{"id":6504,"date":"2022-04-09T14:44:56","date_gmt":"2022-04-09T06:44:56","guid":{"rendered":"https:\/\/egonlin.com\/?p=6504"},"modified":"2022-05-10T19:18:43","modified_gmt":"2022-05-10T11:18:43","slug":"hadoop%e3%80%81spark-%e5%ae%8c%e5%85%a8%e5%88%86%e5%b8%83%e5%bc%8fha%e9%9b%86%e7%be%a4%e6%90%ad%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=6504","title":{"rendered":"Hadoop\u3001Spark\u2014\u5b8c\u5168\u5206\u5e03\u5f0fHA\u96c6\u7fa4\u642d\u5efa"},"content":{"rendered":"<h1>\u524d\u8a00<\/h1>\n<p>\u5b8c\u5168\u5206\u5e03\u5f0f\u5c31\u662f\u628aHadoop\u6838\u5fc3\u7ec4\u4ef6\u5206\u5f00\u90e8\u7f72\u5230\u4e0d\u540c\u7684\u670d\u52a1\u5668\u8282\u70b9\u4e0a\u8fd0\u884c\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u5efa\u8baeHDFS\u548cYARN\u4ee5\u5355\u72ec\u7684\u7528\u6237\u8eab\u4efd\u8fd0\u884c\u3002\u5728\u5927\u591a\u6570\u5b89\u88c5\u4e2d\uff0cHDFS\u8fdb\u7a0b\u4ee5\u201chdfs\u201d\u6267\u884c\u3002YARN\u901a\u5e38\u4f7f\u7528\u201cyarn\u201d\u5e10\u6237\u3002<\/p>\n<p>hadoopHA\u96c6\u7fa4\u7684\u5de5\u4f5c\u673a\u5236\u5982\u4e0b\u56fe\uff1a<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/Hadoop\u3001Spark\u2014\u5b8c\u5168\u5206\u5e03\u5f0fHA\u96c6\u7fa4\u642d\u5efa1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/Hadoop\u3001Spark\u2014\u5b8c\u5168\u5206\u5e03\u5f0fHA\u96c6\u7fa4\u642d\u5efa1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>Hadoop HA\u96c6\u7fa4\u603b\u4f53\u4e0a\u53ef\u4ee5\u5206\u4e3a\u4e09\u90e8\u5206\uff1aNameNode\u96c6\u7fa4\u3001JournalNode\u96c6\u7fa4\u548cZookeeper\u96c6\u7fa4\u3002NameNode\u5728\u67d0\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u5904\u4e8e\u6d3b\u8dc3\u72b6\u6001\uff0c\u5176\u4ed6\u7684\u90fd\u5904\u4e8estandby\u72b6\u6001\uff1bJournalNode\u8d1f\u8d23\u628aedits\u6587\u4ef6\u4f20\u5230standby\u7684NameNode\u4e0a\uff1bZookeeper\u8d1f\u8d23\u76d1\u63a7NameNode\u5b95\u673a\u60c5\u51b5\uff0cZKFC(ZookeeperFailoverController)\u662f\u4e13\u95e8\u76d1\u63a7NameNode\u5065\u5eb7\u7684\u3002<br \/>\n\u4e3a\u4e86\u540c\u6b65NameNode\u7684\u5143\u6570\u636e\u4e00\u81f4\uff0c\u6709\u4e13\u95e8\u7684JournalNode\u6765\u540c\u6b65\u5143\u6570\u636e\u6587\u4ef6\uff0c\u6d3b\u8dc3\u7684NameNode\u7684edits\u6587\u4ef6\u4f1a\u5199\u5165journalnode\u96c6\u7fa4\uff0c\u5176\u4ed6standby\u7684\u7ed3\u70b9\u4f1a\u53bb\u8bfb\u53d6journalnode\u4e0a\u7684edits\u6587\u4ef6\uff0c\u4ee5\u6b64\u6765\u540c\u6b65\u81ea\u8eab\u7684\u5143\u6570\u636e\u3002<\/p>\n<p>\u8be6\u7ec6\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n<pre><code>1\u3001ZKFC\u7684HealthyMonitor\u662f\u76d1\u63a7NameNode\u7684\u8fdb\u7a0b\uff0c\u662f\u4e13\u95e8\u76d1\u63a7NameNode\u5c06\u5eb7\u60c5\u51b5\u7684\u8fdb\u7a0b\u3002\n2\u3001HealthyMonitor\u4f1a\u5b9a\u65f6\u5411ZKFC\u8fdb\u7a0b\u62a5\u544aNameNode\u60c5\u51b5\u3002\n3\u3001\u5f53HealthyMonitor\u51fa\u73b0\u6c47\u62a5\u4e86NameNode\uff0cZKFC\u5c31\u4f1a\u5411AcitveStandbyEloctor\u62a5\u544a\u3002\n4\u3001AcitveStandbyEloctor\u63a5\u5230NameNode\u5b95\u673a\u62a5\u544a\u5c31\u4f1a\u901a\u77e5zk\u96c6\u7fa4\u9009\u4e3e\u51fa\u65b0\u7684NameNode\u3002\n5\u3001zk\u96c6\u7fa4\u7ecf\u8fc7\u5185\u90e8\u9009\u4e3e\uff0c\u8fd4\u56de\u4e00\u4e2astandby\u7684NameNode\u7ed9AcitveStandbyEloctor\u3002\n6\u3001AcitveStandbyEloctor\u60f3ZKFC\u62a5\u544a\u9009\u4e3e\u7ed3\u679c\u3002\n7\u3001ZKFC\u4e3a\u4e86\u9632\u6b62\u662f\u7f51\u7edc\u539f\u56e0\u5bfc\u81f4NameNode\u5047\u6b7b\uff0c\u5c31\u4f1a\u7ed3\u675fNameNode\u8fdb\u7a0b\u3002\n8\u3001zk\u96c6\u7fa4\u5c31\u4f1a\u901a\u77e5\u53e6\u4e00\u4e2aZKFC\u8981\u6c42\u5b83\u4fee\u6539\u5b83\u76d1\u63a7\u7684NameNode\u7684\u8fdb\u7a0b\u4e3a\u6d3b\u8dc3\u8282\u70b9\u3002<\/code><\/pre>\n<p>\u56fe\u4e2d\u6d89\u53ca\u5230\u7684\u89d2\u8272\u4ecb\u7ecd<\/p>\n<blockquote>\n<p>\u5728Hadoop 1.x\u7684\u65f6\u5019\uff0cNameNode\u5b58\u5728\u5355\u70b9\u6545\u969c\u95ee\u9898\u3002\u5982\u679cNameNode\u8fdb\u7a0b\u6216\u8005\u6240\u5728\u7684\u673a\u5668\u6709\u6545\u969c\uff0c\u4f1a\u5bfc\u81f4\u6574\u4e2a\u96c6\u7fa4\u4e0d\u53ef\u7528\uff0c\u76f4\u5230NameNode\u8fdb\u7a0b\u91cd\u542f\u6216\u8005\u6240\u5728\u7684\u673a\u5668\u6062\u590d\u3002\u5728hadoop 2.x\u4e4b\u540e\uff0c\u589e\u52a0\u4e86NameNode\u7684HA\u673a\u5236\u3002\u5373\u5728\u4e00\u4e2aHDFS\u96c6\u7fa4\u4e2d\u8fd0\u884c\u4e24\u4e2aNameNode\u8282\u70b9\uff0c\u4e00\u4e2a\u662fActive\u72b6\u6001\u7684\uff0c\u4e00\u4e2a\u662fStandby\u72b6\u6001\u7684\u3002\u5f53Active\u72b6\u6001\u7684NameNode\u6302\u6389\u540e\uff0cStandby\u72b6\u6001\u7684NameNode\u4f1a\u5207\u6362\u6210Active\u72b6\u6001\u3002<\/p>\n<\/blockquote>\n<p>NameNode\u7684HA\u67b6\u6784\u5982\u4e0a\u56fe<br \/>\n\u6d89\u53ca\u5230\u51e0\u4e2a\u4e3b\u8981\u89d2\u8272\u5982\u4e0b\uff1a<\/p>\n<pre><code>Active NameNode: \u4e0eStandby NameNode\u5f62\u6210\u4e92\u5907\uff0c\u53ea\u6709\u5904\u4e8eActive\u72b6\u6001\u7684NameNode\u8282\u70b9\u624d\u80fd\u5bf9\u5916\u63d0\u4f9b\u8bfb\u5199\u670d\u52a1\u3002\nStandby NameNode: \u627f\u63a5\u539f\u6765SecondaryNameNode\u7684checkpoint\u529f\u80fd\u3002Standby NameNode\u4eceJN\u62c9\u53d6edit log\uff0c\u5408\u5e76\u5230\u81ea\u5df1\u7684fsimage\u4e0a\u3002\u5728Active