: VM type = 64-bit 22/04/24 10:03:36 INFO util.GSet: 1.0% max memory 889 MB = 8.9 MB 22/04/24 10:03:36 INFO util.GSet: capacity = 2^20 = 1048576 entries 22/04/24 10:03:36 INFO namenode.FSDirectory: ACLs enabled? false 22/04/24 10:03:36 INFO namenode.FSDirectory: XAttrs enabled? true 22/04/24 10:03:36 INFO namenode.NameNode: Caching file names occurring more than 10 times 22/04/24 10:03:36 INFO snapshot.SnapshotManager: Loaded config captureOpenFiles: falseskipCaptureAccessTimeOnlyChange: false 22/04/24 10:03:36 INFO util.GSet: Computing capacity for map cachedBlocks 22/04/24 10:03:36 INFO util.GSet: VM type = 64-bit 22/04/24 10:03:36 INFO util.GSet: 0.25% max memory 889 MB = 2.2 MB 22/04/24 10:03:36 INFO util.GSet: capacity = 2^18 = 262144 entries 22/04/24 10:03:36 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.window.num.buckets = 10 22/04/24 10:03:36 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.num.users = 10 22/04/24 10:03:36 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.windows.minutes = 1,5,25 22/04/24 10:03:36 INFO namenode.FSNamesystem: Retry cache on namenode is enabled 22/04/24 10:03:36 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry cache entry expiry time is 600000 millis 22/04/24 10:03:36 INFO util.GSet: Computing capacity for map NameNodeRetryCache 22/04/24 10:03:36 INFO util.GSet: VM type = 64-bit 22/04/24 10:03:36 INFO util.GSet: 0.029999999329447746% max memory 889 MB = 273.1 KB 22/04/24 10:03:36 INFO util.GSet: capacity = 2^15 = 32768 entries 22/04/24 10:03:36 INFO namenode.FSImage: Allocated new BlockPoolId: BP-1974055419-127.0.0.1-1650819816481 22/04/24 10:03:36 INFO common.Storage: Storage directory /home/bigdata/Opt/hadoop-2.10.1/tmp/dfs/name has been successfully formatted. 22/04/24 10:03:36 INFO namenode.FSImageFormatProtobuf: Saving image file /home/bigdata/Opt/hadoop-2.10.1/tmp/dfs/name/current/fsimage.ckpt_0000000000000000000 using no compression 22/04/24 10:03:36 INFO namenode.FSImageFormatProtobuf: Image file /home/bigdata/Opt/hadoop-2.10.1/tmp/dfs/name/current/fsimage.ckpt_0000000000000000000 of size 323 bytes saved in 0 seconds . 22/04/24 10:03:36 INFO namenode.NNStorageRetentionManager: Going to retain 1 images with txid >= 0 22/04/24 10:03:36 INFO namenode.FSImage: FSImageSaver clean checkpoint: txid = 0 when meet shutdown. 22/04/24 10:03:36 INFO namenode.NameNode: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down NameNode at localhost/127.0.0.1 ************************************************************/

?10、開啟所有服務

?進入 /home/bigdata/Opt/hadoop-2.10.1/sbin 目錄

cd /home/bigdata/Opt/hadoop-2.10.1/sbin

執行命令：

./start-all.sh

?通過 jps 命令來查看所有服務是否啟動

?11、開啟NameNode和DataNode

??進入 /home/bigdata/Opt/hadoop-2.10.1/sbin 目錄

cd /home/bigdata/Opt/hadoop-2.10.1/sbin

執行命令：

./start-dfs.sh

?12、Hadoop中HDFS還提供Web訪問頁面，默認端口 50070，通過HTTP協議訪問

http://192.168.232.131:50070/

?13、Hadoop集群信息也提供Web訪問頁面，默認端口8088，通過HTTP協議訪問

http://192.168.232.131:80/

Hadoop默認端口表及用途| 端口 用途 | | 9000 | fs.defaultFS，如：hdfs://172.25.40.171:9000 | | 9001 | dfs.namenode.rpc-address，DataNode會連接這個端口 | | 50070 | dfs.namenode.http-address | | 50470 | dfs.namenode.https-address | | 50100 | dfs.namenode.backup.address | | 50105 | dfs.namenode.backup.http-address | | 50090 | dfs.namenode.secondary.http-address，如：172.25.39.166:50090 | | 50091 | dfs.namenode.secondary.https-address，如：172.25.39.166:50091 | | 50020 | dfs.datanode.ipc.address | | 50075 | dfs.datanode.http.address | | 50475 | dfs.datanode.https.address | | 50010 | dfs.datanode.address，DataNode的數據傳輸端口 | | 8480 | dfs.journalnode.rpc-address | | 8481 | dfs.journalnode.https-address | | 8032 | yarn.resourcemanager.address | | 8088 | yarn.resourcemanager.webapp.address，YARN的http端口 | | 8090 | yarn.resourcemanager.webapp.https.address | | 8030 | yarn.resourcemanager.scheduler.address | | 8031 | yarn.resourcemanager.resource-tracker.address | | 8033 | yarn.resourcemanager.admin.address | | 8042 | yarn.nodemanager.webapp.address | | 8040 | yarn.nodemanager.localizer.address | | 8188 | yarn.timeline-service.webapp.address | | 10020 | mapreduce.jobhistory.address | | 19888 | mapreduce.jobhistory.webapp.address | | 2888 | ZooKeeper，如果是Leader，用來監聽Follower的連接 | | 3888 | ZooKeeper，用于Leader選舉 | | 2181 | ZooKeeper，用來監聽客戶端的連接 | | 60010 | hbase.master.info.port，HMaster的http端口 | | 60000 | hbase.master.port，HMaster的RPC端口 | | 60030 | hbase.regionserver.info.port，HRegionServer的http端口 | | 60020 | hbase.regionserver.port，HRegionServer的RPC端口 | | 8080 | hbase.rest.port，HBase REST server的端口 | | 10000 | hive.server2.thrift.port | | 9083 | hive.metastore.uris |

總結

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