{"id":28250,"date":"2011-08-17T17:21:00","date_gmt":"2011-08-17T09:21:00","guid":{"rendered":""},"modified":"2011-08-17T17:21:00","modified_gmt":"2011-08-17T09:21:00","slug":"","status":"publish","type":"post","link":"https:\/\/www.homejamesfinance.com\/p\/28250.html","title":{"rendered":"Platform MapReduce\u7167\u4eae\u201c\u5927\u6570\u636e\u201d\u65f6\u4ee3"},"content":{"rendered":"

\u5982\u4eca\uff0c\u975e\u7ed3\u6784\u5316\u6570\u636e\u7684\u7206\u70b8\u6027\u589e\u957f\uff0c\u6b63\u5728\u6df1\u523b\u5f71\u54cd\u7740\u6574\u4e2a\u6570\u636e\u5b58\u50a8\u548c\u5206\u6790\u9886\u57df\u3002\u4e3a\u4e86\u6ee1\u8db3\u65b0\u5174\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u4f01\u4e1a\u5f00\u59cb\u9010\u6e10\u6452\u5f03\u4f20\u7edf\u7684\u6570\u636e\u5904\u7406\u65b9\u5f0f\uff0c\u8f6c\u800c\u5c1d\u8bd5\u65b0\u7684\u6a21\u5f0f\u5bf9\u5305\u62ec\u975e\u7ed3\u6784\u5316\u6570\u636e\u5728\u5185\u7684\u5404\u79cd\u7c7b\u578b\u6570\u636e\u8fdb\u884c\u8bbf\u95ee\u3001\u5904\u7406\u548c\u5206\u6790–\u8fd9\u4fbf\u662f"\u5927\u6570\u636e"\u95ee\u9898\u3002<\/p>\n

MapReduce\uff1a\u4e0b\u4e00\u4ee3\u6570\u636e\u5904\u7406\u7f16\u7a0b\u6a21\u5f0f<\/p>\n

"\u5927\u6570\u636e"\u7684\u95ee\u9898\uff0c\u6b63\u4fc3\u4f7f\u4f01\u4e1a\u4e2d\u4f20\u7edf\u7684\u5b58\u50a8\u548c\u8ba1\u7b97\u89e3\u51b3\u65b9\u6848\u5f00\u59cb\u8fc8\u5411\u53d8\u9769\u4e4b\u8def\u3002\u4ece\u73b0\u72b6\u6765\u770b\uff0c\u5f53\u524d\u5b58\u50a8\u6a21\u578b\u5927\u591a\u6570\u80fd\u591f\u652f\u6301\u4f01\u4e1a\u7ea7\u9700\u6c42\u3002\u56e0\u6b64\uff0c"\u5927\u6570\u636e"\u7684\u7126\u70b9\u95ee\u9898\u5f00\u59cb\u8f6c\u5411\u65b0\u578b\u7f16\u7a0b\u6846\u67b6\u9886\u57df\u3002\u800c\u5728\u8fd9\u4e00\u9886\u57df\uff0cMapReduce\u65e0\u7591\u662f\u6700\u53d7\u5173\u6ce8\u7684\u65b0\u4e00\u4ee3\u6280\u672f\u3002\u5b83\u63d0\u4f9b\u4e86\u5728\u8ba1\u7b97\u96c6\u7fa4\u4e0b\u5206\u5e03\u5904\u7406\u5927\u6570\u636e\u7684\u8f6f\u4ef6\u6846\u67b6\uff0c\u5229\u7528MapReduce\u7f16\u7a0b\u6846\u67b6\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5f00\u53d1\u51fa\u8de8\u5904\u7406\u5668\u5206\u5e03\u5f0f\u96c6\u7fa4\u6216\u72ec\u7acb\u8ba1\u7b97\u673a\u7684\u3001\u80fd\u591f\u5e76\u884c\u5904\u7406\u6d77\u91cf\u975e\u7ed3\u6784\u5316\u6570\u636e\u7684\u7a0b\u5e8f\u3002\u4ece\u76ee\u524d\u6765\u770b\uff0c\u5e02\u573a\u4e0a\u4e3b\u8981\u6709\u4e09\u79cd\u65b9\u5f0f\u80fd\u591f\u5b9e\u73b0\u5bf9\u6d77\u91cf\u6570\u636e\u7684MapReduce\u64cd\u4f5c\u3002<\/p>\n

