{"id":395,"date":"2018-07-25T23:19:55","date_gmt":"2018-07-25T15:19:55","guid":{"rendered":"http:\/\/www.luodonggan.com\/wordpress\/?p=395"},"modified":"2018-07-25T23:19:55","modified_gmt":"2018-07-25T15:19:55","slug":"hadoop%e5%9f%ba%e7%a1%80%e7%bb%84%e4%bb%b6%e5%ad%a6%e4%b9%a0-%e4%bc%aa%e5%88%86%e5%b8%83%e5%bc%8f%e7%8e%af%e5%a2%83%e6%90%ad%e5%bb%ba","status":"publish","type":"post","link":"http:\/\/8.152.216.154:8081\/?p=395","title":{"rendered":"Hadoop\u57fa\u7840\u7ec4\u4ef6\u5b66\u4e60–\u4f2a\u5206\u5e03\u5f0f\u73af\u5883\u642d\u5efa"},"content":{"rendered":"

\u672c\u6587\u7684\u76ee\u7684<\/strong><\/span><\/p>\n

    Hadoop\u5728\u5927\u6570\u636e\u6280\u672f\u4f53\u7cfb\u4e2d\u7684\u5730\u4f4d\u81f3\u5173\u91cd\u8981\uff0cHadoop\u662f\u5927\u6570\u636e\u6280\u672f\u7684\u57fa\u7840\uff0c\u5bf9Hadoop\u57fa\u7840\u77e5\u8bc6\u7684\u638c\u63e1\u7684\u624e\u5b9e\u7a0b\u5ea6\uff0c\u4f1a\u51b3\u5b9a\u5728\u5927\u6570\u636e\u6280\u672f\u9053\u8def\u4e0a\u8d70\u591a\u8fdc\u3002\u9996\u5148\u6211\u4eec\u8981\u642d\u5efa\u4e00\u4e2a\u9002\u7528\u4e8e\u4e2a\u4eba\u5b66\u4e60\u3001\u548c\u4f7f\u7528\u5404\u7ec4\u4ef6\u7684\u5f00\u53d1\u73af\u5883\uff0c\u4e00\u822c\u91c7\u7528\u4f2a\u5206\u5e03\u5f0f\u7684\u65b9\u5f0f\uff0c\u63a5\u4e0b\u6765\u5c31\u662f\u6211\u4eec\u7684\u642d\u5efa\u65b9\u6cd5\u548c\u8fc7\u7a0b\u3002<\/span><\/p>\n

    
<\/span><\/p>\n

\u4e00\u3001\u51c6\u5907<\/span><\/span><\/strong><\/p>\n

    vmware14
<\/span><\/span><\/p>\n

    centos7.2
<\/span><\/span><\/p>\n

    jdk1.8
<\/span><\/span><\/p>\n

    hadoop2.x<\/span><\/span><\/p>\n


<\/span><\/span><\/p>\n

\u4e8c\u3001\u5b89\u88c5\u57fa\u7840\u73af\u5883<\/span><\/span><\/strong><\/p>\n

1.\u5b89\u88c5vmware\u5e76\u8bbe\u7f6e\u5185\u5b58\u3001\u78c1\u76d8\u3001cpu\u7b49\u914d\u7f6e<\/span><\/span><\/p>\n

<\/span><\/p>\n

2.\u65b0\u5efa\u865a\u62df\u673a\u5b89\u88c5Centos\u7cfb\u7edf<\/span><\/span><\/p>\n

<\/span><\/span><\/p>\n

3.\u57fa\u7840\u73af\u5883\u914d\u7f6e<\/span><\/span><\/p>\n

\u2460\u865a\u62df\u673a\u7f51\u7edc\u8bbe\u7f6eNAT\u6a21\u5f0f<\/span><\/span><\/p>\n

<\/p>\n

<\/span><\/span>
<\/p>\n

\u2461\u9759\u6001\u5316IP\u5730\u5740\u548c\u7f51\u7edc\u8bbe\u7f6e<\/span><\/span><\/p>\n

    \u8bbe\u7f6e\u4e3b\u673a\u540d\u79f0\uff1a<\/span><\/p>\n

hostnamectl set-hostname master<\/p>\n

    
<\/p>\n

    \u9759\u6001\u5316IP: vi \/etc\/sysconfig\/network-scripts\/ifcfg-eno16777736<\/p>\n

