{"id":216553,"date":"2020-11-23T00:49:17","date_gmt":"2020-11-22T16:49:17","guid":{"rendered":"http:\/\/4563.org\/?p=216553"},"modified":"2020-11-23T00:49:17","modified_gmt":"2020-11-22T16:49:17","slug":"%e8%85%be%e8%ae%af%e4%ba%91-chdfs-%e4%ba%91%e7%ab%af%e5%a4%a7%e6%95%b0%e6%8d%ae%e5%ad%98%e7%ae%97%e5%88%86%e7%a6%bb%e7%9a%84%e5%9f%ba%e7%9f%b3","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=216553","title":{"rendered":"\u817e\u8baf\u4e91 CHDFS \u2014 \u4e91\u7aef\u5927\u6570\u636e\u5b58\u7b97\u5206\u79bb\u7684\u57fa\u77f3"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u817e\u8baf\u4e91 CHDFS \u2014 \u4e91\u7aef\u5927\u6570\u636e\u5b58\u7b97\u5206\u79bb\u7684\u57fa\u77f3               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : CloudStorage <\/span>  <span><i><\/i> 2<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> 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metadata \u5c42\uff0c\u5b9e\u73b0\u5bf9 HDFS \u8bed\u4e49\u7684\u652f\u6301\u3002\u901a\u8fc7\u9ad8\u5ea6\u4f18\u5316\u7684 metadata \u5c42\uff0c\u53ef\u4ee5\u652f\u6301\u6d77\u91cf\u5143\u6570\u636e\u7684\u9ad8\u6548\u8bbf\u95ee\u3002\u5728\u5143\u6570\u636e\u89c4\u6a21\u8fdc\u8d85 HDFS \u7684\u60c5\u51b5\u4e0b\uff0c\u8fbe\u5230\u63a5\u8fd1\u539f\u751f HDFS \u6027\u80fd\u7684\u6548\u679c\u3002\u540c\u65f6\u63d0\u4f9b\u4f18\u5316\u4e86\u8bfb\u5199\u6570\u636e\u6d41\u7684 java \u5ba2\u6237\u7aef\uff0c\u5728\u652f\u6301\u9ad8\u6548\u5143\u6570\u636e\u64cd\u4f5c\u7684\u540c\u65f6\uff0c\u5145\u5206\u53d1\u6325\u4e86\u5bf9\u8c61\u5b58\u50a8\u9ad8\u541e\u5410\u548c\u4f4e\u6210\u672c\u7684\u4f18\u70b9\u3002<\/p>\n<p>CHDFS \u57fa\u4e8e\u5bf9\u8c61\u5b58\u50a8\u5b9e\u73b0\u6587\u4ef6\u7cfb\u7edf\u8bed\u4e49\uff0c\u6570\u636e\u6258\u7ba1\u7ed9\u5bf9\u8c61\u5b58\u50a8\uff0c\u628a\u5bf9\u8c61\u5b58\u50a8\u5f53\u505a\u78c1\u76d8\u4f7f\u7528\uff0c\u5728\u6b64\u57fa\u7840\u4e0a\u6784\u5efa\u6587\u4ef6\u7cfb\u7edf\u5206\u5e03\u5f0f\u5143\u6570\u636e\u5c42\uff0c\u652f\u6301\u6d77\u91cf\u6570\u636e\u3002\u57fa\u4e8e\u5bf9\u8c61\u5b58\u50a8\u6258\u7ba1\u6570\u636e\uff0c\u53ef\u4ee5\u81ea\u52a8\u83b7\u5f97\u5bf9\u8c61\u5b58\u50a8\u7684\u4f18\u52bf\uff0c\u5982\u4f4e\u6210\u672c\uff0c\u9ad8\u53ef\u9760\uff0c\u5927\u541e\u5410\uff0c\u9ad8\u53ef\u7528\u7b49\u7279\u6027\uff0c\u5bb9\u91cf\u53ef\u8fbe\u5230\u767e PB \u7ea7\u522b\u3002<\/p>\n<p>\u4e09\u3001CHDFS \u5143\u6570\u636e\u670d\u52a1\u7279\u70b9<\/p>\n<p>CHDFS \u5143\u6570\u636e\u670d\u52a1\u91c7\u7528\u5206\u5e03\u5f0f\u67b6\u6784\uff0c\u5728\u5143\u6570\u636e\u8bfb\u5199\u65b9\u9762\u505a\u4e86\u8f83\u591a\u4f18\u5316\uff0c\u652f\u6301\u767e\u4ebf\u7ea7\u522b\u7684\u6587\u4ef6\u6570\u636e\u91cf\uff0c\u7a81\u7834\u4e86 