{"id":43712,"date":"2024-10-06T04:31:49","date_gmt":"2024-10-05T20:31:49","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43712\/"},"modified":"2024-10-06T04:31:49","modified_gmt":"2024-10-05T20:31:49","slug":"centos-7-2-%e4%b8%8b-hadoop-2-7-2-%e9%9b%86%e7%be%a4%e6%90%ad%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43712\/","title":{"rendered":"CentOS 7.2 \u4e0b Hadoop 2.7.2 \u96c6\u7fa4\u642d\u5efa"},"content":{"rendered":"<h1 id=\"centos-7-2-%e4%b8%8b-hadoop-2-7-2-%e9%9b%86%e7%be%a4%e6%90%ad%e5%bb%ba-TuvqzDLHsQ\">CentOS 7.2 \u4e0b Hadoop 2.7.2 \u96c6\u7fa4\u642d\u5efa<\/h1>\n<p>\u5728\u5927\u6578\u64da\u6642\u4ee3\uff0cHadoop \u4f5c\u70ba\u4e00\u500b\u958b\u6e90\u7684\u5206\u4f48\u5f0f\u8a08\u7b97\u6846\u67b6\uff0c\u5df2\u7d93\u6210\u70ba\u6578\u64da\u8655\u7406\u548c\u5b58\u5132\u7684\u4e3b\u6d41\u9078\u64c7\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7.2 \u4e0a\u642d\u5efa Hadoop 2.7.2 \u96c6\u7fa4\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u4e0a\u624b\u4e26\u7406\u89e3\u5176\u57fa\u672c\u914d\u7f6e\u548c\u904b\u884c\u539f\u7406\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-TuvqzDLHsQ\">\u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u78ba\u4fdd\u4f60\u7684\u7cfb\u7d71\u6eff\u8db3\u4ee5\u4e0b\u8981\u6c42\uff1a<\/p>\n<ul>\n<li>\u64cd\u4f5c\u7cfb\u7d71\uff1aCentOS 7.2<\/li>\n<li>Java\uff1aHadoop \u9700\u8981 Java \u74b0\u5883\uff0c\u5efa\u8b70\u4f7f\u7528 JDK 1.8 \u7248\u672c\u3002<\/li>\n<li>\u7db2\u7d61\uff1a\u78ba\u4fdd\u6240\u6709\u7bc0\u9ede\u4e4b\u9593\u53ef\u4ee5\u4e92\u76f8\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%89%e8%a3%9d-java-TuvqzDLHsQ\">\u5b89\u88dd Java<\/h2>\n<p>\u9996\u5148\uff0c\u5b89\u88dd Java \u74b0\u5883\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd OpenJDK\uff1a<\/p>\n<pre><code>sudo yum install java-1.8.0-openjdk-devel<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 Java \u662f\u5426\u5b89\u88dd\u6210\u529f\uff1a<\/p>\n<pre><code>java -version<\/code><\/pre>\n<h2 id=\"%e4%b8%8b%e8%bc%89-hadoop-TuvqzDLHsQ\">\u4e0b\u8f09 Hadoop<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u4e0b\u8f09 Hadoop 2.7.2 \u7684\u5b89\u88dd\u5305\u3002\u53ef\u4ee5\u4f7f\u7528 wget \u547d\u4ee4\uff1a<\/p>\n<pre><code>wget http:\/\/apache.mirrors.spacedump.net\/hadoop\/common\/hadoop-2.7.2\/hadoop-2.7.2.tar.gz<\/code><\/pre>\n<p>\u4e0b\u8f09\u5b8c\u6210\u5f8c\uff0c\u89e3\u58d3\u7e2e\u5b89\u88dd\u5305\uff1a<\/p>\n<pre><code>tar -xzvf hadoop-2.7.2.tar.gz<\/code><\/pre>\n<p>\u7136\u5f8c\u5c07\u89e3\u58d3\u5f8c\u7684\u6587\u4ef6\u593e\u79fb\u52d5\u5230 \/usr\/local \u76ee\u9304\u4e0b\uff1a<\/p>\n<pre><code>sudo mv hadoop-2.7.2 \/usr\/local\/hadoop<\/code><\/pre>\n<h2 id=\"%e9%85%8d%e7%bd%ae%e7%92%b0%e5%a2%83%e8%ae%8a%e9%87%8f-TuvqzDLHsQ\">\u914d\u7f6e\u74b0\u5883\u8b8a\u91cf<\/h2>\n<p>\u70ba\u4e86\u65b9\u4fbf\u4f7f\u7528 Hadoop\uff0c\u9700\u914d\u7f6e\u74b0\u5883\u8b8a\u91cf\u3002\u5728 ~\/.bashrc \u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5167\u5bb9\uff1a<\/p>\n<pre><code>export HADOOP_HOME=\/usr\/local\/hadoop\nexport PATH=$PATH:$HADOOP_HOME\/bin\nexport JAVA_HOME=\/usr\/lib\/jvm\/java-1.8.0-openjdk<\/code><\/pre>\n<p>\u4fdd\u5b58\u5f8c\uff0c\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u914d\u7f6e\u751f\u6548\uff1a<\/p>\n<pre><code>source ~\/.bashrc<\/code><\/pre>\n<h2 id=\"%e9%85%8d%e7%bd%ae-hadoop-TuvqzDLHsQ\">\u914d\u7f6e Hadoop<\/h2>\n<p>\u5728 Hadoop \u7684\u914d\u7f6e\u76ee\u9304\u4e2d\uff0c\u6709\u5e7e\u500b\u91cd\u8981\u7684\u914d\u7f6e\u6587\u4ef6\u9700\u8981\u4fee\u6539\uff1a<\/p>\n<h3 id=\"core-site-xml-TuvqzDLHsQ\">core-site.xml<\/h3>\n<p>\u7de8\u8f2f <code>$HADOOP_HOME\/etc\/hadoop\/core-site.xml<\/code> \u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<pre><code>&lt;configuration&gt;\n    &lt;property&gt;\n        &lt;name&gt;fs.defaultFS&lt;\/name&gt;\n        &lt;value&gt;hdfs:\/\/localhost:9000&lt;\/value&gt;\n    &lt;\/property&gt;\n&lt;\/configuration&gt;<\/code><\/pre>\n<h3 id=\"hdfs-site-xml-TuvqzDLHsQ\">hdfs-site.xml<\/h3>\n<p>\u7de8\u8f2f <code>$HADOOP_HOME\/etc\/hadoop\/hdfs-site.xml<\/code> \u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<pre><code>&lt;configuration&gt;\n    &lt;property&gt;\n        &lt;name&gt;dfs.replication&lt;\/name&gt;\n        &lt;value&gt;1&lt;\/value&gt;\n    &lt;\/property&gt;\n&lt;\/configuration&gt;<\/code><\/pre>\n<h3 id=\"mapred-site-xml-TuvqzDLHsQ\">mapred-site.xml<\/h3>\n<p>\u7de8\u8f2f <code>$HADOOP_HOME\/etc\/hadoop\/mapred-site.xml<\/code> \u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<pre><code>&lt;configuration&gt;\n    &lt;property&gt;\n        &lt;name&gt;mapreduce.framework.name&lt;\/name&gt;\n        &lt;value&gt;yarn&lt;\/value&gt;\n    &lt;\/property&gt;\n&lt;\/configuration&gt;<\/code><\/pre>\n<h3 id=\"yarn-site-xml-TuvqzDLHsQ\">yarn-site.xml<\/h3>\n<p>\u7de8\u8f2f <code>$HADOOP_HOME\/etc\/hadoop\/yarn-site.xml<\/code> \u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<pre><code>&lt;configuration&gt;\n    &lt;property&gt;\n        &lt;name&gt;yarn.nodemanager.aux-services&lt;\/name&gt;\n        &lt;value&gt;mapreduce_shuffle&lt;\/value&gt;\n    &lt;\/property&gt;\n&lt;\/configuration&gt;<\/code><\/pre>\n<h2 id=\"%e6%a0%bc%e5%bc%8f%e5%8c%96-hdfs-TuvqzDLHsQ\">\u683c\u5f0f\u5316 HDFS<\/h2>\n<p>\u5728\u555f\u52d5 Hadoop \u4e4b\u524d\uff0c\u9700\u8981\u683c\u5f0f\u5316 HDFS\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u683c\u5f0f\u5316\uff1a<\/p>\n<pre><code>hdfs namenode -format<\/code><\/pre>\n<h2 id=\"%e5%95%9f%e5%8b%95-hadoop-%e9%9b%86%e7%be%a4-TuvqzDLHsQ\">\u555f\u52d5 Hadoop \u96c6\u7fa4<\/h2>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5 Hadoop \u7684\u5404\u500b\u7d44\u4ef6\uff1a<\/p>\n<pre><code>start-dfs.sh\nstart-yarn.sh<\/code><\/pre>\n<h2 id=\"%e9%a9%97%e8%ad%89%e5%ae%89%e8%a3%9d-TuvqzDLHsQ\">\u9a57\u8b49\u5b89\u88dd<\/h2>\n<p>\u53ef\u4ee5\u901a\u904e\u8a2a\u554f <a href=\"http:\/\/localhost:9870\" rel=\"nofollow noopener\" target=\"_blank\">http:\/\/localhost:9870<\/a> \u4f86\u6aa2\u67e5 HDFS \u662f\u5426\u6b63\u5e38\u904b\u884c\uff0c\u4e26\u901a\u904e <a href=\"http:\/\/localhost:8088\" rel=\"nofollow noopener\" target=\"_blank\">http:\/\/localhost:8088<\/a> \u6aa2\u67e5 YARN \u662f\u5426\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TuvqzDLHsQ\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 CentOS 7.2 \u4e0a\u642d\u5efa Hadoop 2.7.2 \u96c6\u7fa4\u7684\u57fa\u672c\u6b65\u9a5f\u3002\u901a\u904e\u9019\u4e9b\u6b65\u9a5f\uff0c\u7528\u6236\u53ef\u4ee5\u5feb\u901f\u5efa\u7acb\u4e00\u500b\u5206\u4f48\u5f0f\u8a08\u7b97\u74b0\u5883\uff0c\u70ba\u5927\u6578\u64da\u8655\u7406\u63d0\u4f9b\u652f\u6301\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u4f7f\u7528\u6211\u5011\u7684\u670d\u52d9\uff0c\u8b93\u60a8\u7684\u6578\u64da\u8655\u7406\u66f4\u52a0\u9806\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to set up a Hadoop 2.7.2 cluster on CentOS 7.2 with step-by-step instructions for efficient big data processing.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-43712","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=43712"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43712\/revisions"}],"predecessor-version":[{"id":43713,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43712\/revisions\/43713"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43712"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}