                BOOTPROTO=static #dhcp\u6539\u4e3astatic<\/p>\n

                IPADDR=192.168.8.20 #\u9759\u6001IP<\/p>\n

                GATEWAY=192.168.8.2 #\u9ed8\u8ba4\u7f51\u5173<\/p>\n

                NETMASK=255.255.255.0 #\u5b50\u7f51\u63a9\u7801<\/p>\n

                DNS1=10.30.20.254  #DNS \u914d\u7f6e<\/p>\n

                DNS2=192.168.31.1<\/p>\n

     \u914d\u7f6ehosts\u6587\u4ef6:  vi \/etc\/hosts<\/p>\n

192.168.8.20 hadoop<\/p>\n


<\/p>\n

\u2462\u5173\u95ed\u9632\u706b\u5899\u7b49\u64cd\u4f5c<\/span><\/span><\/p>\n

     systemctl stop firewalld <\/p>\n

     systemctl disable firewalld     <\/p>\n

    \u67e5\u770b\u72b6\u6001\uff1asystemctl status firewalld <\/p>\n

   <\/p>\n

     vi \/etc\/selinux\/config <\/p>\n

    \u628aSELINUX=enforcing \u6539\u6210 SELINUX=disabled <\/p>\n

    \u91cd\u542f\u7535\u8111\u5c31\u53ef\u4ee5\u4e86<\/p>\n


<\/span><\/span>4.jdk\u5b89\u88c5<\/p>\n

    \u7531\u4e8ecentos\u81ea\u5e26\u4e3aopenjdk\uff0c\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u4f1a\u9047\u5230\u4e00\u4e9b\u95ee\u9898\u548c\u9519\u8bef\uff0c\u56e0\u6b64\u9700\u8981\u5378\u8f7d\u5b89\u88c5oracle\u7684jdk\uff0c\u65b9\u6cd5\u5982\u4e0b\uff0c\u5e76\u914d\u7f6e\u76f8\u5173\u53d8\u91cf\u3002
<\/p>\n

linux\u7248\u672c\uff1ahttp:\/\/www.oracle.com\/technetwork\/java\/javase\/downloads\/index.htm<\/p>\n

\u67e5\u770b\uff1arpm -qa | grep java<\/p>\n

\u5378\u8f7dopenjdk:<\/p>\n

     rpm -e –nodeps tzdata-java-2015g-1.el7.noarch<\/p>\n

     rpm -e –nodeps java-1.8.0-openjdk-headless-1.8.0.65-3.b17.el7.x86_64<\/p>\n

     rpm -e –nodeps java-1.8.0-openjdk-1.8.0.65-3.b17.el7.x86_64<\/p>\n

     rpm -e –nodeps java-1.7.0-openjdk-1.7.0.91-2.6.2.3.el7.x86_64<\/p>\n

     rpm -e –nodeps java-1.7.0-openjdk-headless-1.7.0.91-2.6.2.3.el7.x86_64<\/p>\n

<\/span>
<\/p>\n

<\/span><\/p>\n

\u4e0a\u4f20java\u5b89\u88c5\u6587\u4ef6\u3002<\/p>\n

   \u6267\u884c\u6743\u9650\uff1a<\/p>\n

        chmod +x jdk-8u121-linux-x64.rpm<\/p>\n

   \u5b89\u88c5\uff1a<\/p>\n

        rpm -ivh jdk-8u121-linux-x64.rpm<\/p>\n

<\/p>\n

\u914d\u7f6e\u73af\u5883\u53d8\u91cf\uff1a<\/p>\n

vim \/etc\/profile<\/p>\n

#set java environment<\/p>\n

JAVA_HOME=\/usr\/java\/jdk1.8.0_121<\/p>\n

JRE_HOME=\/usr\/java\/jdk1.8.0_121\/jre<\/p>\n

PATH=$JAVA_HOME\/bin:$JRE_HOME\/bin:$PATH              <\/p>\n

CLASSPATH=.:$JAVA_HOME\/jre\/lib\/ext:$JAVA_HOME\/lib\/dt.jar:$JAVA_HOME\/lib\/tools.jar<\/p>\n

export JAVA_HOME JRE_HOME PATH CLASSPATH<\/p>\n

\u4f7f\u914d\u7f6e\u6587\u4ef6\u751f\u6548\uff1asource \/etc\/profile<\/p>\n

<\/span><\/p>\n

<\/p>\n


<\/span><\/span><\/p>\n

\u4e09\u3001\u5b89\u88c5\u914d\u7f6eHadoop<\/span><\/span><\/strong><\/span><\/p>\n

