{"id":1324,"date":"2015-12-02T10:37:51","date_gmt":"2015-12-02T02:37:51","guid":{"rendered":"http:\/\/www.strongd.net\/?p=1324"},"modified":"2015-12-02T10:37:51","modified_gmt":"2015-12-02T02:37:51","slug":"hadoop%e5%bf%ab%e9%80%9f%e5%85%a5%e9%97%a8-2","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=1324","title":{"rendered":"Hadoop\u5feb\u901f\u5165\u95e8"},"content":{"rendered":"<h2 class=\"h3\">\u76ee\u7684<\/h2>\n<div class=\"section\">\n<p>\u8fd9\u7bc7\u6587\u6863\u7684\u76ee\u7684\u662f\u5e2e\u52a9\u4f60\u5feb\u901f\u5b8c\u6210\u5355\u673a\u4e0a\u7684Hadoop\u5b89\u88c5\u4e0e\u4f7f\u7528\u4ee5\u4fbf\u4f60\u5bf9<a href=\"http:\/\/hadoop.apache.org\/docs\/r1.0.4\/cn\/hdfs_design.html\">Hadoop\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf(<acronym title=\"Hadoop Distributed File System\">HDFS<\/acronym>)<\/a>\u548cMap-Reduce\u6846\u67b6\u6709\u6240\u4f53\u4f1a\uff0c\u6bd4\u5982\u5728HDFS\u4e0a\u8fd0\u884c\u793a\u4f8b\u7a0b\u5e8f\u6216\u7b80\u5355\u4f5c\u4e1a\u7b49\u3002<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"h3\">\u5148\u51b3\u6761\u4ef6<\/h2>\n<div class=\"section\">\n<p>&nbsp;<\/p>\n<h3 class=\"h4\">\u652f\u6301\u5e73\u53f0<\/h3>\n<ul>\n<li>GNU\/Linux\u662f\u4ea7\u54c1\u5f00\u53d1\u548c\u8fd0\u884c\u7684\u5e73\u53f0\u3002 Hadoop\u5df2\u5728\u67092000\u4e2a\u8282\u70b9\u7684GNU\/Linux\u4e3b\u673a\u7ec4\u6210\u7684\u96c6\u7fa4\u7cfb\u7edf\u4e0a\u5f97\u5230\u9a8c\u8bc1\u3002<\/li>\n<li>Win32\u5e73\u53f0\u662f\u4f5c\u4e3a<em>\u5f00\u53d1\u5e73\u53f0<\/em>\u652f\u6301\u7684\u3002\u7531\u4e8e\u5206\u5e03\u5f0f\u64cd\u4f5c\u5c1a\u672a\u5728Win32\u5e73\u53f0\u4e0a\u5145\u5206\u6d4b\u8bd5\uff0c\u6240\u4ee5\u8fd8\u4e0d\u4f5c\u4e3a\u4e00\u4e2a<em>\u751f\u4ea7\u5e73\u53f0<\/em>\u88ab\u652f\u6301\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3 class=\"h4\">\u6240\u9700\u8f6f\u4ef6<\/h3>\n<p>Linux\u548cWindows\u6240\u9700\u8f6f\u4ef6\u5305\u62ec:<\/p>\n<ol>\n<li>Java<sup>TM<\/sup>1.5.x\uff0c\u5fc5\u987b\u5b89\u88c5\uff0c\u5efa\u8bae\u9009\u62e9Sun\u516c\u53f8\u53d1\u884c\u7684Java\u7248\u672c\u3002<\/li>\n<li><strong>ssh<\/strong> \u5fc5\u987b\u5b89\u88c5\u5e76\u4e14\u4fdd\u8bc1 <strong>sshd<\/strong>\u4e00\u76f4\u8fd0\u884c\uff0c\u4ee5\u4fbf\u7528Hadoop \u811a\u672c\u7ba1\u7406\u8fdc\u7aefHadoop\u5b88\u62a4\u8fdb\u7a0b\u3002<\/li>\n<\/ol>\n<p>Windows\u4e0b\u7684\u9644\u52a0\u8f6f\u4ef6\u9700\u6c42<\/p>\n<ol>\n<li><a href=\"http:\/\/www.cygwin.com\/\">Cygwin<\/a> &#8211; \u63d0\u4f9b\u4e0a\u8ff0\u8f6f\u4ef6\u4e4b\u5916\u7684shell\u652f\u6301\u3002<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h3 class=\"h4\">\u5b89\u88c5\u8f6f\u4ef6<\/h3>\n<p>\u5982\u679c\u4f60\u7684\u96c6\u7fa4\u5c1a\u672a\u5b89\u88c5\u6240\u9700\u8f6f\u4ef6\uff0c\u4f60\u5f97\u9996\u5148\u5b89\u88c5\u5b83\u4eec\u3002<\/p>\n<p>\u4ee5Ubuntu Linux\u4e3a\u4f8b:<\/p>\n<p><span class=\"codefrag\">$ sudo apt-get install ssh<\/span><br \/>\n<span class=\"codefrag\">$ sudo apt-get install rsync<\/span><\/p>\n<p>\u5728Windows\u5e73\u53f0\u4e0a\uff0c\u5982\u679c\u5b89\u88c5cygwin\u65f6\u672a\u5b89\u88c5\u5168\u90e8\u6240\u9700\u8f6f\u4ef6\uff0c\u5219\u9700\u542f\u52a8cyqwin\u5b89\u88c5\u7ba1\u7406\u5668\u5b89\u88c5\u5982\u4e0b\u8f6f\u4ef6\u5305\uff1a<\/p>\n<ul>\n<li>openssh &#8211; <em>Net<\/em> \u7c7b<\/li>\n<\/ul>\n<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"h3\">\u4e0b\u8f7d<\/h2>\n<div class=\"section\">\n<p>\u4e3a\u4e86\u83b7\u53d6Hadoop\u7684\u53d1\u884c\u7248\uff0c\u4eceApache\u7684\u67d0\u4e2a\u955c\u50cf\u670d\u52a1\u5668\u4e0a\u4e0b\u8f7d\u6700\u8fd1\u7684 <a href=\"http:\/\/hadoop.apache.org\/core\/releases.html\">\u7a33\u5b9a\u53d1\u884c\u7248<\/a>\u3002<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"h3\">\u8fd0\u884cHadoop\u96c6\u7fa4\u7684\u51c6\u5907\u5de5\u4f5c<\/h2>\n<div class=\"section\">\n<p>\u89e3\u538b\u6240\u4e0b\u8f7d\u7684Hadoop\u53d1\u884c\u7248\u3002\u7f16\u8f91 <span class=\"codefrag\">conf\/hadoop-env.sh<\/span>\u6587\u4ef6\uff0c\u81f3\u5c11\u9700\u8981\u5c06<span class=\"codefrag\">JAVA_HOME<\/span>\u8bbe\u7f6e\u4e3aJava\u5b89\u88c5\u6839\u8def\u5f84\u3002<\/p>\n<p>\u5c1d\u8bd5\u5982\u4e0b\u547d\u4ee4\uff1a<br \/>\n<span class=\"codefrag\">$ bin\/hadoop<\/span><br \/>\n\u5c06\u4f1a\u663e\u793a<strong>hadoop<\/strong> \u811a\u672c\u7684\u4f7f\u7528\u6587\u6863\u3002<\/p>\n<p>\u73b0\u5728\u4f60\u53ef\u4ee5\u7528\u4ee5\u4e0b\u4e09\u79cd\u652f\u6301\u7684\u6a21\u5f0f\u4e2d\u7684\u4e00\u79cd\u542f\u52a8Hadoop\u96c6\u7fa4\uff1a<\/p>\n<ul>\n<li>\u5355\u673a\u6a21\u5f0f<\/li>\n<li>\u4f2a\u5206\u5e03\u5f0f\u6a21\u5f0f<\/li>\n<li>\u5b8c\u5168\u5206\u5e03\u5f0f\u6a21\u5f0f<\/li>\n<\/ul>\n<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"h3\">\u5355\u673a\u6a21\u5f0f\u7684\u64cd\u4f5c\u65b9\u6cd5<\/h2>\n<div class=\"section\">\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cHadoop\u88ab\u914d\u7f6e\u6210\u4ee5\u975e\u5206\u5e03\u5f0f\u6a21\u5f0f\u8fd0\u884c\u7684\u4e00\u4e2a\u72ec\u7acbJava\u8fdb\u7a0b\u3002\u8fd9\u5bf9\u8c03\u8bd5\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n<p>\u4e0b\u9762\u7684\u5b9e\u4f8b\u5c06\u5df2\u89e3\u538b\u7684 <span class=\"codefrag\">conf<\/span> \u76ee\u5f55\u62f7\u8d1d\u4f5c\u4e3a\u8f93\u5165\uff0c\u67e5\u627e\u5e76\u663e\u793a\u5339\u914d\u7ed9\u5b9a\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u6761\u76ee\u3002\u8f93\u51fa\u5199\u5165\u5230\u6307\u5b9a\u7684<span class=\"codefrag\">output<\/span>\u76ee\u5f55\u3002<br \/>\n<span class=\"codefrag\">$ mkdir input<\/span><br \/>\n<span class=\"codefrag\">$ cp conf\/*.xml input<\/span><br \/>\n<span class=\"codefrag\">$ bin\/hadoop jar hadoop-*-examples.jar grep input output &#8216;dfs[a-z.]