NameNode\u6545\u969c\u65f6\uff0cStandby\u4f1a\u5207\u6362\u6210Active\u72b6\u6001\u3002\nJournalNode: \u5fc5\u987b\u5947\u6570\u4e2a\u8282\u70b9\uff083\uff0c5\uff0c7\u2026\uff09\uff0c\u81f3\u5c113\u4e2a\u8282\u70b9\u3002\u5f53\u6709N\u4e2aJN\u65f6\uff0c\u53ef\u4ee5\u5141\u8bb8(N-1)\/2\u4e2aNameNode\u53d1\u751f\u6545\u969c\u3002Active NameNode\u53d1\u9001edit log\u5230JN\u7684\u7edd\u5927\u90e8\u5206\u8282\u70b9\u4e0a\u3002\nZKFailoverController\uff1a ZKFC\u4f5c\u4e3a\u72ec\u7acb\u7684\u8fdb\u7a0b\u8fd0\u884c\uff0c\u5bf9NameNode\u7684\u4e3b\u5907\u5207\u6362\u8fdb\u884c\u603b\u4f53\u63a7\u5236\u3002\u6bcf\u4e2a\u8fd0\u884cNameNode\u7684\u673a\u5668\u4e0a\uff0c\u90fd\u9700\u8981\u540c\u65f6\u8fd0\u884c\u4e00\u4e2aZKFC\u3002ZKFC\u5b9a\u671f\u76d1\u6d4b\u5b83\u672c\u673a\u7684NameNode\u7684\u5065\u5eb7\u72b6\u6001\uff0c\u4f1a\u4e0eZookeeper\u4e4b\u95f4\u7ef4\u62a4\u4e00\u4e2asession\uff0c\u5f53\u672c\u673a\u7684NameNode\u662fActive\u72b6\u6001\u65f6\uff0c\u4f1a\u628a\u67d0\u4e2aznode\u201c\u52a0\u9501\u201d\uff08\u521b\u5efaznode\uff09\u3002\u5982\u679csession\u8fc7\u671f\uff0c\u8fd9\u4e2aznode\u4f1a\u88ab\u5220\u9664\u3002\u5f53\u5176\u4ed6ZKFC\u770b\u5230\u8fd9\u4e2aznode\u4e0d\u5b58\u5728\uff0c\u4f1a\u53bb\u8bf7\u6c42\u201c\u52a0\u9501\u201d\uff08\u521b\u5efaznode\uff09\uff0c\u5982\u679c\u6210\u529f\u201c\u52a0\u9501\u201d\uff0c\u4e5f\u5c31\u662f\u6240\u8c13\u7684\u8d62\u5f97\u4e86\u9009\u4e3e\uff08won the election\uff09\uff0c\u5b83\u6240\u5728\u673a\u5668\u4e0a\u7684NameNode\u6210\u4e3a\u4e86Active\u72b6\u6001\u3002\u5f53\u7136\uff0cNameNode\u4e5f\u652f\u6301\u4e0d\u4f9d\u8d56Zookeeper\u7684\u624b\u52a8\u4e3b\u5907\u5207\u6362\u3002\nDataNode: \u540c\u65f6\u5411Active NameNode\u548cStandby NameNode\u4e0a\u62a5\u6570\u636e\u5757\u4f4d\u7f6e\u4fe1\u606f\u548c\u5fc3\u8df3\u5305\u3002<\/code><\/pre>\n<p>\u642d\u5efa\u5206\u4e3a\u56db\u4e2a\u9636\u6bb5\uff0c\u6bcf\u4e00\u4e2a\u662f\u73af\u5883\u51c6\u5907\uff0c\u7b2c\u4e8c\u4e2a\u662fZookeeper\u96c6\u7fa4\u7684\u642d\u5efa\uff0c\u7b2c\u4e09\u662fHadoop\u96c6\u7fa4\u7684\u642d\u5efa\uff0c\u7b2c\u56db\u662fSpark\u96c6\u7fa4\u7684\u642d\u5efa\u3002<\/p>\n<h1>\u4e00\u3001\u51c6\u5907<\/h1>\n<h2>1\u3001\u8f6f\u4ef6\u53ca\u7248\u672c<\/h2>\n<pre><code class=\"language-yaml\">centOS-7.3.1611\njdk1.8.0_131\nscala-2.11.11.tgz(\u53ef\u9009)\nzookeeper-3.4.10.tar.gz\nhadoop-2.10.1.tar.gz\nspark-2.4.8-bin-hadoop2.7.tgz<\/code><\/pre>\n<p>\u8f6f\u4ef6\u5305\u4e0b\u8f7d\uff1a<\/p>\n<p>\u94fe\u63a5: <a