1.\u4ece\u5b98\u7f51\u4e0b\u8f7d\u53d1\u5e03\u7248\u672c\u7684tar\u6587\u4ef6\uff0c\u5e76\u4e0a\u4f20\u5230\/usr\/local\/hadoop\u76ee\u5f55\u4e0b<\/span><\/span><\/p>\n

http:\/\/hadoop.apache.org\/releases.html<\/span><\/span><\/p>\n

<\/p>\n

<\/span><\/span>
<\/p>\n

2.\u89e3\u538bhadoop<\/p>\n

tar -zxvf .\/hadoop\/hadoop-2.8.4.tar.gz<\/p>\n

<\/p>\n

3.\u73af\u5883\u53d8\u91cf\u914d\u7f6e<\/p>\n

vim \/etc\/profile<\/p>\n

export HADOOP_HOME="\/usr\/local\/hadoop-2.8.4"<\/p>\n

export PATH=$HADOOP_HOME\/bin:$HADOOP_HOME\/sbin:$PATH<\/p>\n

<\/p>\n

\u4f7f\u914d\u7f6e\u6587\u4ef6\u751f\u6548:source \/etc\/profile<\/span><\/span><\/p>\n

\u5e76\u9a8c\u8bc1\uff1aecho $HADOOP_HOME<\/p>\n

<\/p>\n


<\/span><\/span><\/p>\n

4.<\/span><\/span><\/strong>\u914d\u7f6e hadoop-env.sh\u3001mapred-env.sh\u3001yarn-env.sh\u6587\u4ef6\u7684JAVA_HOME\u53c2\u6570<\/p>\n

sudo vim  ${HADOOP_HOME}\/etc\/hadoop\/hadoop-env.sh<\/p>\n

<\/p>\n


<\/p>\n

5.\u914d\u7f6ecore-site.xml<\/p>\n\n\n\n
\n

<configuration>  <\/p>\n

  <property>  <\/p>\n

    <!– \u7528\u4e8e\u8bbe\u7f6e<\/span>Hadoop<\/span>\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u7531<\/span>URI<\/span>\u6307\u5b9a <\/span>–><\/span><\/p>\n

    <name>fs.default.name<\/name>  <\/p>\n

    <value>hdfs:\/\/localhost:9000<\/value>  <\/p>\n

  <\/property>  <\/p>\n

  <property><\/p>\n

<!– \u914d\u7f6e<\/span>Hadoop<\/span>\u7684\u4e34\u65f6\u76ee\u5f55\uff0c\u9ed8\u8ba4\u5728<\/span>\/tmp<\/span>\u76ee\u5f55\u4e0b\uff0c\u4f46\u662f<\/span>\/tmp<\/span>\u4e0a\u9762\u53ef\u80fd\u4f1a\u88ab\u7cfb\u7edf\u81ea\u52a8\u6e05\u7406\u6389\u3002<\/span>–><\/span><\/p>\n

<name>hadoop.tmp.dir<\/name><\/p>\n

<!– \u76ee\u5f55\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u9700\u8981\u624b\u52a8\u521b\u5efa <\/span>–><\/span><\/p>\n

    <value>\/usr\/local\/hadoop_tmp<\/value><\/p>\n

    <description>A base for other temperary directory<\/description><\/p>\n

  <\/property><\/p>\n

<\/configuration>  <\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u521b\u5efa\u76ee\u5f55\uff1asudo mkdir -p \/usr\/local\/hadoop_tmp<\/p>\n


<\/p>\n

6.\u914d\u7f6ehdfs,\u683c\u5f0f\u5316\uff0c\u542f\u52a8hdfs<\/p>\n

\u2460\u914d\u7f6ehdfs<\/span><\/span><\/p>\n

<<\/span>property<\/span><\/span><\/span>><\/span><\/span><\/p>\n

    <<\/span>name<\/span><\/span><\/span>><\/span><\/span>dfs.replication<\/<\/span>name<\/span><\/span><\/span>><\/span><\/span><\/p>\n

    <<\/span>value<\/span><\/span><\/span>><\/span><\/span>1<\/<\/span>value<\/span><\/span><\/span>><\/span><\/span><\/p>\n

<\/<\/span>property<\/span><\/span><\/span>><\/span><\/span><\/p>\n

<\/p>\n

\u2461\u683c\u5f0f\u5316<\/p>\n

hdfs namenode -format<\/p>\n

<\/p>\n

\u5236\u5b9a\u7684\u76ee\u5f55\u4e0b\u6709dfs\u6587\u4ef6\u5939\uff0c\u8bc1\u660e\u521d\u59cb\u5316\u6210\u529f<\/p>\n

