{"id":47555,"date":"2023-12-11T15:12:12","date_gmt":"2023-12-11T07:12:12","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=47555"},"modified":"2023-12-11T15:12:12","modified_gmt":"2023-12-11T07:12:12","slug":"hadoop%e8%8a%82%e7%82%b9%e7%9a%84%e5%8a%a8%e6%80%81%e4%b8%8a%e7%ba%bf%e4%b8%8b%e7%ba%bf%e7%9a%84%e5%a4%a7%e6%a6%82%e6%93%8d%e4%bd%9c-4","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/hadoop%e8%8a%82%e7%82%b9%e7%9a%84%e5%8a%a8%e6%80%81%e4%b8%8a%e7%ba%bf%e4%b8%8b%e7%ba%bf%e7%9a%84%e5%a4%a7%e6%a6%82%e6%93%8d%e4%bd%9c-4\/","title":{"rendered":"hadoop\u8282\u70b9\u7684\u52a8\u6001\u4e0a\u7ebf\u4e0b\u7ebf\u7684\u5927\u6982\u64cd\u4f5c"},"content":{"rendered":"<p>&#8220;`&#8221;                     <strong>\u8282\u70b9\u4e0a\u7ebf<\/strong><\/p>\n<p>        1.\u5173\u95ed\u65b0\u589e\u8282\u70b9\u7684\u9632\u706b\u5899<br \/>\n        2.\u5728 NameNode\u8282\u70b9\u7684hosts\u6587\u4ef6\u4e2d\u52a0\u5165\u65b0\u589e\u6570\u636e\u8282\u70b9\u7684hostname<br \/>\n        3.\u5728\u6bcf\u4e2a\u65b0\u589e\u6570\u636e\u8282\u70b9\u7684hosts\u6587\u4ef6\u4e2d\u52a0\u5165NameNode\u7684hostname<br \/>\n        4.\u5728NameNode\u8282\u70b9\u4e0a\u589e\u52a0\u65b0\u589e\u8282\u70b9\u7684SSH\u514d\u5bc6\u7801\u767b\u5f55\u7684\u64cd\u4f5c<br \/>\n        5.\u5728NameNode\u8282\u70b9\u4e0a\u7684dfs.hosts\u4e2d\u8ffd\u52a0\u4e0a\u65b0\u589e\u8282\u70b9\u7684hostname,<br \/>\n        6.\u5728\u5176\u4ed6\u8282\u70b9\u4e0a\u6267\u884c\u5237\u65b0\u64cd\u4f5c\uff1ahdfs dfsadmin -refreshNodes<br \/>\n        7.\u5728 NameNode \u8282\u70b9\u4e0a\uff0c\u66f4\u6539slaves\u6587\u4ef6\uff0c\u5c06\u8981\u4e0a\u7ebf\u7684\u6570\u636e\u8282\u70b9hostname\u8ffd\u52a0<br \/>\n        \u5230slaves\u6587\u4ef6\u4e2d<br \/>\n        8.\u542f\u52a8DataNode\u8282\u70b9<\/p>\n<p>        9.\u67e5\u770bNameNode\u7684\u76d1\u63a7\u9875\u9762\u770b\u662f\u5426\u6709\u65b0\u589e\u52a0\u7684\u8282\u70b9      <\/p>\n<p> &lt;strong&gt;\u8282\u70b9\u4e0b\u7ebf&lt;\/strong&gt;<\/p>\n<p>        1.\u4fee\u6539\/conf\/hdfs-site.xml\u6587\u4ef6<br \/>\n        2.\u786e\u5b9a\u9700\u8981\u4e0b\u7ebf\u7684\u673a\u5668\uff0cdfs.osts.exclude\u6587\u4ef6\u4e2d\u914d\u7f6e\u597d\u9700\u8981\u4e0b\u67b6\u7684\u673a\u5668\uff0c\u8fd9\u4e2a\u662f\u963b<br \/>\n        \u6b62\u4e0b\u67b6\u7684\u673a\u5668\u53bb\u8fde\u63a5NameNode<br \/>\n        3.\u914d\u7f6e\u5b8c\u6210\u4e4b\u540e\u8fdb\u884c\u914d\u7f6e\u7684\u5237\u65b0\u64cd\u4f5c.\/bin\/hadoop dfsadmin -refreshNodes,\u8fd9\u4e2a<br \/>\n        \u64cd\u4f5c\u7684\u4f5c\u7528\u662f\u5728\u540e\u53f0\u8fdb\u884cblock\u5757\u7684\u79fb\u52a8<br \/>\n        4.\u5f53\u6267\u884c\u4e09\u7684\u547d\u4ee4\u5b8c\u6210\u4e4b\u540e\uff0c\u9700\u8981\u4e0b\u67b6\u7684\u673a\u5668\u5c31\u53ef\u4ee5\u5173\u95ed\u4e86\uff0c\u53ef\u4ee5\u67e5\u770b\u73b0\u5728\u96c6<br \/>\n        \u7fa4\u4e0a\u8fde\u63a5\u7684\u8282\u70b9\uff0c\u6b63\u5728\u6267\u884c Decommission\uff0c\u4f1a\u663e\u793a\uff1a<br \/>\n        Decommission Status : Decommission in progress \u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u4f1a\u663e\u793a\uff1a<br \/>\n        Decommission Status : Decommissioned<\/p>\n<p>        5.\u673a\u5668\u4e0b\u7ebf\u5b8c\u6bd5\uff0c\u5c06\u4ed6\u4eec\u4ece excludes \u6587\u4ef6\u4e2d\u79fb\u9664\u3002<\/p>\n<p>\u00a0<\/p>\n<p>&lt;pre&gt;&lt;code&gt;            &quot;&#8220;`<br \/>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;`&#8221; \u8282\u70b9\u4e0a\u7ebf 1.\u5173\u95ed\u65b0\u589e\u8282\u70b9\u7684\u9632\u706b\u5899 2.\u5728 NameNode\u8282\u70b9\u7684hosts\u6587 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-47555","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47555","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=47555"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47555\/revisions"}],"predecessor-version":[{"id":47556,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47555\/revisions\/47556"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=47555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=47555"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=47555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}