hdfs namenode \u89c4\u6a21\u9650\u5236\uff0c\u540c\u65f6\u4fdd\u8bc1\u4e86\u4e25\u683c\u7684\u5f3a\u4e00\u81f4\u8bed\u4e49\u3002<\/p>\n<p>\u5bf9\u6bd4 COS \u548c HDFS\uff0c\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n<p>1 \u3001\u6beb\u79d2\u7ea7\u522b\u7684\u539f\u5b50 rename \u64cd\u4f5c\uff0c\u5bf9\u76ee\u5f55\u548c\u6587\u4ef6\u90fd\u9002\u7528\uff1b<\/p>\n<p>2 \u3001\u5143\u6570\u636e\u5f3a\u4e00\u81f4\uff0c\u5199\u5165\u540e\u7acb\u5373\u53ef\u89c1\uff1b<\/p>\n<p>3 \u3001\u652f\u6301\u767e\u4ebf\u7ea7\u522b\u7684\u6587\u4ef6\u6570\u91cf\uff0c\u8fdc\u8d85 HDFS \u89c4\u6a21\uff0c\u5ef6\u8fdf\u548c HDFS \u76f8\u5f53\uff1b<\/p>\n<p>4 \u3001\u5355\u6587\u4ef6\u7cfb\u7edf\uff0c\u5143\u6570\u636e\u652f\u6301 10w \u4ee5\u4e0a\u7684 qps\uff0c\u6ee1\u8db3\u5927\u89c4\u6a21\u8ba1\u7b97\u7684\u9ad8\u5e76\u53d1\u9700\u6c42\uff1b<\/p>\n<p>5 \u3001\u9ad8\u53ef\u7528\uff0c\u79d2\u7ea7\u7684 ha \u5207\u6362\u65f6\u95f4\uff1b<\/p>\n<p>6 \u3001\u5143\u6570\u636e\u5e76\u884c\u52a0\u8f7d\uff0c\u51b7\u542f\u52a8\u901f\u5ea6 \u6bd4 HDFS \u5feb 1 \u4e2a\u6570\u91cf\u7ea7\uff1b<\/p>\n<p>7 \u3001\u5143\u6570\u636e\u8de8\u533a\u57df \/\u53ef\u7528\u533a\u590d\u5236\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u53ef\u9760\u6027\uff1b<\/p>\n<p>CHDFS \u63d0\u4f9b\u4e86\u591a\u79cd\u5143\u6570\u636e\u5f15\u64ce\uff0c\u5728\u9762\u4e34\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u65f6\uff0c\u7528\u6237\u53ef\u4ee5\u6709\u591a\u79cd\u9009\u62e9\uff0c\u8fbe\u5230\u6210\u672c\u3001\u5bb9\u91cf\u548c\u6027\u80fd\u7684\u5e73\u8861\u3002<\/p>\n<p>\u5728\u63a5\u53e3\u4e0a\uff0cCHDFS \u5b8c\u5168\u517c\u5bb9 HDFS\uff0c\u53ef\u4ee5\u8f7b\u677e\u5728\u4e24\u4e2a\u7cfb\u7edf\u4e4b\u95f4\u8fc1\u79fb\u6570\u636e\u3002<\/p>\n<p>\u56db\u3001COS \u4e3a CHDFS \u63d0\u4f9b\u6570\u636e\u5e95\u5ea7<\/p>\n<p>\u5bf9\u8c61\u5b58\u50a8 COS \u4f5c\u4e3a\u4e91\u7aef\u57fa\u7840\u5b58\u50a8\u670d\u52a1\uff0c\u4e3a CHDFS \u63d0\u4f9b\u4e86\u575a\u5b9e\u7684\u6570\u636e\u5e95\u5ea7\uff0cCHDFS \u7684\u6587\u4ef6\u6570\u636e\u5206\u5757\u540e\u5b58\u50a8\u5728 COS\uff0c\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n<p>1 \u3001\u6d77\u91cf\u5b58\u50a8\uff0c\u652f\u6301\u767e P \u7ea7\u522b\u7684\u6570\u636e\u91cf\uff0c\u5bb9\u91cf\u81ea\u52a8\u6269\u5c55\uff1b<\/p>\n<p>2 \u3001\u8d85\u5927\u5e26\u5bbd\uff0c\u652f\u6301 Tbps \u7ea7\u522b\u7684\u5e26\u5bbd\uff0c\u5927\u6570\u636e\u8ba1\u7b97\u53ef\u4ee5\u5145\u5206\u53d1\u6325 COS \u9ad8\u541e\u5410\u7684\u4f18\u52bf\uff1b<\/p>\n<p>3 \u3001\u6570\u636e\u591a AZ\uff0c\u5e26\u6765\u4e86 11 \u4e2a 9 \u7684\u8d85\u9ad8\u53ef\u9760\u6027\uff1b<\/p>\n<p>4 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