{"id":2859,"date":"2016-08-23T23:52:57","date_gmt":"2016-08-23T15:52:57","guid":{"rendered":"http:\/\/www.menglanglang.cn\/?p=2859"},"modified":"2022-09-16T05:53:54","modified_gmt":"2022-09-15T21:53:54","slug":"%e5%ae%89%e8%a3%85hadoop%e5%88%9d%e5%ad%a6","status":"publish","type":"post","link":"http:\/\/www.menglanglang.cn\/?p=2859","title":{"rendered":"\u5b89\u88c5Hadoop2\u521d\u5b66"},"content":{"rendered":"

\u5b89\u88c5 Hadoop2 \u4e4b\u524d\uff0c\u9700\u8981\u5148\u5b89\u88c5\u4e24\u4e2a\u7a0b\u5e8f\uff0c\u90a3\u5c31\u662f JDK \u548c SSH\u3002<\/p>\n

1. \u5b89\u88c5 JDK1.6 \u6216\u66f4\u9ad8\u7248\u672c\u3002<\/strong><\/p>\n

\u56e0\u4e3a Hadoop \u662f Java \u7f16\u5199\u7684\uff0c\u5b83\u7684\u7f16\u8bd1\u4ee5\u53ca MapReduce \u7684\u8fd0\u884c\uff0c\u90fd\u9700\u8981 JDK\u3002<\/p>\n

\u8fd9\u91cc\u5b89\u88c5 JDK1.7\uff0c\u539f\u56e0\u662f\u592a\u65b0\u7684 JDK \u4e0d\u662f\u5f88\u7a33\u5b9a\uff0c\u800c Hadoop \u5728\u5347\u7ea7\u7684\u8fc7\u7a0b\u4e2d\u4e0d\u518d\u652f\u6301\u4f4e\u7248\u672c\u7684 JDK\uff0c\u90a3\u4e48\u592a\u8001\u7248\u672c\u4e5f\u6700\u597d\u522b\u7528\uff0c\u5426\u5219\u5c31\u4f1a\u6709\u5f88\u591a\u9884\u6599\u4e0d\u5230\u7684\u95ee\u9898\u51fa\u73b0\u3002<\/p>\n

\u5b89\u88c5 JDK \u7684\u8be6\u7ec6\u6b65\u9aa4\u7f51\u4e0a\u4e00\u641c\u4e00\u5927\u5806\uff0c\u8fd9\u91cc\u5c31\u4e0d\u518d\u8be6\u8ff0\uff0c\u7ed9\u51fa\u4e24\u7bc7\u6587\u7ae0\u4f9b\u53c2\u8003\uff1a\u300aLinux\u7cfb\u7edf\u642d\u5efaWeb\u670d\u52a1\u5668<\/a>\u300b\u548c\u300a\u5728Ubuntu14.04\u4e0a\u5b89\u88c5JDK<\/a>\u300b\uff0c\u5728\u8fd9\u91cc\u5b89\u88c5 jdk-7u79-linux-x64.tar.gz\u3002<\/p>\n

2. \u5b89\u88c5 OpenSSH\u3002<\/strong><\/p>\n

\u56e0\u4e3aHadoop \u901a\u8fc7 SSH \u542f\u52a8 Slave \u5217\u8868\u4e2d\u5404\u53f0\u4e3b\u673a\u7684\u8fdb\u7a0b\u3002\u4e0d\u7ba1\u662f\u96c6\u7fa4\u5f0f\u8fd8\u662f\u4f2a\u5206\u5e03\u5f0f\uff0c\u5b83\u90fd\u4f1a\u6309\u6b21\u5e8f\u542f\u52a8 conf\/slaves \u6587\u4ef6\u4e2d\u7684\u4e3b\u673a\u8fdb\u7a0b\uff0c\u4e0e\u96c6\u7fa4\u7684\u5904\u7406\u65b9\u5f0f\u76f8\u540c\u3002<\/p>\n

\u914d\u7f6e SSH \u514d\u5bc6\u7801\u767b\u9646\uff1a<\/p>\n

1\uff09\u67e5\u770b\u7528\u6237\u76ee\u5f55\u4e0b\u662f\u5426\u6709 .ssh \u9690\u85cf\u6587\u4ef6\u5939\uff0c\u5982\u679c\u6ca1\u6709\uff0c\u624b\u52a8\u521b\u5efa\u4e00\u4e2a\u3002<\/p>\n