+&#8217; <\/span><br \/>\n<span class=\"codefrag\">$ cat output\/*<\/span><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"h3\">\u4f2a\u5206\u5e03\u5f0f\u6a21\u5f0f\u7684\u64cd\u4f5c\u65b9\u6cd5<\/h2>\n<div class=\"section\">\n<p>Hadoop\u53ef\u4ee5\u5728\u5355\u8282\u70b9\u4e0a\u4ee5\u6240\u8c13\u7684\u4f2a\u5206\u5e03\u5f0f\u6a21\u5f0f\u8fd0\u884c\uff0c\u6b64\u65f6\u6bcf\u4e00\u4e2aHadoop\u5b88\u62a4\u8fdb\u7a0b\u90fd\u4f5c\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684Java\u8fdb\u7a0b\u8fd0\u884c\u3002<\/p>\n<h3 class=\"h4\">\u914d\u7f6e<\/h3>\n<p>\u4f7f\u7528\u5982\u4e0b\u7684 <span class=\"codefrag\">conf\/hadoop-site.xml<\/span>:<\/p>\n<table class=\"ForrestTable\" cellspacing=\"1\" cellpadding=\"4\">\n<tbody>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">&lt;configuration&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0&lt;property&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0\u00a0\u00a0&lt;name&gt;fs.default.name&lt;\/name&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0\u00a0\u00a0&lt;value&gt;localhost:9000&lt;\/value&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0&lt;\/property&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0&lt;property&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0\u00a0\u00a0&lt;name&gt;mapred.job.tracker&lt;\/name&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0\u00a0\u00a0&lt;value&gt;localhost:9001&lt;\/value&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0&lt;\/property&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0&lt;property&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0\u00a0\u00a0&lt;name&gt;dfs.replication&lt;\/name&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0\u00a0\u00a0&lt;value&gt;1&lt;\/value&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u00a0\u00a0&lt;\/property&gt;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">&lt;\/configuration&gt;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3 class=\"h4\">\u514d\u5bc6\u7801ssh\u8bbe\u7f6e<\/h3>\n<p>\u73b0\u5728\u786e\u8ba4\u80fd\u5426\u4e0d\u8f93\u5165\u53e3\u4ee4\u5c31\u7528ssh\u767b\u5f55localhost:<br \/>\n<span class=\"codefrag\">$ ssh localhost<\/span><\/p>\n<p>\u5982\u679c\u4e0d\u8f93\u5165\u53e3\u4ee4\u5c31\u65e0\u6cd5\u7528ssh\u767b\u9646localhost\uff0c\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\uff1a<br \/>\n<span class=\"codefrag\">$ ssh-keygen -t dsa -P &#8221; -f ~\/.ssh\/id_dsa<\/span><br \/>\n<span class=\"codefrag\">$ cat ~\/.ssh\/id_dsa.pub &gt;&gt; ~\/.ssh\/authorized_keys<\/span><\/p>\n<h3 class=\"h4\">\u6267\u884c<\/h3>\n<p>\u683c\u5f0f\u5316\u4e00\u4e2a\u65b0\u7684\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff1a<br \/>\n<span class=\"codefrag\">$ bin\/hadoop namenode -format<\/span><\/p>\n<p>\u542f\u52a8Hadoop\u5b88\u62a4\u8fdb\u7a0b\uff1a<br \/>\n<span class=\"codefrag\">$ bin\/start-all.sh<\/span><\/p>\n<p>Hadoop\u5b88\u62a4\u8fdb\u7a0b\u7684\u65e5\u5fd7\u5199\u5165\u5230 <span class=\"codefrag\">${HADOOP_LOG_DIR}<\/span> \u76ee\u5f55 (\u9ed8\u8ba4\u662f <span class=\"codefrag\">${HADOOP_HOME}\/logs<\/span>).