{"id":45264,"date":"2024-10-06T21:38:16","date_gmt":"2024-10-06T13:38:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45264\/"},"modified":"2024-10-06T21:38:16","modified_gmt":"2024-10-06T13:38:16","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-centos-%e4%b8%8a%e5%ae%89%e8%a3%9d-apache-hadoop","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45264\/","title":{"rendered":"\u5982\u4f55\u5728 CentOS \u4e0a\u5b89\u88dd Apache Hadoop"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-centos-%e4%b8%8a%e5%ae%89%e8%a3%9d-apache-hadoop-JibXelNktC\">\u5982\u4f55\u5728 CentOS \u4e0a\u5b89\u88dd Apache Hadoop<\/h1>\n<p>Apache Hadoop \u662f\u4e00\u500b\u958b\u6e90\u7684\u5206\u6563\u5f0f\u8a08\u7b97\u6846\u67b6\uff0c\u4e3b\u8981\u7528\u65bc\u8655\u7406\u5927\u6578\u64da\u3002\u5b83\u80fd\u5920\u5728\u591a\u53f0\u4f3a\u670d\u5668\u4e0a\u9032\u884c\u6578\u64da\u5b58\u5132\u548c\u8655\u7406\uff0c\u4e26\u4e14\u5177\u6709\u9ad8\u53ef\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS \u7cfb\u7d71\u4e0a\u5b89\u88dd Apache Hadoop\uff0c\u5e6b\u52a9\u60a8\u5feb\u901f\u4e0a\u624b\u9019\u500b\u5f37\u5927\u7684\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e5%89%8d%e7%bd%ae%e6%a2%9d%e4%bb%b6-JibXelNktC\">\u524d\u7f6e\u689d\u4ef6<\/h2>\n<p>\u5728\u958b\u59cb\u5b89\u88dd\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u60a8\u7684 CentOS \u7cfb\u7d71\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u8edf\u4ef6\uff1a<\/p>\n<ul>\n<li>Java Development Kit (JDK) 1.8 \u6216\u66f4\u9ad8\u7248\u672c<\/li>\n<li>SSH \u670d\u52d9<\/li>\n<li>wget \u6216 curl<\/li>\n<\/ul>\n<h2 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e5%ae%89%e8%a3%9d-java-JibXelNktC\">\u6b65\u9a5f 1\uff1a\u5b89\u88dd Java<\/h2>\n<p>Hadoop \u9700\u8981 Java \u74b0\u5883\u4f86\u904b\u884c\u3002\u60a8\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\u60a8\u53ef\u4ee5\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=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e4%b8%8b%e8%bc%89-hadoop-JibXelNktC\">\u6b65\u9a5f 2\uff1a\u4e0b\u8f09 Hadoop<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u4e0b\u8f09 Hadoop \u7684\u6700\u65b0\u7248\u672c\u3002\u60a8\u53ef\u4ee5\u8a2a\u554f Apache Hadoop \u7684\u5b98\u65b9\u7db2\u7ad9\uff0c\u627e\u5230\u6700\u65b0\u7248\u672c\u7684\u4e0b\u8f09\u93c8\u63a5\u3002\u4f7f\u7528 wget \u547d\u4ee4\u4e0b\u8f09\uff1a<\/p>\n<pre><code>wget https:\/\/downloads.apache.org\/hadoop\/common\/hadoop-x.y.z\/hadoop-x.y.z.tar.gz<\/code><\/pre>\n<p>\u8acb\u5c07\u4e0a\u9762\u7684 x.y.z \u66ff\u63db\u70ba\u60a8\u8981\u4e0b\u8f09\u7684 Hadoop \u7248\u672c\u865f\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e8%a7%a3%e5%a3%93-hadoop-JibXelNktC\">\u6b65\u9a5f 3\uff1a\u89e3\u58d3 Hadoop<\/h2>\n<p>\u4e0b\u8f09\u5b8c\u6210\u5f8c\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u89e3\u58d3\u7e2e Hadoop\uff1a<\/p>\n<pre><code>tar -xzvf hadoop-x.y.z.tar.gz<\/code><\/pre>\n<p>\u89e3\u58d3\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5c07 Hadoop \u79fb\u52d5\u5230 \/usr\/local \u76ee\u9304\u4e0b\uff1a<\/p>\n<pre><code>sudo mv hadoop-x.y.z \/usr\/local\/hadoop<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f-4%ef%bc%9a%e9%85%8d%e7%bd%ae%e7%92%b0%e5%a2%83%e8%ae%8a%e9%87%8f-JibXelNktC\">\u6b65\u9a5f 4\uff1a\u914d\u7f6e\u74b0\u5883\u8b8a\u91cf<\/h2>\n<p>\u70ba\u4e86\u65b9\u4fbf\u4f7f\u7528\uff0c\u60a8\u9700\u8981\u914d\u7f6e