~$ mkdir .ssh<\/code><\/p>\n

2\uff09\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u751f\u6210\u5bc6\u94a5\u6587\u4ef6\u3002<\/p>\n

~$ ssh-keygen -t dsa -P '' -f ~\/.ssh\/id_dsa<\/p>\n

\u5176\u4e2d\uff0cssh-keygen \u4ee3\u8868\u751f\u6210\u5bc6\u94a5\uff0c-t dsa \u8868\u793a\u751f\u6210\u7684\u5bc6\u94a5\u7c7b\u578b\u4e3a dsa\uff0c-P \u7528\u4e8e\u63d0\u793a\u5bc6\u8bed\uff0c-f \u6307\u5b9a\u751f\u6210\u7684\u5bc6\u94a5\u6587\u4ef6\u3002<\/p>\n

\u7ed3\u679c\uff1a<\/p>\n

\n
Generating public\/private dsa key pair.
\nYour identification has been saved in \/home\/menglanglang\/.ssh\/id_dsa.
\nYour public key has been saved in \/home\/menglanglang\/.ssh\/id_dsa.pub.
\nThe key fingerprint is:<\/div>\n
\u3002\u3002\u3002\u3002\u3002\u3002<\/div>\n<\/blockquote>\n

\u5982\u679c\u770b\u5230\u4ee5\u4e0a\u7ed3\u679c\uff0c\u5219\u8bf4\u660e\u5bc6\u94a5\u751f\u6210\u6210\u529f\u3002\u4ee5\u4e0a\u547d\u4ee4\u4f1a\u5728 .ssh \u6587\u4ef6\u5939\u4e0b\u521b\u5efa\u751f\u6210\u4e00\u5bf9 id_dsa\uff08\u79c1\u94a5\uff09 \u548c id_dsa.pub\uff08\u516c\u94a5\uff09\u3002<\/p>\n

3\uff09\u628a\u516c\u94a5\u8ffd\u52a0\u5230\u6388\u6743\u7684 key \u4e2d\u53bb\uff0c\u5373\u628a\u516c\u94a5\u52a0\u5230\u7528\u4e8e\u8ba4\u8bc1\u7684\u516c\u94a5\u6587\u4ef6 authorized_keys \u4e2d\uff0c\u5230\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

~$ cat ~\/.ssh\/id_dsa.pub >> ~\/.ssh\/authorized_keys<\/code><\/p>\n

\u9a8c\u8bc1 SSH \u514d\u5bc6\u7801\u767b\u9646\uff1a<\/p>\n

~$ ssh -version<\/code><\/p>\n

\u7ed3\u679c\uff1aBad escape character 'rsion'.<\/p>\n

~$ ssh localhost<\/code><\/p>\n

\u7ed3\u679c\uff1a<\/p>\n

\n
The authenticity of host 'localhost (::1)' can't be established.
\nECDSA key fingerprint is \u3002\u3002\u3002\u3002\u3002\u3002
\nAre you sure you want to continue connecting (yes\/no)? yes<\/strong><\/span>
\nWarning: Permanently added 'localhost' (ECDSA) to the list of known hosts.
\nWelcome to Ubuntu 16.04 LTS (GNU\/Linux 4.4.0-21-generic x86_64)<\/div>\n
* Documentation: https:\/\/help.ubuntu.com\/<\/div>\n
0 packages can be updated.
\n0 updates are security updates.<\/div>\n
Last login: Mon Aug 22 09:31:37 2016 from 192.168.88.101<\/div>\n<\/blockquote>\n

\u81f3\u6b64\uff0cSSH \u5b89\u88c5\u5e76\u914d\u7f6e\u6210\u529f\u4e86\u3002<\/p>\n

3. \u5b89\u88c5 Hadoop\u3002<\/strong><\/p>\n

\u4e0b\u8f7d Hadoop \u7684\u5b98\u65b9\u53d1\u884c\u7248\u672c\uff0c\u8fd9\u91cc\u4e0b\u8f7d hadoop-2.6.4.tar.gz\uff0c\u5e76\u5c06\u5176\u89e3\u538b\u5230 \/home\/\u7528\u6237\u76ee\u5f55\u4e0b\u3002<\/p>\n