<\/p>\n<p>\u6d4f\u89c8NameNode\u548cJobTracker\u7684\u7f51\u7edc\u63a5\u53e3\uff0c\u5b83\u4eec\u7684\u5730\u5740\u9ed8\u8ba4\u4e3a\uff1a<\/p>\n<ul>\n<li><span class=\"codefrag\">NameNode<\/span> &#8211; <a href=\"http:\/\/localhost:50070\/\">http:\/\/localhost:50070\/<\/a><\/li>\n<li><span class=\"codefrag\">JobTracker<\/span> &#8211; <a href=\"http:\/\/localhost:50030\/\">http:\/\/localhost:50030\/<\/a><\/li>\n<\/ul>\n<p>\u5c06\u8f93\u5165\u6587\u4ef6\u62f7\u8d1d\u5230\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff1a<br \/>\n<span class=\"codefrag\">$ bin\/hadoop fs -put conf input<\/span><\/p>\n<p>\u8fd0\u884c\u53d1\u884c\u7248\u63d0\u4f9b\u7684\u793a\u4f8b\u7a0b\u5e8f\uff1a<br \/>\n<span class=\"codefrag\">$ bin\/hadoop jar hadoop-*-examples.jar grep input output &#8216;dfs[a-z.]+&#8217;<\/span><\/p>\n<p>\u67e5\u770b\u8f93\u51fa\u6587\u4ef6\uff1a<\/p>\n<p>\u5c06\u8f93\u51fa\u6587\u4ef6\u4ece\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u62f7\u8d1d\u5230\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u67e5\u770b\uff1a<br \/>\n<span class=\"codefrag\">$ bin\/hadoop fs -get output output<\/span><br \/>\n<span class=\"codefrag\">$ cat output\/*<\/span><\/p>\n<p>\u6216\u8005<\/p>\n<p>\u5728\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u4e0a\u67e5\u770b\u8f93\u51fa\u6587\u4ef6\uff1a<br \/>\n<span class=\"codefrag\">$ bin\/hadoop fs -cat output\/*<\/span><\/p>\n<p>\u5b8c\u6210\u5168\u90e8\u64cd\u4f5c\u540e\uff0c\u505c\u6b62\u5b88\u62a4\u8fdb\u7a0b\uff1a<br \/>\n<span class=\"codefrag\">$ bin\/stop-all.sh<\/span><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"h3\">\u5b8c\u5168\u5206\u5e03\u5f0f\u6a21\u5f0f\u7684\u64cd\u4f5c\u65b9\u6cd5<\/h2>\n<div class=\"section\">\n<p>\u5173\u4e8e\u642d\u5efa\u5b8c\u5168\u5206\u5e03\u5f0f\u6a21\u5f0f\u7684\uff0c\u6709\u5b9e\u9645\u610f\u4e49\u7684\u96c6\u7fa4\u7684\u8d44\u6599\u53ef\u4ee5\u5728<a href=\"http:\/\/hadoop.apache.org\/docs\/r1.0.4\/cn\/cluster_setup.html\">\u8fd9\u91cc<\/a>\u627e\u5230\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u7684 \u8fd9\u7bc7\u6587\u6863\u7684\u76ee\u7684\u662f\u5e2e\u52a9\u4f60\u5feb\u901f\u5b8c\u6210\u5355\u673a\u4e0a\u7684Hadoop\u5b89\u88c5\u4e0e\u4f7f\u7528\u4ee5\u4fbf\u4f60\u5bf9Hadoop\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf(HDFS)\u548cMap-Reduce\u6846\u67b6\u6709\u6240\u4f53\u4f1a\uff0c\u6bd4\u5982\u5728HDFS\u4e0a\u8fd0\u884c\u793a\u4f8b\u7a0b\u5e8f\u6216\u7b80\u5355\u4f5c\u4e1a\u7b49\u3002 &nbsp; \u5148\u51b3\u6761\u4ef6 &nbsp; \u652f\u6301\u5e73\u53f0 GNU\/Linux\u662f\u4ea7\u54c1\u5f00\u53d1\u548c\u8fd0\u884c\u7684\u5e73\u53f0\u3002 Hadoop\u5df2\u5728\u67092000\u4e2a\u8282\u70b9\u7684GNU\/Linux\u4e3b\u673a\u7ec4\u6210\u7684\u96c6\u7fa4\u7cfb\u7edf\u4e0a\u5f97\u5230\u9a8c\u8bc1\u3002 