{"id":13453,"date":"2023-01-15T22:51:15","date_gmt":"2023-01-15T14:51:15","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=13453"},"modified":"2023-01-15T22:51:16","modified_gmt":"2023-01-15T14:51:16","slug":"hdfs%e5%8f%af%e4%bb%a5%e5%ad%98%e5%93%aa%e4%ba%9b%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/13453.html","title":{"rendered":"HDFS\u53ef\u4ee5\u5b58\u54ea\u4e9b\u6570\u636e"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p><\/p>\n<cite>HDFS\u662f\u4e00\u79cd\u80fd\u591f\u5728\u666e\u901a\u786c\u4ef6\u4e0a\u8fd0\u884c\u7684\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b83\u662f\u9ad8\u5ea6\u5bb9\u9519\u7684\uff0c\u9002\u5e94\u4e8e\u5177\u6709\u5927\u6570\u636e\u96c6\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b83\u975e\u5e38\u9002\u4e8e\u5b58\u50a8\u5927\u578b\u6570\u636e (\u6bd4\u5982TB\u548cPB)\u3002\u5b83\u5177\u6709\u9ad8\u53ef\u9760\u6027\u3001\u6570\u636e\u81ea\u52a8\u4fdd\u5b58\u591a\u4e2a\u526f\u672c\u3001\u80fd\u591f\u5904\u7406\u767e\u4e07\u89c4\u6a21\u4ee5\u4e0a\u7684\u6587\u4ef6\u6570\u91cf\u7b49\u4f18\u70b9\u3002<\/cite><\/blockquote>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"680\" height=\"421\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/01\/HDFS\u53ef\u4ee5\u5b58\u54ea\u4e9b\u6570\u636e.png?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"\" class=\"wp-image-13454\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/01\/HDFS\u53ef\u4ee5\u5b58\u54ea\u4e9b\u6570\u636e.png 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/01\/HDFS\u53ef\u4ee5\u5b58\u54ea\u4e9b\u6570\u636e-300x186.png 300w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001HDFS\u4ecb\u7ecd\u548c\u4f7f\u7528<\/h2>\n\n\n\n<p>HDFS\uff08Hadoop Distributed File System \uff09\uff0c\u610f\u4e3a\uff1aHadoop\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u3002\u5b83\u662fApache Hadoop\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u4f5c\u4e3a\u5927\u6570\u636e\u751f\u6001\u5708\u6700\u5e95\u5c42\u7684\u5206\u5e03\u5f0f\u5b58\u50a8\u670d\u52a1\u800c\u5b58\u5728\u3002\u4e5f\u53ef\u4ee5\u8bf4\u5927\u6570\u636e\u9996\u5148\u8981\u89e3\u51b3\u7684\u95ee\u9898\u5c31\u662f\u6d77\u91cf\u6570\u636e\u7684\u5b58\u50a8\u95ee\u9898\u3002<\/p>\n\n\n\n<p>HDFS\u4e3b\u8981\u662f\u89e3\u51b3\u5927\u6570\u636e\u5982\u4f55\u5b58\u50a8\u95ee\u9898\u7684\u3002\u5206\u5e03\u5f0f\u610f\u5473\u7740\u662fHDFS\u662f\u6a2a\u8de8\u5728\u591a\u53f0\u8ba1\u7b97\u673a\u4e0a\u7684\u5b58\u50a8\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>HDFS\u662f\u4e00\u79cd\u80fd\u591f\u5728\u666e\u901a\u786c\u4ef6\u4e0a\u8fd0\u884c\u7684\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b83\u662f\u9ad8\u5ea6\u5bb9\u9519\u7684\uff0c\u9002\u5e94\u4e8e\u5177\u6709\u5927\u6570\u636e\u96c6\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b83\u975e\u5e38\u9002\u4e8e\u5b58\u50a8\u5927\u578b\u6570\u636e (\u6bd4\u5982 TB \u548c