1\uff0e\u5f00\u6e90Apache Hadoop\u9879\u76ee\u3002\u5f53\u524d\uff0c\u65b0\u578b\u7f16\u7a0b\u6846\u67b6\u9886\u57df\u88ab\u5bc4\u4e88\u539a\u671b\u7684\u4e00\u9879\u6280\u672f\u662f\u5f00\u6e90Apache Hadoop\u8f6f\u4ef6\u53ca\u5176\u76f8\u5173\u7684MapReduce\u7f16\u7a0b\u6a21\u578b\u3002Apache Hadoop\u662f\u652f\u6301\u6570\u636e\u5bc6\u96c6\u578b\u5206\u5e03\u5f0f\u5e94\u7528\u7684\u8f6f\u4ef6\u6846\u67b6\uff0c\u91c7\u7528\u514d\u8d39\u8bb8\u53ef\u8bc1\u65b9\u5f0f\uff0c\u80fd\u591f\u8ba9\u5e94\u7528\u80fd\u591f\u4f7f\u7528Hadoop\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u5185\u7684\u6570\u5343\u4e2a\u8282\u70b9\u548c\u6570PB\u6570\u636e\u3002\u7136\u800c\uff0c\u5f00\u6e90Hadoop MapReduce\u89e3\u51b3\u65b9\u6848\u5e76\u975e\u5c3d\u5584\u5c3d\u7f8e\uff0c\u7531\u4e8e\u5176\u8ba1\u7b97\u90e8\u5206\uff08\u5373\u6570\u636e\u7684\u62bd\u53d6\u3001\u5904\u7406\u548c\u5206\u6790\u5f52\u7eb3\uff09\u6700\u521d\u53ea\u662f\u4e3a\u4e86\u6ee1\u8db3\u57fa\u672c\u7684\u529f\u80fd\u9700\u6c42\u800c\u975e\u4f01\u4e1a\u7ea7\u7684\u5b9e\u65bd\u8fdb\u884c\u8bbe\u8ba1\u7684\uff0c\u56e0\u6b64\u53d1\u5c55\u5230\u73b0\u5728\u5df2\u7ecf\u65e0\u6cd5\u66f4\u597d\u5730\u6ee1\u8db3\u4f01\u4e1a\u7ea7\u7684\u9700\u6c42\u3002\u9762\u5bf9\u65e5\u76ca\u82db\u523b\u7684\u4e1a\u52a1\u9700\u6c42\uff0cHadoop MapReduce\u76ee\u524d\u9762\u4e34\u4e94\u5927\u6311\u6218\u3002<\/p>\n