Win32\u5e73\u53f0\u662f\u4f5c\u4e3a\u5f00\u53d1\u5e73\u53f0\u652f\u6301\u7684\u3002\u7531\u4e8e\u5206\u5e03\u5f0f\u64cd\u4f5c\u5c1a\u672a\u5728Win32\u5e73\u53f0\u4e0a\u5145\u5206\u6d4b\u8bd5\uff0c\u6240\u4ee5\u8fd8\u4e0d\u4f5c\u4e3a\u4e00\u4e2a\u751f\u4ea7\u5e73\u53f0\u88ab\u652f\u6301\u3002 &nbsp; \u6240\u9700\u8f6f\u4ef6 Linux\u548cWindows\u6240\u9700\u8f6f\u4ef6\u5305\u62ec: JavaTM1.5.x\uff0c\u5fc5\u987b\u5b89\u88c5\uff0c\u5efa\u8bae\u9009\u62e9Sun\u516c\u53f8\u53d1\u884c\u7684Java\u7248\u672c\u3002 ssh \u5fc5\u987b\u5b89\u88c5\u5e76\u4e14\u4fdd\u8bc1 sshd\u4e00\u76f4\u8fd0\u884c\uff0c\u4ee5\u4fbf\u7528Hadoop \u811a\u672c\u7ba1\u7406\u8fdc\u7aefHadoop\u5b88\u62a4\u8fdb\u7a0b\u3002 Windows\u4e0b\u7684\u9644\u52a0\u8f6f\u4ef6\u9700\u6c42 Cygwin &#8211; \u63d0\u4f9b\u4e0a\u8ff0\u8f6f\u4ef6\u4e4b\u5916\u7684shell\u652f\u6301\u3002 &nbsp; \u5b89\u88c5\u8f6f\u4ef6 \u5982\u679c\u4f60\u7684\u96c6\u7fa4\u5c1a\u672a\u5b89\u88c5\u6240\u9700\u8f6f\u4ef6\uff0c\u4f60\u5f97\u9996\u5148\u5b89\u88c5\u5b83\u4eec\u3002 \u4ee5Ubuntu Linux\u4e3a\u4f8b: $ sudo apt-get install ssh $ sudo apt-get install rsync \u5728Windows\u5e73\u53f0\u4e0a\uff0c\u5982\u679c\u5b89\u88c5cygwin\u65f6\u672a\u5b89\u88c5\u5168\u90e8\u6240\u9700\u8f6f\u4ef6\uff0c\u5219\u9700\u542f\u52a8cyqwin\u5b89\u88c5\u7ba1\u7406\u5668\u5b89\u88c5\u5982\u4e0b\u8f6f\u4ef6\u5305\uff1a openssh &#8211; Net \u7c7b &nbsp; \u4e0b\u8f7d \u4e3a\u4e86\u83b7\u53d6Hadoop\u7684\u53d1\u884c\u7248\uff0c\u4eceApache\u7684\u67d0\u4e2a\u955c\u50cf\u670d\u52a1\u5668\u4e0a\u4e0b\u8f7d\u6700\u8fd1\u7684 \u7a33\u5b9a\u53d1\u884c\u7248\u3002 &nbsp; \u8fd0\u884cHadoop\u96c6\u7fa4\u7684\u51c6\u5907\u5de5\u4f5c \u89e3\u538b\u6240\u4e0b\u8f7d\u7684Hadoop\u53d1\u884c\u7248\u3002\u7f16\u8f91 conf\/hadoop-env.sh\u6587\u4ef6\uff0c\u81f3\u5c11\u9700\u8981\u5c06JAVA_HOME\u8bbe\u7f6e\u4e3aJava\u5b89\u88c5\u6839\u8def\u5f84\u3002 \u5c1d\u8bd5\u5982\u4e0b\u547d\u4ee4\uff1a $ bin\/hadoop \u5c06\u4f1a\u663e\u793ahadoop \u811a\u672c\u7684\u4f7f\u7528\u6587\u6863\u3002 \u73b0\u5728\u4f60\u53ef\u4ee5\u7528\u4ee5\u4e0b\u4e09\u79cd\u652f\u6301\u7684\u6a21\u5f0f\u4e2d\u7684\u4e00\u79cd\u542f\u52a8Hadoop\u96c6\u7fa4\uff1a &hellip; <a href=\"https:\/\/www.strongd.net\/?p=1324\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Hadoop\u5feb\u901f\u5165\u95e8<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,11,20],"tags":[],"class_list":["post-1324","post","type-post","status-publish","format-standard","hentry","category-linux","category-11","category-20"],"_links":{"self":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/1324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1324"}],"version-history":[{"count":1,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/1324\/revisions"}],"predecessor-version":[{"id":1325,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/1324\/revisions\/1325"}],"wp:attachment":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}