href=\"https:\/\/pan.baidu.com\/s\/1WS10UlQ6sN_W5ZX5k1cYMA\">https:\/\/pan.baidu.com\/s\/1WS10UlQ6sN_W5ZX5k1cYMA<\/a> \u63d0\u53d6\u7801: 854q<\/p>\n<h2>2\u3001\u670d\u52a1\u5668<\/h2>\n<p>\u8fd9\u91cc\u5c06\u4f7f\u7528\u516d\u53f0\u670d\u52a1\u5668\u8fdb\u884c\u642d\u5efa\u3002\u5206\u522b\u547d\u540dspark01\u3001spark02\u3001spark03\u3001spark04\u3001spark05\u3001spark06\u3002<\/p>\n<p>\u673a\u5668\u6570\u4e3a6\u53f0\uff0c\u4f46\u56e0\u4e3a\u5206\u5e03\u5f0f\u7b97\u6cd5\u7684\u9700\u8981\uff0c\u96c6\u7fa4\u901a\u5e38\u90e8\u7f72\u5728\u5947\u6570\u53f0\u670d\u52a1\u5668\u4e0a\uff0c\u6240\u6709\u4e3b\u673a\u5171\u7528\u4e0a\u8ff06\u53f0\u673a\u5668\uff0c\u5982\u4e0b\u89d2\u8272\u5212\u5206<\/p>\n<h3>1\u3001Zookeeper\u96c6\u7fa4\u5206\u914d\u4e09\u53f0\u3002<\/h3>\n<h3>2\u3001Hadoop\u5206\u914d\u9700\u8981\u5206\u5f00\u8bf4\uff1a<\/h3>\n<pre><code>2.1\u3001HDFS\uff1a\u4e24\u4e2a\u4e3b\u8282\u70b9\uff0c\u4e09\u4e2a\u4ece\u8282\u70b9\uff0c5\u53f0\u3002\n\n2.2\u3001JN\u96c6\u7fa4\uff1a\u4e09\u53f0\n\n2.3\u3001Yarn\u96c6\u7fa4\uff1a\u4e24\u4e2a\u4e3b\u8282\u70b9\uff0c\u4e09\u4e2a\u4ece\u8282\u70b9\uff0c5\u53f0\u3002<\/code><\/pre>\n<h3>3\u3001Spark\u96c6\u7fa4\u5206\u914d\u4e09\u53f0\u3002<\/h3>\n<p>\u5c06\u4ee5\u4e0a\u5404\u4e2a\u96c6\u7fa4\u7684\u8282\u70b9\u5408\u5e76\uff0c\u5177\u4f53\u5206\u914d\u5982\u4e0b\uff1a<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u96c6\u7fa4\u8282\u70b9.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u96c6\u7fa4\u8282\u70b9.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h4>\u670d\u52a1\u5668\u8bbe\u7f6e<\/h4>\n<p>\u6bcf\u53f0\u670d\u52a1\u5668\u90fd\u8981\u8fdb\u884c\u5982\u4e0b\u7684\u914d\u7f6e\u3002<\/p>\n<p>1\u3001\u5173\u95ed\u9632\u706b\u5899\u4e0eselinux<\/p>\n<pre><code class=\"language-yaml\">systemctl stop firewalld\nsystemctl disable firewalld\n\nsed -i &#039;\/SELINUX\/s\/enforcing\/disabled\/&#039; \/etc\/selinux\/config\nsetenforce 0<\/code><\/pre>\n<p>2\u3001\u914d\u7f6e\u4e3b\u673a\u540d<\/p>\n<pre><code class=\"language-yaml\">hostnamectl set-hostname xxx\n<\/code><\/pre>\n<p>\u914d\u7f6ehosts<\/p>\n<pre><code class=\"language-yaml\">vim \/etc\/hosts # \u586b\u5165\u4ee5\u4e0b\u5185\u5bb9\n127.0.0.1   localhost\n::1         localhost\n192.168.234.21 spark01\n192.168.234.22 spark02\n192.168.234.23 spark03\n192.168.234.24 spark04\n192.168.234.25 spark05\n192.168.234.26 spark06<\/code><\/pre>\n<p>\u914d\u7f6e\u597d\u6b64\u6587\u4ef6\u4e4b\u540e\u53ef\u4ee5\u901a\u8fc7\u8fdc\u7a0b\u547d\u4ee4\u5c06\u914d\u7f6e\u597d\u7684hosts\u6587\u4ef6scp\u5230\u5176\u4ed65\u53f0\u8282\u70b9\u4e0a\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-yaml\">scp \/etc\/hosts spark02: \/etc\/hosts\nscp \/etc\/hosts spark03: \/etc\/hosts\nscp \/etc\/hosts spark04: \/etc\/hosts\nscp \/etc\/hosts spark05: \/etc\/hosts\nscp \/etc\/hosts spark06: \/etc\/hosts<\/code><\/pre>\n<p>\u914d\u7f6e\u514d\u5bc6\u767b\u5f55<\/p>\n<p>\u96c6\u7fa4\u4e2d\u6240\u6709\u4e3b\u673a\u90fd\u8981\u4e92\u76f8\u8fdb\u884c\u514d\u5bc6\u767b\u5f55\uff0c\u5305\u62ec\u81ea\u5df1\u548c\u81ea\u5df1\u3002<\/p>\n<pre><code class=\"language-yaml\">\u751f\u6210\u5bc6\u94a5\uff1a\nssh-keygen\n\n\u53d1\u9001\u516c\u94a5\uff1a\nssh-copy-id root@spark01\n\n\u6b64\u65f6\u5728\u8fdc\u7a0b\u4e3b\u673a\u7684\/root\/.ssh\/authorized_keys\u6587\u4ef6\u4e2d\u4fdd\u5b58\u4e86\u516c\u94a5\uff0c\u5728known_hosts\u4e2d\u4fdd\u5b58\u4e86\u5df2\u77e5\u4e3b\u673a\u4fe1\u606f\uff0c\u5f53\u518d\u6b21\u8bbf\u95ee\u7684\u65f6\u5019\u5c31\u4e0d\u9700\u8981\u8f93\u5165\u5bc6\u7801\u4e86\u3002\n\n\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdc\u7a0b\u8fde\u63a5\uff0c\u68c0\u9a8c\u662f\u5426\u53ef\u4ee5\u4e0d\u9700\u5bc6\u7801\u8fde\u63a5\uff1a\nssh spark01\n\n\u8bb0\u5f97\u514d\u5bc6\u767b\u5f55\u4e00\u5b9a\u8981\u7ed9\u672c\u673a\u53d1\u9001\u3002\n\u6b64\u6b21\u96c6\u7fa4\u6570\u91cf\uff0c\u4e92\u76f8\u53d1\u9001\u514d\u5bc6\u767b\u5f55\u7684\u6b21\u6570\u4e3a36\u6b21\u3002<\/code><\/pre>\n<p><strong>\u6ce8\u610f\u6ce8\u610f\u6ce8\u610f\uff1a\u505a\u5b8c\u5bc6\u94a5\u767b\u9646\u540e\uff0c\u4e00\u5b9a\u8981\u6bcf\u53f0\u4e3b\u673assh root@\u6765\u767b\u9646\u4e00\u904d\uff0c\u628a\u8be5\u8f93\u5165\u7684yes\u90fd\u8f93\u5165\u5b8c\u6bd5\uff0c\u4fdd\u8bc1ssh\u53ef\u4ee5\u76f4\u63a5\u8fde\u63a5\u4e0a\uff0c\u4e0d\u5728\u9700\u8981\u4ea4\u4e92\uff0c\u5426\u5219\u540e\u7eedhadoop\u811a\u672c\u542f\u670d\u52a1\u65f6\u4f1a\u51fa\u73b0\u95ee\u9898<\/strong><\/p>\n<h4>\u5b89\u88c5Jdk<\/h4>\n<p>1\u3001\u5c06jdk\u5b89\u88c5\u5305\u4e0a\u4f20\u3001\u89e3\u538b\u5b89\u88c5\u5305\uff0c\u5e76\u66f4\u540d\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-yaml\">tar -zxvf jdk-8u65-linux-x64.tar.gz\nmv jdk1.8.0_65 jdk1.8<\/code><\/pre>\n<p>2\u3001\u4fee\u6539\/etc\/profile\uff0c \u5728\u6587\u4ef6\u884c\u5c3e\u52a0\u5165\u4ee5\u4e0b\u5185\u5bb9\u540e\u4fdd\u5b58\u9000\u51fa\u3002<\/p>\n<pre><code class=\"language-yaml\">JAVA_HOME=\/home\/software\/jdk1.8\/\nPATH=$PATH:$JAVA_HOME\/bin\nexport JAVA_HOME PATH<\/code><\/pre>\n<h4>\u5b89\u88c5Scala<\/h4>\n<p>1\u3001\u4e0a\u4f20\u89e3\u538bscala-2.11.0.tgz\uff0c\u5e76\u66f4\u540d\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-yaml\">tar -zxvf scala-2.11.0.tgz\nmv scala-2.11.0 scala2.11<\/code><\/pre>\n<p>2\u3001\u4fee\u6539\/etc\/profile\uff0c\u914d\u7f6e\u5982\u4e0b\uff1a<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/Hadoop\u3001Spark\u2014\u5b8c\u5168\u5206\u5e03\u5f0fHA\u96c6\u7fa4\u642d\u5efa2.