\u7b2c\u4e00\uff0c\u7f3a\u4e4f\u9ad8\u6027\u80fd\u548c\u6269\u5c55\u6027\u3002\u73b0\u6709\u7684Hadoop MapReduce\u7f16\u7a0b\u6a21\u578b\u5b9e\u73b0\u5e76\u4e0d\u63d0\u4f9b\u5feb\u901f\u3001\u53ef\u6269\u5c55\u7684\u5206\u5e03\u5f0f\u8d44\u6e90\u57fa\u7840\u67b6\u6784\u89e3\u51b3\u65b9\u6848\uff1b\u7b2c\u4e8c\uff0c\u7f3a\u4e4f\u7075\u6d3b\u7684\u8d44\u6e90\u7ba1\u7406\u3002\u73b0\u6709\u7684Hadoop MapReduce\u7f16\u7a0b\u6a21\u578b\u5b9e\u73b0\u65e0\u6cd5\u8fc5\u901f\u54cd\u5e94\u6765\u81ea\u5e94\u7528\u7a0b\u5e8f\u53ca\/\u6216\u7528\u6237\u7684\u9700\u6c42\u53d8\u5316\uff1b\u7b2c\u4e09\uff1b\u7f3a\u5c11\u5e94\u7528\u90e8\u7f72\u652f\u6301\u3002\u73b0\u6709\u7684Hadoop MapReduce\u7f16\u7a0b\u6a21\u578b\u5b9e\u73b0\u5e76\u6ca1\u6709\u4f7f\u7528\u81ea\u52a8\u5316\u5e94\u7528\u670d\u52a1\u90e8\u7f72\u529f\u80fd\uff0c\u56e0\u6b64\u65e0\u6cd5\u7b80\u5316\u7ba1\u7406\u751f\u4ea7\u578b\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e0a\u7684\u591a\u5e94\u7528\u96c6\u6210\uff1b\u7b2c\u56db\uff0c\u65e0\u6cd5\u4fdd\u8bc1\u670d\u52a1\u8d28\u91cf\u3002\u73b0\u6709\u7684Hadoop MapReduce\u7f16\u7a0b\u6a21\u578b\u5b9e\u73b0\u5e76\u6ca1\u6709\u7ecf\u8fc7\u4f18\u5316\uff0c\u65e0\u6cd5\u5145\u5206\u5229\u7528\u8fd9\u4e2a\u4f18\u70b9\uff1a\u901a\u8fc7\u63d0\u9ad8\u591a\u6838\u670d\u52a1\u5668\u7684\u5229\u7528\u7387\uff0c\u52a0\u5feb\u8fd0\u884c\u901f\u5ea6\u3001\u964d\u4f4e\u6210\u672c\uff1b\u7b2c\u4e94\uff0c\u7f3a\u5c11\u591a\u6570\u636e\u6e90\u652f\u6301\u3002\u73b0\u6709\u7684Hadoop MapReduce\u7f16\u7a0b\u6a21\u578b\u5b9e\u73b0\u53ea\u652f\u6301\u4e00\u79cd\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff0c\u901a\u5e38\u662fHDFS\u3002\u800c\u4e00\u4e2a\u5b8c\u6574\u7684MapReduce\u7f16\u7a0b\u6a21\u578b\u5b9e\u73b0\u5e94\u8be5\u8db3\u591f\u7075\u6d3b\uff0c\u80fd\u540c\u65f6\u652f\u6301\u591a\u79cd\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u7684\u6570\u636e\u5b58\u53d6\u3002<\/p>\n

2\uff0e\u5546\u7528\u5f00\u6e90\u89e3\u51b3\u65b9\u6848\u3002Cloudera\u662f\u4e00\u5bb6\u65b0\u5174\u516c\u53f8\uff0c\u63d0\u4f9b\u81ea\u5df1\u7684Hadoop\u8f6f\u4ef6\u53d1\u884c\u7248\uff0c\u91c7\u7528\u4e0e\u5176\u4ed6\u5f00\u6e90\u8f6f\u4ef6\u516c\u53f8\uff08\u5982\u7ea2\u5e3d\uff09\u540c\u6837\u7684\u5546\u4e1a\u6a21\u5f0f\u3002\u5b83\u65e2\u63d0\u4f9b\u8f6f\u4ef6\u670d\u52a1\uff0c\u53c8\u5bf9\u6574\u4e2a\u5f00\u6e90\u8f6f\u4ef6\u505a\u8d21\u732e–\u4ece\u7ec8\u7aef\u7528\u6237\u5e94\u7528\u7a0b\u5e8f\u3001MapReduce\u5904\u7406\u5230Hadoop\u6587\u4ef6\u7cfb\u7edf\u3002\u7136\u800c\uff0c\u5176\u89e3\u51b3\u65b9\u6848\u9700\u8981\u5904\u7406\u6d41\u7a0b\u4e0e\u6587\u4ef6\u7cfb\u7edf\u7d27\u5bc6\u96c6\u6210\uff0c\u8fd9\u8feb\u4f7f\u5ba2\u6237\u88ab\u5176\u6570\u636e\u5b58\u50a8\u65b9\u6cd5\u7262\u7262\u9501\u5b9a\u3002\u6b64\u5916\uff0c\u5b83\u4ecd\u662f\u4e00\u6b3e\u672a\u7ecf\u9a8c\u8bc1\u7684\u5927\u89c4\u6a21\u4f01\u4e1a\u8f6f\u4ef6\u89e3\u51b3\u65b9\u6848–\u5305\u62ec\u8d1f\u8f7d\u7ba1\u7406\u529f\u80fd\u3001\u9ad8\u5ea6\u4f9d\u8d56\u5f00\u6e90\u793e\u533a\u3001\u670d\u52a1\u8d28\u91cf\u548c\u6027\u80fd\u65e0\u6cd5\u5f97\u5230\u4fdd\u969c\u3002<\/p>\n

