{"id":158441,"date":"2024-11-03T01:53:26","date_gmt":"2024-11-02T17:53:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/158441\/"},"modified":"2024-11-03T01:53:28","modified_gmt":"2024-11-02T17:53:28","slug":"%e7%b5%a6-hadoop-%e6%96%b0%e6%89%8b%e7%9a%84%e4%b8%80%e5%b0%81%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/158441\/","title":{"rendered":"\u7d66 Hadoop \u65b0\u624b\u7684\u4e00\u5c01\u4fe1"},"content":{"rendered":"<h1 id=\"%e7%b5%a6-hadoop-%e6%96%b0%e6%89%8b%e7%9a%84%e4%b8%80%e5%b0%81%e4%bf%a1-vWsBXFsjYm\">\u7d66 Hadoop \u65b0\u624b\u7684\u4e00\u5c01\u4fe1<\/h1>\n<p>\u89aa\u611b\u7684 Hadoop \u65b0\u624b\uff0c<\/p>\n<p>\u6b61\u8fce\u60a8\u8e0f\u5165\u5927\u6578\u64da\u7684\u4e16\u754c\uff01Hadoop \u662f\u4e00\u500b\u5f37\u5927\u7684\u958b\u6e90\u6846\u67b6\uff0c\u5c08\u70ba\u8655\u7406\u548c\u5132\u5b58\u5927\u91cf\u6578\u64da\u800c\u8a2d\u8a08\u3002\u7121\u8ad6\u60a8\u662f\u6578\u64da\u79d1\u5b78\u5bb6\u3001\u6578\u64da\u5de5\u7a0b\u5e2b\uff0c\u9084\u662f\u5c0d\u5927\u6578\u64da\u6280\u8853\u611f\u8208\u8da3\u7684\u958b\u767c\u8005\uff0cHadoop \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7121\u9650\u7684\u53ef\u80fd\u6027\u3002\u5728\u9019\u5c01\u4fe1\u4e2d\uff0c\u6211\u5c07\u70ba\u60a8\u4ecb\u7d39 Hadoop \u7684\u57fa\u672c\u6982\u5ff5\u3001\u67b6\u69cb\u4ee5\u53ca\u5982\u4f55\u958b\u59cb\u4f7f\u7528\u5b83\u3002<\/p>\n<h2 id=\"hadoop-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-vWsBXFsjYm\">Hadoop \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Hadoop \u662f\u4e00\u500b\u7531 Apache \u57fa\u91d1\u6703\u958b\u767c\u7684\u958b\u6e90\u6846\u67b6\uff0c\u4e3b\u8981\u7528\u65bc\u5206\u4f48\u5f0f\u5b58\u5132\u548c\u8655\u7406\u5927\u6578\u64da\u3002\u5b83\u7684\u6838\u5fc3\u7d44\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>Hadoop Distributed File System (HDFS)<\/strong>\uff1a\u4e00\u500b\u5206\u4f48\u5f0f\u6587\u4ef6\u7cfb\u7d71\uff0c\u80fd\u5920\u5728\u591a\u53f0\u4f3a\u670d\u5668\u4e0a\u5132\u5b58\u6578\u64da\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u9ad8\u53ef\u7528\u6027\u548c\u5bb9\u932f\u6027\u3002<\/li>\n<li><strong>MapReduce<\/strong>\uff1a\u4e00\u7a2e\u7de8\u7a0b\u6a21\u578b\uff0c\u7528\u65bc\u8655\u7406\u548c\u751f\u6210\u5927\u6578\u64da\u96c6\u3002\u5b83\u5c07\u6578\u64da\u8655\u7406\u5206\u70ba\u5169\u500b\u968e\u6bb5\uff1aMap \u968e\u6bb5\u548c Reduce \u968e\u6bb5\u3002<\/li>\n<li><strong>YARN (Yet Another Resource Negotiator)<\/strong>\uff1a\u4e00\u500b\u8cc7\u6e90\u7ba1\u7406\u5c64\uff0c\u8ca0\u8cac\u7ba1\u7406\u548c\u8abf\u5ea6 Hadoop \u96c6\u7fa4\u4e2d\u7684\u8cc7\u6e90\u3002<\/li>\n<li><strong>Hadoop Common<\/strong>\uff1a\u63d0\u4f9b Hadoop \u6240\u9700\u7684\u901a\u7528\u5de5\u5177\u548c\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"hadoop-%e7%9a%84%e6%9e%b6%e6%a7%8b-vWsBXFsjYm\">Hadoop \u7684\u67b6\u69cb<\/h2>\n<p>Hadoop \u7684\u67b6\u69cb\u662f\u57fa\u65bc\u5206\u4f48\u5f0f\u8a08\u7b97\u7684\uff0c\u9019\u610f\u5473\u8457\u5b83\u53ef\u4ee5\u5728\u591a\u53f0\u4f3a\u670d\u5668\u4e0a\u540c\u6642\u904b\u884c\u3002\u9019\u7a2e\u67b6\u69cb\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5b83\u80fd\u5920\u8655\u7406\u5927\u91cf\u6578\u64da\uff0c\u4e26\u4e14\u5177\u5099\u9ad8\u53ef\u7528\u6027\u3002\u4ee5\u4e0b\u662f Hadoop \u7684\u57fa\u672c\u67b6\u69cb\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>Master \u8282\u70b9<\/strong>\uff1a\u8ca0\u8cac\u7ba1\u7406\u96c6\u7fa4\u7684\u8cc7\u6e90\u548c\u4efb\u52d9\u8abf\u5ea6\u3002\u901a\u5e38\u5305\u62ec NameNode \u548c ResourceManager\u3002<\/li>\n<li><strong>Worker \u8282\u70b9<\/strong>\uff1a\u8ca0\u8cac\u5be6\u969b\u7684\u6578\u64da\u5b58\u5132\u548c\u8655\u7406\u3002\u901a\u5e38\u5305\u62ec DataNode \u548c NodeManager\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%96%8b%e5%a7%8b%e4%bd%bf%e7%94%a8-hadoop-vWsBXFsjYm\">\u5982\u4f55\u958b\u59cb\u4f7f\u7528 Hadoop<\/h2>\n<p>\u5c0d\u65bc\u65b0\u624b\u4f86\u8aaa\uff0c\u958b\u59cb\u4f7f\u7528 Hadoop \u53ef\u80fd\u6703\u611f\u5230\u6709\u4e9b\u56f0\u96e3\uff0c\u4f46\u53ea\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff0c\u60a8\u5c31\u80fd\u5920\u5feb\u901f\u4e0a\u624b\uff1a<\/p>\n<ol>\n<li><strong>\u5b89\u88dd Hadoop<\/strong>\uff1a\u60a8\u53ef\u4ee5\u5728\u672c\u5730\u6a5f\u5668\u6216\u4f3a\u670d\u5668\u4e0a\u5b89\u88dd Hadoop\u3002Apache \u5b98\u65b9\u7db2\u7ad9\u63d0\u4f9b\u4e86\u8a73\u7d30\u7684\u5b89\u88dd\u6307\u5357\u3002<\/li>\n<li><strong>\u914d\u7f6e\u74b0\u5883<\/strong>\uff1a\u6839\u64da\u60a8\u7684\u9700\u6c42\u914d\u7f6e Hadoop \u7684\u74b0\u5883\u8b8a\u91cf\u548c\u914d\u7f6e\u6587\u4ef6\uff0c\u4f8b\u5982 core-site.xml\u3001hdfs-site.xml \u548c mapred-site.xml\u3002<\/li>\n<li><strong>\u904b\u884c\u793a\u4f8b\u7a0b\u5e8f<\/strong>\uff1aHadoop \u9644\u5e36\u4e86\u4e00\u4e9b\u793a\u4f8b\u7a0b\u5e8f\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u904b\u884c\u9019\u4e9b\u7a0b\u5e8f\u4f86\u719f\u6089 Hadoop \u7684\u57fa\u672c\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u904b\u884c WordCount \u7bc4\u4f8b\u4f86\u8a08\u7b97\u6587\u672c\u6587\u4ef6\u4e2d\u6bcf\u500b\u55ae\u8a5e\u7684\u51fa\u73fe\u6b21\u6578\u3002<\/li>\n<pre><code>hadoop jar hadoop-mapreduce-examples.jar wordcount input.txt output<\/code><\/pre>\n<li><strong>\u5b78\u7fd2\u66f4\u591a<\/strong>\uff1a\u53c3\u52a0\u5728\u7dda\u8ab2\u7a0b\u3001\u95b1\u8b80\u66f8\u7c4d\u6216\u53c3\u52a0\u793e\u5340\u8ad6\u58c7\uff0c\u9019\u4e9b\u90fd\u662f\u5b78\u7fd2 Hadoop \u7684\u597d\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%b5%90%e8%aa%9e-vWsBXFsjYm\">\u7d50\u8a9e<\/h2>\n<p>Hadoop \u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u60a8\u8655\u7406\u548c\u5206\u6790\u5927\u6578\u64da\u3002\u96d6\u7136\u5b78\u7fd2\u66f2\u7dda\u53ef\u80fd\u6703\u6709\u4e9b\u9661\u5ced\uff0c\u4f46\u53ea\u8981\u60a8\u6301\u4e4b\u4ee5\u6046\uff0c\u6700\u7d42\u4e00\u5b9a\u80fd\u5920\u638c\u63e1\u9019\u9805\u6280\u8853\u3002\u5e0c\u671b\u9019\u5c01\u4fe1\u80fd\u5920\u5e6b\u52a9\u60a8\u5728 Hadoop \u7684\u65c5\u7a0b\u4e2d\u9081\u51fa\u7b2c\u4e00\u6b65\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u4f3a\u670d\u5668\u4f86\u904b\u884c\u60a8\u7684 Hadoop \u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u70ba\u60a8\u7684\u5927\u6578\u64da\u9805\u76ee\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u5c01\u81f4Hadoop\u65b0\u624b\u7684\u4fe1\uff0c\u63d0\u4f9b\u5165\u95e8\u6307\u5357\u3001\u5b9e\u7528\u6280\u5de7\u548c\u8d44\u6e90\uff0c\u52a9\u4f60\u5feb\u901f\u638c\u63e1\u5927\u6570\u636e\u5904\u7406\u7684\u6838\u5fc3\u6280\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-158441","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158441","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=158441"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158441\/revisions"}],"predecessor-version":[{"id":158442,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158441\/revisions\/158442"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=158441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=158441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=158441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}