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/Hadoop\u3001Spark\u2014\u5b8c\u5168\u5206\u5e03\u5f0fHA\u96c6\u7fa4\u642d\u5efa2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u6ce8\uff1a\u4e0a\u56fe\u5c06Hadoop\u7684\u73af\u5883\u53d8\u91cf\u4e5f\u4e00\u8d77\u914d\u7f6e\u4e86\uff0c\u4e0b\u9762\u4e5f\u6709Hadoop\u7684\u73af\u5883\u53d8\u91cf\u914d\u7f6e\u3002<\/p>\n<p>3\u3001\u91cd\u65b0\u52a0\u8f7dprofile\u4f7f\u914d\u7f6e\u751f\u6548\uff1a<\/p>\n<pre><code class=\"language-yaml\">source \/etc\/profile<\/code><\/pre>\n<p><strong>ps\uff1ajava\u3001python\u3001scala\u4ecb\u7ecd<\/strong><br \/>\n\u4e0b\u9762\u53ea\u662f\u8bf4\u8bf4spark\u7814\u53d1\u56e2\u961f\u4e3a\u4ec0\u4e48\u9009\u62e9scala\uff0c\u4e0d\u662f\u5bf9\u6bd4\u8bed\u8a00\u597d\u574f\u3002<\/p>\n<pre><code class=\"language-yaml\">\u7b2c\u4e00\uff1ajava\u4e0escala\n\n1\u3001\u5f53\u6d89\u53ca\u5230\u5927\u6570\u636eSpark\u9879\u76ee\u573a\u666f\u65f6\uff0cJava\u5c31\u4e0d\u592a\u9002\u5408\uff0c\u4e0ePython\u548cScala\u76f8\u6bd4\uff0cJava\u592a\u5197\u957f\u4e86\uff0c\u4e00\u884cscala\u53ef\u80fd\u9700\u898110\u884cjava\u4ee3\u7801\u3002\n\n2\u3001\u5f53\u5927\u6570\u636e\u9879\u76ee\uff0cScala\u652f\u6301Scala-shell\uff0c\u8fd9\u6837\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u8fdb\u884c\u539f\u578b\u8bbe\u8ba1\uff0c\u5e76\u5e2e\u52a9\u521d\u5b66\u8005\u8f7b\u677e\u5b66\u4e60Spark\uff0c\u800c\u65e0\u9700\u5168\u9762\u7684\u5f00\u53d1\u5468\u671f\u3002\u4f46\u662fJava\u4e0d\u652f\u6301\u4ea4\u4e92\u5f0f\u7684shell\u529f\u80fd\u3002\n\n\u7b2c\u4e8c\uff1aPython\u4e0eScala\n\n\u867d\u7136\u4e24\u8005\u90fd\u5177\u6709\u7b80\u6d01\u7684\u8bed\u6cd5\uff0c\u4e24\u8005\u90fd\u662f\u9762\u5411\u5bf9\u8c61\u52a0\u529f\u80fd\uff0c\u4e24\u8005\u90fd\u6709\u6d3b\u8dc3\u7684\u793e\u533a\u3002\n\n1\u3001Python\u901a\u5e38\u6bd4Scala\u6162\uff0cScala\u4f1a\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u3002\n\n2\u3001Scala\u662fstatic typed. \u9519\u8bef\u5728\u7f16\u8bd1\u9636\u6bb5\u5c31\u629b\u51fa\uff0c\u5b83\u4f7f\u5728\u5927\u578b\u9879\u76ee\u4e2d\u5f00\u53d1\u8fc7\u7a0b\u66f4\u5bb9\u6613\u3002\n\n3\u3001Scala\u57fa\u4e8eJVM\uff0c\u56e0\u4e3aSpark\u662f\u57fa\u4e8eHadoop\u7684\u6587\u4ef6\u7cfb\u7edfHDFS\u7684\u3002 