{"id":960,"date":"2018-06-22T08:52:03","date_gmt":"2018-06-22T00:52:03","guid":{"rendered":"http:\/\/www.rain1024.com\/?p=960"},"modified":"2023-08-07T20:57:26","modified_gmt":"2023-08-07T12:57:26","slug":"article126","status":"publish","type":"post","link":"http:\/\/rain1024.com\/index.php\/2018\/06\/22\/article126\/","title":{"rendered":"\u57fa\u4e8eHadoop\u642d\u5efaHDFS\u4f2a\u5206\u5e03\u5f0f\u73af\u5883\u7684\u5b89\u88c5\u6b65\u9aa4"},"content":{"rendered":"<p>\u57fa\u4e8eHadoop\u642d\u5efaHDFS\u4f2a\u5206\u5e03\u5f0f\u73af\u5883\u7684\u5b89\u88c5\u6b65\u9aa4<\/p>\n<p>\u672c\u6b21\u5b9e\u9a8c\u4e2d\uff0c\u8001\u5e08\u4f7f\u7528\u7684\u662fhadoop\u7528\u6237\uff0c\u6211\u662f\u76f4\u63a5\u4f7f\u7528root\u7528\u6237\uff0c\u6240\u4ee5\u6ca1\u6709sudo\uff0c\u73af\u5883\u53d8\u91cf\u4e5f\u662f\/etc\/profile\uff0c\u5176\u4ed6\u7684\u57fa\u672c\u4e00\u6837\u3002<\/p>\n<ol>\n<li>JDK\u5b89\u88c5<\/li>\n<\/ol>\n<p>\u67e5\u770b\u5df2\u7ecf\u4e0a\u4f20\u7684jdk\u6587\u4ef6\uff0c\u5e76\u5b89\u88c5<\/p>\n<p>\u5b89\u88c5\u547d\u4ee4\uff1a yum localinstall -y jdk-8u171-linux-x64.rpm<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpslqz6j30fe0auwfc.jpg\" alt=\"\" \/><br \/>\n\u6dfb\u52a0\u5230\u7cfb\u7edf\u73af\u5883\u53d8\u91cf\uff1a ~\/.bash_profile<\/p>\n<p>\u200b         export JAVA_HOME=\/usr\/java\/jdk1.8.0_171-amd64<\/p>\n<p>\u200b         export PATH=$JAVA_HOME\/bin:$PATH:$HOME\/bin<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsljn6j30fe0173yd.jpg\" alt=\"\" \/><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsm2jwj30fe0au3yy.jpg\" alt=\"\" \/><\/p>\n<p>\u4f7f\u5f97\u73af\u5883\u53d8\u91cf\u751f\u6548\uff1asource ~\/.bash_profile<\/p>\n<p>\u200b     \u9a8c\u8bc1java\u662f\u5426\u914d\u7f6e\u6210\u529f: java -version<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsk8k7j30fe056wet.jpg\" alt=\"\" \/><\/p>\n<ol>\n<li>\u5b89\u88c5SSH<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsk4gkj30fe04ndfz.jpg\" alt=\"\" \/><br \/>\n\u5728\u5b89\u88c5ssh\u662f\u51fa\u9519\uff0c\u7528xshell\u8fdb\u884cssh\u8fde\u63a5\uff0c\u53d1\u73b0\u53ef\u4ee5\u8fde\u901a\uff0c\u6240\u4ee5\u4e0d\u518d\u5b89\u88c5<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpskjwtj30fe06274c.jpg\" alt=\"\" \/><\/p>\n<ol>\n<li>\u5b89\u88c5sshd\u7684\u65f6\u5019\uff0c\u53d1\u73b0\u670d\u52a1\u4e2dsshd\u670d\u52a1\u4ee5\u53ca\u542f\u52a8\uff0c\u6240\u4ee5\u4e0d\u5b89\u88c5\u4e86<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsp52oj30fe054weq.jpg\" alt=\"\" \/><\/p>\n<ol>\n<li>\u5b89\u88c5Hadoop<\/li>\n<\/ol>\n<p>\u4e0b\u8f7d\u5e76\u89e3\u538bHadoop\uff0c<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsngwzj30fe01qq2t.jpg\" alt=\"\" \/><\/p>\n<p>\u5df2\u7ecf\u4e0b\u8f7d\u5e76\u653e\u5230\u684c\u9762\u4e0a\uff0c\u76f4\u63a5\u89e3\u538b\uff0c\u5b89\u88c5<\/p>\n<p>\u89e3\u538b\uff1atar -zxvf Hadoop-2.6.0-cdh5.7.0.tar.gz<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsqmapj30fe0avabc.jpg\" alt=\"\" \/><\/p>\n<p>\u67e5\u770b\u76ee\u5f55\uff0c\u5e76\u8fdb\u5165\/etc\/Hadoop\/<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpss3hmj30fe09u0tm.jpg\" alt=\"\" \/><\/p>\n<ol>\n<li>\u4fee\u6539\u914d\u7f6e\u6587\u4ef6<\/li>\n<\/ol>\n<p>hadoop\u914d\u7f6e\u6587\u4ef6\u7684\u4fee\u6539($HADDOP_HOME\/etc\/hadoop)<\/p>\n<p>hadoop-env.sh<\/p>\n<p>\u200b         export JAVA_HOME=\/usr\/java\/jdk1.8.0_171-amd64<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpspuhkj30fe0aswfc.jpg\" alt=\"\" \/><\/p>\n<p>\u200b     core-site.xml<\/p>\n<p>\u200b         <property>\n<p>\u200b             <name>fs.defaultFS<\/name><\/p>\n<p>\u200b             <value>hdfs:\/\/localhost:9000<\/value><\/p>\n<p>\u200b         <\/property>\n<p>\u200b         \u7531\u4e8ehadoop\u4f2a\u5206\u5e03\u5f0f\u5b58\u50a8\u9ed8\u8ba4\u4f7f\u7528\u5bbf\u4e3b\u7cfb\u7edf\u7684\u4e34\u65f6\u6587\u4ef6\u5939\uff0c\u4f1a\u5bfc\u81f4\u6bcf\u6b21\u5bbf\u4e3b\u7cfb\u7edf\u91cd\u542f\u540e\u4e22\u5931\uff0c\u9700\u8981\u624b\u52a8\u5236\u5b9a\u4e00\u4e2a\u76ee\u5f55<\/p>\n<p>\u200b         <property>\n<p>\u200b              <name>hadoop.tmp.dir<\/name><\/p>\n<p>\u200b              <value>\/home\/hadoop\/app\/tmp<\/value><\/p>\n<p>\u200b         <\/property>\n<p>\u200b     hdfs-site.xml<\/p>\n<p>\u200b         <property>\n<p>\u200b            <name>dfs.replication<\/name><\/p>\n<p>\u200b             <value>1<\/value><\/p>\n<p>\u200b        <\/property>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsufetj30fe01zq2w.jpg\" alt=\"\" \/><br \/>\n<img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpstog7j30fe0ap0te.jpg\" alt=\"\" \/><br \/>\n<img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpstvqbj30fe0aodgk.jpg\" alt=\"\" \/><\/p>\n<ol>\n<li>\u7ed9Hadoop\u914d\u7f6e\u73af\u5883\u53d8\u91cf<\/li>\n<\/ol>\n<p>\u6dfb\u52a0\u73af\u5883\u53d8\u91cf\uff1a<\/p>\n<p>\u200b         export HADOOP_HOME=\/home\/hadoop\/app\/hadoop-2.6.0-cdh5.7.0<\/p>\n<p>\u200b         export PATH=$HADOOP_HOME\/bin:$HADOOP_HOME\/sbin:$PATH<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsuko8j30fe01qa9w.jpg\" alt=\"\" \/><br \/>\n<img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsxdo6j30fe02n0sq.jpg\" alt=\"\" \/><\/p>\n<p>\u4f7f\u73af\u5883\u53d8\u91cf\u751f\u6548 source \/etc\/profile<\/p>\n<p>\u67e5\u770bHadoop<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsybsqj30fe08gjrz.jpg\" alt=\"\" \/><\/p>\n<ol>\n<li>\u542f\u52a8hdfs<\/li>\n<\/ol>\n<p>\u683c\u5f0f\u5316\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff08\u4ec5\u7b2c\u4e00\u6b21\u6267\u884c\u5373\u53ef\uff0c\u4e0d\u53ef\u91cd\u590d\u6267\u884c\uff09\uff1a<\/p>\n<p>\u200b     hdfs namenode -format<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpt2ts9j30fe0atq4l.jpg\" alt=\"\" \/><\/p>\n<p>\u542f\u52a8: start-dfs.sh<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsy8n3j30fe0awq48.jpg\" alt=\"\" \/><\/p>\n<p>\u9a8c\u8bc1\u662f\u5426\u542f\u52a8\u6210\u529f\uff1a<\/p>\n<p>\u200b         jps<\/p>\n<p>\u200b              NameNode<\/p>\n<p>\u200b              SecondaryNameNode<\/p>\n<p>\u200b              DataNode<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsyd6bj30fe02rgll.jpg\" alt=\"\" \/><\/p>\n<p>\u6d4f\u89c8\u5668\u8bbf\u95ee\u65b9\u5f0f\uff1a<a href=\"http:\/\/localhost:50070\">http:\/\/localhost:50070<\/a><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/ww1.sinaimg.cn\/mw690\/006npsefly1fsjnpsztvxj30fe095q3a.jpg\" alt=\"\" \/><\/p>\n<p>8) \u5173\u95edhdfs<\/p>\n<p>\u200b     stop-dfs.sh<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u4e8eHadoop\u642d\u5efaHDFS\u4f2a\u5206\u5e03\u5f0f\u73af\u5883\u7684\u5b89\u88c5\u6b65\u9aa4 \u672c\u6b21\u5b9e\u9a8c\u4e2d\uff0c\u8001\u5e08\u4f7f\u7528\u7684\u662fhadoop\u7528\u6237\uff0c\u6211\u662f\u76f4\u63a5\u4f7f\u7528ro\u2026 <span class=\"read-more\"><a href=\"http:\/\/rain1024.com\/index.php\/2018\/06\/22\/article126\/\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[67],"class_list":["post-960","post","type-post","status-publish","format-standard","hentry","category-programme","tag-67"],"_links":{"self":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/comments?post=960"}],"version-history":[{"count":1,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/960\/revisions"}],"predecessor-version":[{"id":1407,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/960\/revisions\/1407"}],"wp:attachment":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/media?parent=960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/categories?post=960"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/tags?post=960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}