\u914d\u7f6e Hadoop\uff1a<\/p>\n

\u5355\u673a\u6a21\u5f0f\u7684 Hadoop \u4e0d\u9700\u8981\u914d\u7f6e\uff0c\u9ed8\u8ba4 Hadoop \u662f\u4e00\u4e2a\u5355\u72ec\u7684 Java \u8fdb\u7a0b\uff0c\u8be5\u6a21\u5f0f\u7ecf\u5e38\u7528\u6765\u8c03\u8bd5\u3002<\/p>\n

\u4f2a\u5206\u5e03\u5f0f\u7684 Hadoop \u914d\u7f6e\uff0c\u5728\u8be5\u6a21\u5f0f\u4e0b\uff0c\u53ef\u4ee5\u770b\u4f5c\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\u7684\u96c6\u7fa4\uff0c\u65e2\u662f Master\uff0c\u53c8\u662fSlave\uff0c\u65e2\u662f NameNode\uff0c\u4e5f\u662f DataNode\uff0c\u65e2\u662f JobTracker\uff0c\u4ea6\u662f TaskTracker\u3002<\/p>\n

1\uff09\u8fdb\u5165 Hadoop \u914d\u7f6e\u6587\u4ef6\u5939\u3002<\/p>\n

$ cd hadoop-2.6.4\/etc\/hadoop\/<\/p>\n

2\uff09\u914d\u7f6e JDK \u8def\u5f84\uff1a<\/p>\n

$ vi hadoop-env.sh<\/p>\n

\u627e\u5230\u4e0b\u9762\u4ee3\u7801\u90e8\u5206\uff1a<\/p>\n

\n
# The java implementation to use.<\/div>\n
export JAVA_HOME=${JAVA_HOME}<\/div>\n<\/blockquote>\n

\u5728\u8fd9\u91cc\u76f4\u63a5\u4fee\u6539\u4e3a JDK \u8def\u5f84\uff0c\u5982\u4e0b\uff1a<\/p>\n

export JAVA_HOMEl=\/usr\/local\/java<\/code><\/p>\n

\u8def\u5f84\u6839\u636e\u81ea\u5df1 JDK \u7684\u5b9e\u9645\u5b89\u88c5\u8def\u5f84\u914d\u7f6e\u5373\u53ef\uff0c\u4e0a\u9762\u7b2c\u4e00\u6b65\u662f\u5b89\u88c5\u5230\u4e86 \/usr\/local \u4e0b\u3002<\/p>\n

3\uff09\u4fee\u6539 Hadoop \u7684\u6838\u5fc3\u914d\u7f6e\u6587\u4ef6 core-site.xml<\/strong><\/span>\uff0c\u914d\u7f6e HDFS \u7684\u5730\u5740\u53ca\u7aef\u53e3\u53f7\u3002<\/p>\n

$ vi core-site.xml<\/p>\n

\u914d\u7f6e\uff1a<\/p>\n

\n
\n
Code<\/b>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
    \n
  1. <<\/span>configuration<\/span>><\/span><\/li>\n
  2. \u00a0\u00a0\u00a0\u00a0<<\/span>property<\/span>><\/span><\/li>\n
  3. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\/span>name<\/span>><\/span>fs.default.name<\/<\/span>name<\/span>><\/span><\/li>\n
  4. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\/span>value<\/span>><\/span>hdfs:\/\/localhost:9000<\/<\/span>value<\/span>><\/span><\/li>\n
  5. \u00a0\u00a0\u00a0\u00a0<\/<\/span>property<\/span>><\/span><\/li>\n
  6. <\/<\/span>configuration<\/span>><\/span><\/li>\n<\/ol>\n<\/div>\n

    4\uff09\u4fee\u6539 Hadoop \u7684\u6838\u5fc3\u914d\u7f6e\u6587\u4ef6 hdfs-site.xml<\/strong><\/span>\uff0c\u914d\u7f6e\u5907\u4efd\u65b9\u5f0f\u9ed8\u8ba4\u4e3a 3\uff0c\u5355\u673a\u7248\u5219\u9700\u6539\u4e3a 1\u3002<\/p>\n

    $ vi hdfs-site.xml<\/p>\n

    \u914d\u7f6e\uff1a<\/p>\n

    \n
    \n
    Code<\/b>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
      \n
    1. <<\/span>configuration<\/span>><\/span><\/li>\n
    2. \u00a0\u00a0\u00a0\u00a0<<\/span>property<\/span>><\/span><\/li>\n
    3. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\/span>name<\/span>><\/span>dfs.replication<\/<\/span>name<\/span>><\/span><\/li>\n
    4. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\/span>value<\/span>><\/span>3<\/<\/span>value<\/span>><\/span><\/li>\n
    5. \u00a0\u00a0\u00a0\u00a0<\/<\/span>property<\/span>><\/span><\/li>\n
    6. <\/<\/span>configuration<\/span>><\/span><\/li>\n<\/ol>\n<\/div>\n

