{"id":3172,"date":"2020-12-12T02:13:00","date_gmt":"2020-12-12T02:13:00","guid":{"rendered":""},"modified":"2020-12-12T10:13:25","modified_gmt":"2020-12-12T02:13:25","slug":"hdfs%e7%9a%84%e4%b8%bb%e8%a6%81%e6%9e%b6%e6%9e%84%2f%e7%89%b9%e7%82%b9%2f%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=3172","title":{"rendered":"HDFS\u7684\u4e3b\u8981\u67b6\u6784\/\u7279\u70b9\/\u5e94\u7528\u573a\u666f"},"content":{"rendered":"

\n\tHDFS\uff08HadoopDistribute<\/u>dFileSystem\uff09\uff0c\u662f\u4e00\u4e2a\u9002\u5408\u8fd0\u884c\u5728\u901a\u7528\u786c\u4ef6\uff08commodityhardware\uff09\u4e0a\u7684\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff0c\u662fHadoop\u7684\u6838\u5fc3\u5b50\u9879\u76ee\uff0c\u662f\u57fa\u4e8e\u6d41\u6570\u636e\u6a21\u5f0f\u8bbf\u95ee\u548c\u5904\u7406\u8d85\u5927\u6587\u4ef6\u7684\u9700\u6c42\u800c\u5f00\u53d1\u7684\u3002\u8be5\u7cfb\u7edf\u4eff\u6548\u4e86\u8c37\u6b4c\u6587\u4ef6\u7cfb\u7edf\uff08GFS\uff09\uff0c\u662fGFS\u7684\u4e00\u4e2a\u7b80\u5316\u548c\u5f00\u6e90\u7248\u672c\u3002<\/p>\n

\n\tHDFS\u7684\u4e3b\u8981\u67b6\u6784<\/p>\n

\n\t <\/div>\n

\n\t\"\"<\/p>\n

\n\tHDFSClient\uff08\u5ba2\u6237\u7aef\uff09\uff1a\u4eceNameNode\u83b7\u53d6\u6587\u4ef6\u7684\u4f4d\u7f6e\u4fe1\u606f\uff0c\u518d\u4eceDataNode\u8bfb\u53d6\u6216\u8005\u5199\u5165\u6570\u636e\u3002\u6b64\u5916\uff0cclient\u5728\u6570\u636e\u5b58\u50a8\u65f6\uff0c\u8d1f\u8d23\u6587\u4ef6\u7684\u5206\u5272\uff1b<\/p>\n

\n\tNameNode\uff08\u5143\u6570\u636e\u8282\u70b9\uff09\uff1a\u7ba1\u7406\u540d\u79f0\u7a7a\u95f4\u3001\u6570\u636e\u5757\uff08Block\uff09\u6620\u5c04\u4fe1\u606f\u3001\u914d\u7f6e\u526f\u672c\u7b56\u7565\u3001\u5904\u7406\u5ba2\u6237\u7aef\u8bfb\u5199\u8bf7\u6c42\uff1b<\/p>\n

\n\tDataNode\uff08\u5b58\u50a8\u8282\u70b9\uff09\uff1a\u8d1f\u8d23\u6267\u884c\u5b9e\u9645\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u5b58\u50a8\u5b9e\u9645\u7684\u6570\u636e\u5757\uff0c\u540c\u4e00\u4e2a\u6570\u636e\u5757\u4f1a\u88ab\u5b58\u50a8\u5728\u591a\u4e2aDataNode\u4e0a<\/p>\n

\n\tSecondaryNameNode\uff1a\u5b9a\u671f\u5408\u5e76\u5143\u6570\u636e\uff0c\u63a8\u9001\u7ed9NameNode\uff0c\u5728\u7d27\u6025\u60c5\u51b5\u4e0b\uff0c\u53ef\u8f85\u52a9NameNode\u7684HA\u6062\u590d\u3002<\/p>\n

\n\tHDFS\u7684\u7279\u70b9\uff08VsGFS\uff09<\/p>\n

\n\t\u5206\u5757\u66f4\u5927\uff0c\u6bcf\u4e2a\u6570\u636e\u5757\u9ed8\u8ba4128MB\uff1b<\/p>\n

\n\t\u4e0d\u652f\u6301\u5e76\u53d1\uff0c\u540c\u4e00\u65f6\u523b\u53ea\u5141\u8bb8\u4e00\u4e2a\u5199\u5165\u8005\u6216\u8ffd\u52a0\u8005;<\/p>\n

\n\t\u8fc7\u7a0b\u4e00\u81f4\u6027\uff0c\u5199\u5165\u6570\u636e\u7684\u4f20\u8f93\u987a\u5e8f\u4e0e\u6700\u7ec8\u5199\u5165\u987a\u5e8f\u4e00\u81f4;<\/p>\n

\n\tMasterHA\uff0c2.X\u7248\u672c\u652f\u6301\u4e24\u4e2aNameNode\uff0c\uff08\u5206\u522b\u5904\u4e8eAcTIve\u548cStandby\u72b6\u6001\uff09\uff0c\u6545\u969c\u5207\u6362\u65f6\u95f4\u4e00\u822c\u51e0\u5341\u79d2\u5230\u6570\u5206\u949f<\/p>\n

\n\tHDFS\u9002\u5408\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n

\n\t\u9002\u7528\u4e8e\u5927\u6587\u4ef6\u3001\u5927\u6570\u636e<\/u>\u5904\u7406\uff0c\u5904\u7406\u6570\u636e\u8fbe\u5230GB\u3001TB\u3001\u751a\u81f3PB\u7ea7\u522b\u7684\u6570\u636e\u3002<\/p>\n

\n\t\u9002\u5408\u6d41\u5f0f\u6587\u4ef6\u8bbf\u95ee\uff0c\u4e00\u6b21\u5199\u5165\uff0c\u591a\u6b21\u8bfb\u53d6\u3002<\/p>\n

\n\t\u6587\u4ef6\u4e00\u65e6\u5199\u5165\u4e0d\u80fd\u4fee\u6539\uff0c\u53ea\u80fd\u8ffd\u52a0\u3002<\/p>\n

\n\tHDFS\u4e0d\u9002\u5408\u7684\u573a\u666f\uff1a<\/p>\n

\n\t\u4f4e\u5ef6\u65f6\u6570\u636e\u8bbf\u95ee\u3002<\/p>\n

\n\t\u5c0f\u6587\u4ef6\u5b58\u50a8<\/p>\n

\n\t\u5e76\u53d1\u5199\u5165\u3001\u6587\u4ef6\u968f\u673a\u4fee\u6539<\/p>\n","protected":false},"excerpt":{"rendered":"

HDFS\uff08HadoopDistribu te dFileSystem\uff09\uff0c\u662f\u4e00\u4e2a\u9002\u5408\u8fd0\u884c\u5728\u901a\u7528\u786c\u4ef6\uff08commodityhardware\uff09\u4e0a\u7684\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff0c\u662fHadoop\u7684\u6838\u5fc3\u5b50\u9879\u76ee\uff0c\u662f\u57fa\u4e8e\u6d41\u6570\u636e\u6a21\u5f0f\u8bbf\u95ee\u548c\u5904\u7406\u8d85\u5927\u6587\u4ef6\u7684\u9700\u6c42\u800c\u5f00\u53d1\u7684\u3002\u8be5\u7cfb<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/3172"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3172"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/3172\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3172"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}