<\/p>\n

\u67e5\u770bll .\/dfs\/name\/current<\/p>\n

<\/p>\n

fsimage\u662fNameNode\u5143\u6570\u636e\u5728\u5185\u5b58\u6ee1\u4e86\u540e\uff0c\u6301\u4e45\u5316\u4fdd\u5b58\u5230\u7684\u6587\u4ef6\u3002<\/p>\n

fsimage*.md5<\/code> \u662f\u6821\u9a8c\u6587\u4ef6\uff0c\u7528\u4e8e\u6821\u9a8cfsimage\u7684\u5b8c\u6574\u6027\u3002<\/p>\n

seen_txid<\/code> \u662fhadoop\u7684\u7248\u672c<\/p>\n

vession\u6587\u4ef6\u91cc\u4fdd\u5b58\uff1a<\/span><\/p>\n

    \n
  • \n

    namespaceID\uff1aNameNode\u7684\u552f\u4e00ID\u3002<\/p>\n<\/li>\n

  • \n

    clusterID:\u96c6\u7fa4ID\uff0cNameNode\u548cDataNode\u7684\u96c6\u7fa4ID\u5e94\u8be5\u4e00\u81f4\uff0c\u8868\u660e\u662f\u4e00\u4e2a\u96c6\u7fa4\u3002<\/p>\n<\/li>\n<\/ul>\n

    \u2462\u542f\u52a8<\/p>\n

    \u53ef\u4ee5\u5355\u72ec\u542f\u52a8namenode\u3001datanode\u3001secondarynamenode<\/p>\n

    \u5728sbin\u76ee\u5f55\u4e0b\uff0c\u662f\u6240\u6709\u8bfe\u6267\u884c\u7684\u547d\u4ee4\u64cd\u4f5c<\/p>\n

    <\/p>\n

    \u542f\u52a8namenode:${HADOOP_HOME}\/sbin\/hadoop-daemon.sh start namenode<\/p>\n

    \u542f\u52a8datanode:hadoop-daemon.sh start datanode<\/p>\n

    \u542f\u52a8secondarynamenode:<\/p>\n

    hadoop-daemon.sh start secondarynamenode<\/p>\n

    <\/p>\n

    \u9a8c\u8bc1\u542f\u52a8jps,\u5982\u4e0b\u542f\u52a8\u6210\u529f\u3002<\/p>\n

    <\/p>\n


    <\/span><\/span><\/strong><\/p>\n

    7.\u63a5\u4e0b\u6765\u6211\u4eec\u53ef\u4ee5\u9a8c\u8bc1hdfs\u8bfb\u5199\u3001\u4e0a\u4f20\u3001\u4e0b\u8f7d\u7b49\u529f\u80fd<\/span><\/span><\/strong><\/p>\n

    hadoop fs -ls \/    #\u663e\u793a\u6839\u76ee\u5f55\u4e0b\u6240\u6709\u7684hdfs\u6587\u4ef6<\/span><\/span><\/strong><\/p>\n

    hadoop fs -mkdir \/test # \u521b\u5efatest\u76ee\u5f55<\/strong><\/span><\/span><\/p>\n

    hadoop fs -put \/**    \/**   #\u4e0a\u4f20\u6587\u4ef6\u5230\u5bf9\u5e94\u8def\u5f84\u4e0b<\/strong><\/span><\/span><\/p>\n

    hadoop fs -cat \/**  #\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/strong><\/span><\/span><\/p>\n

    hadoop fs <\/strong><\/span><\/span><\/p>\n

    <\/p>\n


    <\/span><\/span><\/strong><\/p>\n

    \u603b\u7ed3<\/strong><\/span><\/span><\/p>\n

        <\/span><\/span><\/strong>Hadoop\u7684HDFS\u73af\u5883\u5df2\u914d\u7f6e\u6210\u529f\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u4f1a\u6df1\u5165\u7406\u89e3hdfs\u7684\u539f\u7406\u548c\u5de5\u4f5c\u673a\u5236\uff0c\u5e76\u4f1a\u5b66\u4e60Mapreduce\u3001yarn\u7b49\u7ec4\u4ef6\u3002<\/span><\/p>\n


    <\/span><\/span><\/strong><\/p>\n


    <\/span><\/span><\/strong><\/p>\n


    <\/span><\/span><\/strong><\/p>\n


    <\/span><\/span><\/strong><\/p>\n


    <\/span><\/span><\/strong><\/p>\n


    <\/span><\/span><\/strong><\/p>\n


    <\/span><\/span><\/strong><\/p>\n


    <\/span><\/span><\/strong><\/p>\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    \u672c\u6587\u7684\u76ee\u7684     Hadoop\u5728\u5927\u6570\u636e\u6280\u672f\u4f53\u7cfb\u4e2d\u7684\u5730\u4f4d\u81f3\u5173\u91cd\u8981\uff0cHa […]<\/p>\n","protected":false},"author":1,"featured_media":396,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[26,27],"_links":{"self":[{"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=\/wp\/v2\/posts\/395"}],"collection":[{"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=395"}],"version-history":[{"count":1,"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=\/wp\/v2\/posts\/395\/revisions"}],"predecessor-version":[{"id":397,"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=\/wp\/v2\/posts\/395\/revisions\/397"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=\/wp\/v2\/media\/396"}],"wp:attachment":[{"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=395"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/8.152.216.154:8081\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}