      5\uff09\u4fee\u6539 Hadoop \u7684\u6838\u5fc3\u914d\u7f6e\u6587\u4ef6 mapred-site.xml<\/span><\/strong>\uff0c\u914d\u7f6e MapReduce \u4e2d JobTracker \u7684\u5730\u5740\u53ca\u7aef\u53e3\u3002\u4f46\u914d\u7f6e\u6587\u4ef6\u4e2d\u6ca1\u6709\u8be5\u6587\u4ef6\uff0c\u6709\u4e00\u4e2a mapred-site.xml.template \u6587\u4ef6\uff0c\u6240\u4ee5\u62f7\u8d1d\u4e00\u4efd\uff0c\u547d\u540d\u4e3a mapred-site.xml \u5e76\u914d\u7f6e\u3002<\/p>\n

      \n
      $ cp mapred-site.xml.template mapred-site.xml<\/div>\n
      $ vi mapred-site.xml<\/div>\n<\/blockquote>\n

      \u914d\u7f6e\uff1a<\/p>\n

      \n
      \n
      Code<\/b>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
        \n
      1. <<\/span>configuration<\/span>><\/span><\/li>\n
      2. \u00a0\u00a0\u00a0\u00a0<<\/span>property<\/span>><\/span><\/li>\n
      3. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\/span>name<\/span>><\/span>mapred.job.tracker<\/<\/span>name<\/span>><\/span><\/li>\n
      4. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\/span>value<\/span>><\/span>localhost:9001<\/<\/span>value<\/span>><\/span><\/li>\n
      5. \u00a0\u00a0\u00a0\u00a0<\/<\/span>property<\/span>><\/span><\/li>\n
      6. <\/<\/span>configuration<\/span>><\/span><\/li>\n<\/ol>\n<\/div>\n

        4. \u542f\u52a8 Hadoop\u3002<\/strong><\/p>\n

        1\uff09\u542f\u52a8\u524d\uff0c\u9700\u8981\u683c\u5f0f\u5316\u6587\u4ef6\u7cfb\u7edf HDFS\uff0c\u8fdb\u5165 Hadoop \u6839\u76ee\u5f55\u3002<\/p>\n

        $ bin\/hadoop namenode -format<\/code><\/p>\n

        \u6ce8\u610f\uff1a\u4e0d\u8981\u628a namenode \u5199\u6210 namenodes \u6216\u8005\u662f NameNode \u7b49\uff0c\u4e0d\u7136\u4f1a\u62a5\u5982\u4e0b\u9519\u8bef\uff1a<\/p>\n

        \n
        Error: Could not find or load main class NameNode<\/span><\/strong><\/div>\n<\/blockquote>\n

