{"id":61551,"date":"2024-10-13T11:56:16","date_gmt":"2024-10-13T03:56:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61551\/"},"modified":"2024-10-13T11:56:16","modified_gmt":"2024-10-13T03:56:16","slug":"hdfs%e4%b8%adacl%e6%ac%8a%e9%99%90%e7%ae%a1%e7%90%86%e7%9a%84%e7%b0%a1%e5%96%ae%e5%af%a6%e7%94%a8%ef%bc%8c%e4%bd%a0%e5%ad%b8%e6%9c%83%e4%ba%86%e5%97%8e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61551\/","title":{"rendered":"HDFS\u4e2dAcl\u6b0a\u9650\u7ba1\u7406\u7684\u7c21\u55ae\u5be6\u7528\uff0c\u4f60\u5b78\u6703\u4e86\u55ce\uff1f"},"content":{"rendered":"<h1 id=\"hdfs%e4%b8%adacl%e6%ac%8a%e9%99%90%e7%ae%a1%e7%90%86%e7%9a%84%e7%b0%a1%e5%96%ae%e5%af%a6%e7%94%a8%ef%bc%8c%e4%bd%a0%e5%ad%b8%e6%9c%83%e4%ba%86%e5%97%8e%ef%bc%9f-QwgsQFFCqR\">HDFS\u4e2dAcl\u6b0a\u9650\u7ba1\u7406\u7684\u7c21\u55ae\u5be6\u7528\uff0c\u4f60\u5b78\u6703\u4e86\u55ce\uff1f<\/h1>\n<p>\u5728\u5927\u6578\u64da\u8655\u7406\u7684\u9818\u57df\u4e2d\uff0cHadoop\u5206\u4f48\u5f0f\u6587\u4ef6\u7cfb\u7d71\uff08HDFS\uff09\u662f\u5b58\u5132\u548c\u7ba1\u7406\u6d77\u91cf\u6578\u64da\u7684\u6838\u5fc3\u7d44\u4ef6\u4e4b\u4e00\u3002\u96a8\u8457\u6578\u64da\u5b89\u5168\u6027\u548c\u96b1\u79c1\u4fdd\u8b77\u9700\u6c42\u7684\u589e\u52a0\uff0cHDFS\u4e2d\u7684ACL\uff08Access Control List\uff09\u6b0a\u9650\u7ba1\u7406\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eHDFS\u4e2dACL\u7684\u57fa\u672c\u6982\u5ff5\u3001\u914d\u7f6e\u65b9\u6cd5\u53ca\u5176\u5be6\u7528\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afacl%ef%bc%9f-QwgsQFFCqR\">\u4ec0\u9ebc\u662fACL\uff1f<\/h2>\n<p>ACL\uff0c\u5373\u8a2a\u554f\u63a7\u5236\u5217\u8868\uff0c\u662f\u4e00\u7a2e\u7528\u65bc\u5b9a\u7fa9\u5c0d\u7279\u5b9a\u8cc7\u6e90\u7684\u8a2a\u554f\u6b0a\u9650\u7684\u6a5f\u5236\u3002\u5728HDFS\u4e2d\uff0cACL\u5141\u8a31\u7528\u6236\u70ba\u6587\u4ef6\u548c\u76ee\u9304\u8a2d\u7f6e\u66f4\u7d30\u7c92\u5ea6\u7684\u6b0a\u9650\u63a7\u5236\uff0c\u8d85\u8d8a\u4e86\u50b3\u7d71\u7684UNIX\u6b0a\u9650\u6a21\u578b\u3002\u9019\u610f\u5473\u8457\u7528\u6236\u53ef\u4ee5\u70ba\u4e0d\u540c\u7684\u7528\u6236\u6216\u7528\u6236\u7d44\u5206\u914d\u4e0d\u540c\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"hdfs%e4%b8%ad%e7%9a%84acl%e6%ac%8a%e9%99%90%e9%a1%9e%e5%9e%8b-QwgsQFFCqR\">HDFS\u4e2d\u7684ACL\u6b0a\u9650\u985e\u578b<\/h2>\n<p>\u5728HDFS\u4e2d\uff0cACL\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u7a2e\u6b0a\u9650\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u8b80\u53d6\u6b0a\u9650\uff08READ\uff09<\/strong>\uff1a\u5141\u8a31\u7528\u6236\u67e5\u770b\u6587\u4ef6\u5167\u5bb9\u6216\u5217\u51fa\u76ee\u9304\u3002<\/li>\n<li><strong>\u5beb\u5165\u6b0a\u9650\uff08WRITE\uff09<\/strong>\uff1a\u5141\u8a31\u7528\u6236\u4fee\u6539\u6587\u4ef6\u5167\u5bb9\u6216\u5728\u76ee\u9304\u4e2d\u5275\u5efa\u65b0\u6587\u4ef6\u3002<\/li>\n<li><strong>\u57f7\u884c\u6b0a\u9650\uff08EXECUTE\uff09<\/strong>\uff1a\u5141\u8a31\u7528\u6236\u57f7\u884c\u6587\u4ef6\u6216\u9032\u5165\u76ee\u9304\u3002<\/li>\n<li><strong>\u6240\u6709\u6b0a\u9650\uff08ALL\uff09<\/strong>\uff1a\u5305\u62ec\u8b80\u53d6\u3001\u5beb\u5165\u548c\u57f7\u884c\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8hdfs%e4%b8%ad%e9%85%8d%e7%bd%aeacl-QwgsQFFCqR\">\u5982\u4f55\u5728HDFS\u4e2d\u914d\u7f6eACL<\/h2>\n<p>\u914d\u7f6eHDFS\u4e2d\u7684ACL\u76f8\u5c0d\u7c21\u55ae\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%95%9f%e7%94%a8acl%e6%94%af%e6%8c%81-QwgsQFFCqR\">1. \u555f\u7528ACL\u652f\u6301<\/h3>\n<p>\u5728HDFS\u4e2d\uff0c\u9ed8\u8a8d\u60c5\u6cc1\u4e0bACL\u652f\u6301\u662f\u7981\u7528\u7684\u3002\u8981\u555f\u7528\u5b83\uff0c\u9700\u8981\u5728Hadoop\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u9032\u884c\u8a2d\u7f6e\u3002\u7de8\u8f2f<code>hdfs-site.xml<\/code>\u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<pre><code>\n&lt;property&gt;\n    &lt;name&gt;dfs.permissions.enabled&lt;\/name&gt;\n    &lt;value&gt;true&lt;\/value&gt;\n&lt;\/property&gt;\n<\/code><\/pre>\n<h3 id=\"2-%e8%a8%ad%e7%bd%aeacl-QwgsQFFCqR\">2. \u8a2d\u7f6eACL<\/h3>\n<p>\u4f7f\u7528<code>setfacl<\/code>\u547d\u4ee4\u53ef\u4ee5\u70ba\u6587\u4ef6\u6216\u76ee\u9304\u8a2d\u7f6eACL\u3002\u4f8b\u5982\uff0c\u70ba\u7528\u6236user1\u8a2d\u7f6e\u8b80\u53d6\u548c\u5beb\u5165\u6b0a\u9650\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>\nhdfs dfs -setfacl -m user:user1:rw- \/path\/to\/file\n<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u70ba\u6307\u5b9a\u7684\u6587\u4ef6\u8a2d\u7f6euser1\u7684\u8b80\u53d6\u548c\u5beb\u5165\u6b0a\u9650\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e7%9c%8bacl-QwgsQFFCqR\">3. \u67e5\u770bACL<\/h3>\n<p>\u8981\u67e5\u770b\u6587\u4ef6\u6216\u76ee\u9304\u7684ACL\u8a2d\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528<code>getfacl<\/code>\u547d\u4ee4\uff1a<\/p>\n<pre><code>\nhdfs dfs -getfacl \/path\/to\/file\n<\/code><\/pre>\n<h3 id=\"4-%e5%88%aa%e9%99%a4acl-QwgsQFFCqR\">4. \u522a\u9664ACL<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u67d0\u500b\u7528\u6236\u7684ACL\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>\nhdfs dfs -setfacl -x user:user1 \/path\/to\/file\n<\/code><\/pre>\n<h2 id=\"acl%e7%9a%84%e5%af%a6%e7%94%a8%e6%80%a7-QwgsQFFCqR\">ACL\u7684\u5be6\u7528\u6027<\/h2>\n<p>\u4f7f\u7528ACL\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5176\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u901a\u904eACL\uff0c\u7528\u6236\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u7cbe\u78ba\u63a7\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u9019\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u7279\u5225\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u5927\u578b\u4f01\u696d\u4e2d\uff0c\u4e0d\u540c\u90e8\u9580\u7684\u54e1\u5de5\u53ef\u80fd\u9700\u8981\u5c0d\u540c\u4e00\u6578\u64da\u96c6\u6709\u4e0d\u540c\u7684\u8a2a\u554f\u6b0a\u9650\uff0cACL\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002<\/p>\n<p>\u6b64\u5916\uff0cACL\u9084\u80fd\u5920\u7c21\u5316\u6b0a\u9650\u7ba1\u7406\uff0c\u6e1b\u5c11\u56e0\u70ba\u6b0a\u9650\u8a2d\u7f6e\u4e0d\u7576\u800c\u5c0e\u81f4\u7684\u6578\u64da\u6cc4\u9732\u98a8\u96aa\u3002\u901a\u904e\u6e05\u6670\u7684\u6b0a\u9650\u5206\u914d\uff0c\u4f01\u696d\u80fd\u5920\u66f4\u597d\u5730\u9075\u5faa\u5408\u898f\u8981\u6c42\uff0c\u4fdd\u8b77\u654f\u611f\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QwgsQFFCqR\">\u7e3d\u7d50<\/h2>\n<p>HDFS\u4e2d\u7684ACL\u6b0a\u9650\u7ba1\u7406\u70ba\u7528\u6236\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u5f37\u5927\u7684\u6578\u64da\u8a2a\u554f\u63a7\u5236\u6a5f\u5236\u3002\u901a\u904e\u7c21\u55ae\u7684\u914d\u7f6e\u548c\u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u96b1\u79c1\u3002\u96a8\u8457\u5927\u6578\u64da\u6280\u8853\u7684\u767c\u5c55\uff0c\u638c\u63e1HDFS\u4e2d\u7684ACL\u6b0a\u9650\u7ba1\u7406\u5c07\u6210\u70ba\u6578\u64da\u7ba1\u7406\u8005\u5fc5\u5099\u7684\u6280\u80fd\u4e4b\u4e00\u3002\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u3001<a href=\"https:\/\/server.hk\">\u670d\u52a1\u5668<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22HDFS\u4e2dACL\u6b0a\u9650\u7ba1\u7406\u7684\u7c21\u55ae\u5be6\u7528\u6280\u5de7\uff0c\u5e6b\u52a9\u4f60\u8f15\u9b06\u638c\u63e1\u6578\u64da\u5b89\u5168\u8207\u8a2a\u554f\u63a7\u5236\u3002\u4f60\u5b78\u6703\u4e86\u55ce\uff1f<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61551","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61551","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=61551"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61551\/revisions"}],"predecessor-version":[{"id":61552,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61551\/revisions\/61552"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}