PB)\u3002<\/p>\n\n\n\n<p>HDFS\u4f7f\u7528\u591a\u53f0\u8ba1\u7b97\u673a\u5b58\u50a8\u6587\u4ef6, \u5e76\u4e14\u63d0\u4f9b\u7edf\u4e00\u7684\u8bbf\u95ee\u63a5\u53e3, \u50cf\u662f\u8bbf\u95ee\u4e00\u4e2a\u666e\u901a\u6587\u4ef6\u7cfb\u7edf\u4e00\u6837\u4f7f\u7528\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001HDFS\u4f18\u7f3a\u70b9<\/h2>\n\n\n\n<p><strong>1\u3001\u4f18\u70b9<\/strong><\/p>\n\n\n\n<p>\u9ad8\u53ef\u9760\u6027\uff1b<\/p>\n\n\n\n<p>\u6570\u636e\u81ea\u52a8\u4fdd\u5b58\u591a\u4e2a\u526f\u672c\uff08\u9ed8\u8ba43\u4e2a\uff0c\u53ef\u4ee5\u901a\u591adfs.replication\u53c2\u6570\u8bbe\u7f6e\uff09\uff0c\u901a\u8fc7\u589e\u52a0\u526f\u672c\u6765\u63d0\u9ad8\u5bb9\u9519\u6027\uff1b<\/p>\n\n\n\n<p>\u67d0\u4e2a\u526f\u672c\u4e22\u5931\u53ef\u4ee5\u81ea\u52a8\u6062\u590d\uff1b<\/p>\n\n\n\n<p>\u9002\u5408\u5904\u7406\u5927\u6279\u91cf\u6570\u636e\uff1b<\/p>\n\n\n\n<p>\u6570\u636e\u89c4\u6a21\uff1a\u80fd\u591f\u5904\u7406GB\uff0cTB\uff0c\u751a\u81f3PB\u7ea7\u522b\u89c4\u6a21\u7684\u6570\u636e\uff1b<\/p>\n\n\n\n<p>\u6587\u4ef6\u89c4\u6a21\uff1a\u80fd\u591f\u5904\u7406\u767e\u4e07\u89c4\u6a21\u4ee5\u4e0a\u7684\u6587\u4ef6\u6570\u91cf\uff1b<\/p>\n\n\n\n<p>\u53ef\u4ee5\u5728\u5ec9\u4ef7\u7684\u673a\u5668\u4e0a\u8fd0\u884c\u826f\u597d\u3002<\/p>\n\n\n\n<p><strong>2\u3001\u7f3a\u70b9<\/strong><\/p>\n\n\n\n<p>\u4e0d\u9002\u5408\u4f4e\u5ef6\u8fdf\u6570\u636e\u8bbf\u95ee\uff0c\u6bd4\u5982\u79d2\u7ea7\u3001\u6beb\u79d2\u7ea7\uff1b<\/p>\n\n\n\n<p>\u5bf9\u5927\u91cf\u5c0f\u6587\u4ef6\u4e0d\u53cb\u597d\uff1b<\/p>\n\n\n\n<p>\u5b58\u50a8\u5927\u91cf\u5c0f\u6587\u4ef6\u4f1a\u5360\u7528NameNode\u5927\u91cf\u7684\u5185\u5b58\u6765\u5b58\u50a8\u6587\u4ef6\u76ee\u5f55\u53ca\u5757\u4fe1\u606f\u7b49\u5143\u6570\u636e\uff0c\u800cNameNode\u7684\u5185\u5b58\u662f\u6709\u9650\u7684\uff1b<\/p>\n\n\n\n<p>\u5c0f\u6587\u4ef6\u5b58\u50a8\u7684\u5bfb\u5740\u65f6\u95f4\u4f1a\u8d85\u8fc7\u8bfb\u53d6\u65f6\u95f4\uff0c\u5bfb\u5740\u65f6\u95f4\u8f83\u597d\u5728\u4f20\u8f93\u65f6\u95f4\u76841%\uff1b<\/p>\n\n\n\n<p>\u4e0d\u652f\u6301\u5e76\u53d1\u5199\u5165\u3001\u6587\u4ef6\u968f\u673a\u4fee\u6539\uff1b<\/p>\n\n\n\n<p>\u4e00\u4e2a\u6587\u4ef6\u53ea\u80fd\u7531\u4e00\u4e2a\u7ebf\u7a0b\u5199\uff0c\u4e0d\u5141\u8bb8\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u5199\uff1b<\/p>\n\n\n\n<p>\u4ec5\u652f\u6301\u6587\u4ef6\u5185\u5bb9\u8ffd\u52a0\uff08append\uff09\uff0c\u4e0d\u652f\u6301\u968f\u673a\u4fee\u6539\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u5c31\u662f\u5173\u4e8eHDFS\u7684\u77e5\u8bc6\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"HDFS\u662f\u4e00\u79cd\u80fd\u591f\u5728\u666e\u901a\u786c\u4ef6\u4e0a\u8fd0\u884c\u7684\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b83\u662f\u9ad8\u5ea6\u5bb9\u9519\u7684\uff0c\u9002\u5e94\u4e8e\u5177\u6709\u5927\u6570\u636e\u96c6\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b83\u975e\u5e38\u9002\u4e8e\u5b58 [&hellip;]","protected":false},"author":1,"featured_media":13454,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/13453"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=13453"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/13453\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/13454"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=13453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=13453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=13453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}