        \u7ed3\u679c\uff1a<\/p>\n

        \n
        \n
        Code<\/b>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
          \n
        1. DEPRECATED:\u00a0Use\u00a0of\u00a0this\u00a0script\u00a0to\u00a0execute\u00a0hdfs\u00a0command\u00a0is\u00a0deprecated.<\/li>\n
        2. Instead\u00a0use\u00a0the\u00a0hdfs\u00a0command\u00a0for\u00a0it.<\/li>\n
        3. <\/li>\n
        4. 16\/08\/22\u00a012:09:38\u00a0INFO\u00a0namenode.NameNode:\u00a0STARTUP_MSG:<\/li>\n
        5. \/************************************************************<\/li>\n
        6. STARTUP_MSG:\u00a0Starting\u00a0NameNode<\/li>\n
        7. STARTUP_MSG:\u00a0\u00a0\u00a0host<\/span>\u00a0=\u00a0ubuntuserver<\/span>.workgroup\/192.168.88.110<\/li>\n
        8. STARTUP_MSG:\u00a0\u00a0\u00a0args<\/span>\u00a0=\u00a0[-format]<\/li>\n
        9. STARTUP_MSG:\u00a0\u00a0\u00a0version<\/span>\u00a0=\u00a02<\/span>.6.4<\/li>\n
        10. \u3002\u3002\u3002\u3002\u3002\u3002<\/li>\n
        11. 16\/08\/22\u00a012:09:47\u00a0INFO\u00a0common.Storage:\u00a0Storage\u00a0directory\u00a0\/tmp\/hadoop-menglanglang\/dfs\/name\u00a0has\u00a0been\u00a0successfully\u00a0formatted<\/span><\/strong>.<\/li>\n
        12. 16\/08\/22\u00a012:09:47\u00a0INFO\u00a0namenode.NNStorageRetentionManager:\u00a0Going\u00a0to\u00a0retain\u00a01\u00a0images\u00a0with\u00a0txid\u00a0><\/span>=\u00a00<\/li>\n
        13. 16\/08\/22\u00a012:09:47\u00a0INFO\u00a0util.ExitUtil:\u00a0Exiting\u00a0with\u00a0status\u00a00<\/li>\n
        14. 16\/08\/22\u00a012:09:47\u00a0INFO\u00a0namenode.NameNode:\u00a0SHUTDOWN_MSG:<\/li>\n
        15. \/************************************************************<\/li>\n
        16. SHUTDOWN_MSG:\u00a0Shutting\u00a0down\u00a0NameNode\u00a0at\u00a0ubuntuserver.workgroup\/192.168.88.110<\/li>\n
        17. ************************************************************\/<\/li>\n<\/ol>\n<\/div>\n

          \u4e0b\u9762\u7684\u547d\u4ee4\u542f\u52a8\u6240\u6709\u8fdb\u7a0b\u3002<\/p>\n

          $ sbin\/start-all.sh<\/code><\/p>\n

          \u7ed3\u679c\uff1a<\/p>\n

          \n
          This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
          \nStarting namenodes on [localhost]<\/div>\n
          \u3002\u3002\u3002\u3002\u3002\u3002<\/div>\n<\/blockquote>\n

          \u53ef\u4ee5\u770b\u5230\u65b0\u7248\u672c\u7684 Hadoop \u5df2\u7ecf\u5e9f\u5f03\u4e86\u539f\u6765\u7684\u547d\u4ee4\uff0c\u5efa\u8bae\u4f7f\u7528\u65b0\u547d\u4ee4\u5206\u522b\u542f\u52a8\u3002<\/p>\n

          \u7528\u4e0b\u5217\u547d\u4ee4\u6d4b\u8bd5\u662f\u5426\u542f\u52a8\u6210\u529f\u3002<\/p>\n

          $ jps<\/code><\/p>\n

          \u7ed3\u679c\uff1a<\/p>\n

          \n
          13559 Jps
          \n13168 NodeManager
          \n13056 ResourceManager
          \n12207 NameNode
          \n12319 DataNode
          \n12497 SecondaryNameNode<\/div>\n<\/blockquote>\n

          \u770b\u5230\u5982\u4e0a\u7ed3\u679c\uff0c\u5219\u8bf4\u660e Hadoop \u542f\u52a8\u6210\u529f\u4e86\u3002<\/p>\n

          \u81f3\u6b64\uff0cHadoop \u7684\u5b89\u88c5\uff0c\u914d\u7f6e\u4ee5\u53ca\u542f\u52a8\u5219\u5168\u90e8\u5b8c\u6210\u4e86\u3002<\/p>\n

          Good Luck\uff01<\/p>\n

          \u672c\u6587\u53c2\u8003\u300aHadoop\u5b9e\u6218 \u7b2c2\u7248\u300b\u7b2c 2 \u7ae0 2.1 \u8282\u5b89\u88c5\u914d\u7f6e\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u5b89\u88c5 Hadoop2 \u4e4b\u524d\uff0c\u9700\u8981\u5148\u5b89\u88c5\u4e24\u4e2a\u7a0b\u5e8f\uff0c\u90a3\u5c31\u662f JDK \u548c SSH\u3002 1. \u5b89\u88c5 JDK1.6 \u6216\u66f4\u9ad8 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[793],"tags":[684,877,214,199],"class_list":["post-2859","post","type-post","status-publish","format-standard","hentry","category-hadoop","tag-hadoop","tag-877","tag-214","tag-199"],"_links":{"self":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/2859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2859"}],"version-history":[{"count":5,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/2859\/revisions"}],"predecessor-version":[{"id":4675,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/2859\/revisions\/4675"}],"wp:attachment":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2859"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}