Python\u4e0eHadoop\u670d\u52a1\u4ea4\u4e92\u975e\u5e38\u7cdf\u7cd5\uff0c\u56e0\u6b64\u5f00\u53d1\u4eba\u5458\u5fc5\u987b\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff08\u5982hadoopy\uff09\u3002 Scala\u901a\u8fc7Java\u4e2d\u7684Hadoop API\u6765\u4e0eHadoop\u8fdb\u884c\u4ea4\u4e92\u3002 \u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5728Scala\u4e2d\u7f16\u5199\u672c\u673aHadoop\u5e94\u7528\u7a0b\u5e8f\u975e\u5e38\u7b80\u5355\u3002\n\n\u603b\u4e4b\uff1a\u9009\u62e9\u54ea\u79cd\u8bed\u8a00\uff0c\u8981\u770b\u4f5c\u8005\u7684\u4e2a\u4eba\u60f3\u6cd5\u7740\u91cd\u70b9\uff0c\u5f53\u7136\u60f3\u201c\u73a9\u201dspark\uff0cpython\u4e5f\u662f\u975e\u5e38\u597d\u7684\u3002\n\nSpark\u4e13\u6ce8\u4e8e\u6570\u636e\u7684&quot;transformation&quot;\u548c&quot;mapping&quot;\u7684\u6982\u5ff5\uff0c\u8fd9\u975e\u5e38\u9002\u5408\u4e8e\u5b8c\u7f8e\u652f\u6301\u50cfscala\u8fd9\u6837\u7684\u6982\u5ff5\u7684\u529f\u80fd\u7f16\u7a0b\u8bed\u8a00\u3002 \u53e6\u5916scala\u5728JVM\u4e0a\u8fd0\u884c\uff0c\u8fd9\u4f7f\u5f97\u66f4\u5bb9\u6613\u96c6\u6210hadoop\u3001YARN\u7b49\u6846\u67b6\u3002<\/code><\/pre>\n<h1>\u4e8c\u3001Zookeeper\u5b8c\u5168\u5206\u5e03\u5f0f\u642d\u5efa<\/h1>\n<p>\u4e3a\u4ec0\u4e48\u8981\u90e8\u7f72ZooKeeper<br \/>\n\u53ef\u4ee5\u901a\u8fc7ZooKKeeper\u5b8c\u6210Hadoop NameNode\u7684\u76d1\u63a7\uff0c\u53d1\u751f\u6545\u969c\u65f6\u505a\u5230\u81ea\u52a8\u5207\u6362\uff0c\u4ece\u800c\u8fbe\u5230\u9ad8\u53ef\u7528<\/p>\n<p>\u53c2\u89c1\uff1a<a href=\"https:\/\/egonlin.com\/?p=6531\" title=\"Zookeeper\u96c6\u7fa4\u7684\u642d\u5efa\">Zookeeper\u96c6\u7fa4\u7684\u642d\u5efa<\/a><\/p>\n<p>\u90e8\u7f72\u5728spark01\u3001spark02\u3001spark03\u4e0a\u5373\u53ef<\/p>\n<h1>\u4e09\u3001Hadoop2.0 HA\u96c6\u7fa4\u642d\u5efa\u6b65\u9aa4<\/h1>\n<p>\u6b64\u793a\u4f8b\u4ee5spark01\u8282\u70b9\u670d\u52a1\u5668\u4e3a\u793a\u4f8b\u3002<\/p>\n<h2>3.1\u3001\u5b89\u88c5<\/h2>\n<p>\u76f4\u63a5\u89e3\u538bHadoop\u538b\u7f29\u5305\u5373\u53ef\u3002<\/p>\n<h2>3.2\u3001\u914d\u7f6e<\/h2>\n<p><\/p><div id=\"rml_readmorelogin_placeholder\" style=\"position:relative;\"><div id=\"rml_fade_content\" style=\"position: absolute;\r\ntop:-10em;\r\nwidth:100%;\r\nheight:10em;\r\nbackground: -webkit-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -moz-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -o-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -ms-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\"><\/div><div class=\"wpf-controller aru_rml_from_in_post\" style=\"background-color:#eeeeee;border:5px solid #cce6ff;\" id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><h2 id=\"Header\">\u67e5\u770b\u66f4\u591a<\/h2><div