Hadoop \u7684\u74b0\u5883\u8b8a\u91cf\u3002\u7de8\u8f2f ~\/.bashrc \u6587\u4ef6\uff1a<\/p>\n<pre><code>nano ~\/.bashrc<\/code><\/pre>\n<p>\u5728\u6587\u4ef6\u672b\u5c3e\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\u4e26\u9000\u51fa\u7de8\u8f2f\u5668\uff0c\u7136\u5f8c\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u8b8a\u66f4\u751f\u6548\uff1a<\/p>\n<pre><code>source ~\/.bashrc<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f-5%ef%bc%9a%e9%85%8d%e7%bd%ae-hadoop-JibXelNktC\">\u6b65\u9a5f 5\uff1a\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\u7de8\u8f2f\u3002\u9996\u5148\uff0c\u9032\u5165 Hadoop \u7684\u914d\u7f6e\u76ee\u9304\uff1a<\/p>\n<pre><code>cd \/usr\/local\/hadoop\/etc\/hadoop<\/code><\/pre>\n<p>\u7de8\u8f2f core-site.xml \u6587\u4ef6\uff1a<\/p>\n<pre><code>nano core-site.xml<\/code><\/pre>\n<p>\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<p>\u63a5\u4e0b\u4f86\uff0c\u7de8\u8f2f hdfs-site.xml \u6587\u4ef6\uff1a<\/p>\n<pre><code>nano hdfs-site.xml<\/code><\/pre>\n<p>\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<h2 id=\"%e6%ad%a5%e9%a9%9f-6%ef%bc%9a%e6%a0%bc%e5%bc%8f%e5%8c%96-hdfs-JibXelNktC\">\u6b65\u9a5f 6\uff1a\u683c\u5f0f\u5316 HDFS<\/h2>\n<p>\u5728\u555f\u52d5 Hadoop \u4e4b\u524d\uff0c\u60a8\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=\"%e6%ad%a5%e9%a9%9f-7%ef%bc%9a%e5%95%9f%e5%8b%95-hadoop-JibXelNktC\">\u6b65\u9a5f 7\uff1a\u555f\u52d5 Hadoop<\/h2>\n<p>\u73fe\u5728\uff0c\u60a8\u53ef\u4ee5\u555f\u52d5 Hadoop \u7684\u5404\u500b\u7d44\u4ef6\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5 NameNode \u548c DataNode\uff1a<\/p>\n<pre><code>start-dfs.sh<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 Hadoop \u7684\u904b\u884c\u72c0\u614b\uff1a<\/p>\n<pre><code>jps<\/code><\/pre>\n<p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u61c9\u8a72\u80fd\u770b\u5230 NameNode \u548c DataNode \u7684\u9032\u7a0b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JibXelNktC\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 CentOS \u4e0a\u5b89\u88dd Apache Hadoop\uff0c\u5305\u62ec\u5b89\u88dd Java\u3001\u4e0b\u8f09\u548c\u914d\u7f6e Hadoop \u4ee5\u53ca\u555f\u52d5 Hadoop \u7684\u6b65\u9a5f\u3002\u9019\u4e9b\u6b65\u9a5f\u5c07\u5e6b\u52a9\u60a8\u5feb\u901f\u642d\u5efa\u4e00\u500b Hadoop \u74b0\u5883\uff0c\u9032\u884c\u5927\u6578\u64da\u8655\u7406\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u904b\u884c\u74b0\u5883\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684 Hadoop \u96c6\u7fa4\uff0c\u4eab\u53d7\u66f4\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u66f4\u5feb\u7684\u6578\u64da\u8655\u7406\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS \u4e0a\u5b89\u88dd Apache Hadoop\uff0c\u6b65\u9a5f\u7c21\u55ae\u660e\u77ad\uff0c\u52a9\u4f60\u5feb\u901f\u642d\u5efa\u5927\u6578\u64da\u74b0\u5883\u3002<\/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-45264","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45264","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=45264"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45264\/revisions"}],"predecessor-version":[{"id":45265,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45264\/revisions\/45265"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45264"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45264"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}