id=\"Message\"><p>\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div><div id=\"StatusBarHeader\"><\/div><form id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><input name=\"post_id\" value=\"6504\" type=\"hidden\"\/><input name=\"_init_callback\" value=\"InitLogin\" type=\"hidden\"\/><input name=\"post_id\" value=\"6504\" type=\"hidden\"\/><input name=\"rt_ype\" value=\"1\" type=\"hidden\"\/><input name=\"nonce\" value=\"5553f802b4\" type=\"hidden\"\/><input name=\"_wpnonce\" value=\"7fd776cc80\" type=\"hidden\"\/><input name=\"_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_proxy_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_view\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginView\" type=\"hidden\"\/><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\" width=\"400px\"><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Username:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"username\" value=\"\" type=\"text\"\/><\/td><\/tr><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Password:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"password\" value=\"\" type=\"password\"\/><\/td><\/tr><\/tbody><\/table><p class=\"wpf-table-placeholder submit\"><button class=\"wp_plugin_framework_ajax_button\" type=\"button\" style=\"background-color:#4D90FE;;color:#ffffff;;border:1px solid #3079ed;\" name=\"_event\" value=\"ButtonLogin\">Log in<\/button><\/p><\/td><td class=\"wpf-table-placeholder-input\"><\/td><\/tr><\/tbody><\/table><\/form><div id=\"ButtonStartRegister\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=register\">Register<\/a><\/div><div id=\"Link1\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=lostpassword\">Forgotten username or password?<\/a><\/div><div id=\"StatusBarFooter\"><\/div><\/div><\/div><div id=aru_remaining_content><\/div>","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u5b8c\u5168\u5206\u5e03\u5f0f\u5c31\u662f\u628aHadoop\u6838\u5fc3\u7ec4\u4ef6\u5206\u5f00\u90e8\u7f72\u5230\u4e0d\u540c\u7684\u670d\u52a1\u5668\u8282\u70b9\u4e0a\u8fd0\u884c\u3002 \u901a\u5e38\uff0c\u5efa\u8baeHDFS\u548cYARN\u4ee5\u5355 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":6510,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[411],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/6504"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6504"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/6504\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/6510"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}