3\uff0e\u6570\u636e\u4ed3\u5e93\u5206\u6790\u3002\u4e00\u4e9b\u6570\u636e\u4ed3\u5e93\u5382\u5546\u5728\u81ea\u5df1\u7684\u6570\u636e\u4ed3\u5e93\u4e0a\u5b9e\u65bd\u4e86MapReduce\u7f16\u7a0b\u6a21\u578b\uff0c\u5305\u62ecEMC\/Greenplum\u548cAster Data\u7b49\u516c\u53f8\u3002\u867d\u7136MapReduce\u4e0e\u6570\u636e\u4ed3\u5e93\u7d27\u5bc6\u96c6\u6210\u5bf9\u5ba2\u6237\u6765\u8bf4\u662f\u4e2a\u8bf1\u4eba\u3001\u53ef\u9760\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4f46\u662f\u8be5\u89e3\u51b3\u65b9\u6848\u53ea\u4e0e\u5404\u5382\u5546\u81ea\u5df1\u7684\u6570\u636e\u4ed3\u5e93\u534f\u540c\u8fd0\u884c\uff0c\u800c\u4e14\u4e0d\u652f\u6301\u5176\u4ed6\u975e\u7ed3\u6784\u5316\u7684\u6570\u636e\u7cfb\u7edf\uff0c\u5982HDFS\u3001Appistry\u4ee5\u53ca\u5176\u4ed6\u8bb8\u591a\u6570\u636e\u7cfb\u7edf\u3002<\/p>\n

\u4f01\u4e1a\u7ea7MapReduce\u5206\u5e03\u5f0f\u8fd0\u884c\u5f15\u64ce<\/p>\n

\u7531\u4e8e\u666e\u904d\u7f3a\u4e4f\u6269\u5c55\u6216\u7ba1\u7406\u5927\u578b\u5206\u5e03\u5f0f\u73af\u5883\u548c\u5de5\u4f5c\u8d1f\u8f7d\u5e76\u4e14\u4fdd\u6301\u670d\u52a1\u6c34\u5e73\u6216\u907f\u514d\u5382\u5546\u9501\u5b9a\u7684\u80fd\u529b\uff0c\u4f17\u591a\u5f00\u6e90MapReduce\u89e3\u51b3\u65b9\u6848\u96be\u4ee5\u6ee1\u8db3\u4f01\u4e1a\u7684\u9700\u6c42\u3002\u56e0\u6b64\uff0c\u5f88\u591a\u4f01\u4e1a\u673a\u6784\u5e76\u4e0d\u613f\u610f\u4e3a\u4f01\u4e1a\u5e94\u7528\u7a0b\u5e8f\u90e8\u7f72\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u8fd0\u884c\u5f15\u64ce\u3002\u7136\u800c\uff0c\u9762\u5bf9\u4e0d\u65ad\u6fc0\u589e\u7684\u6570\u636e\uff0c\u5982\u679c\u4f01\u4e1a\u5e0c\u671b\u901a\u8fc7MapReduce\u7f16\u7a0b\u6846\u67b6\u5bf9\u90a3\u4e9b\u5e9e\u5927\u7684\u5f02\u6784\u6570\u636e\u96c6\u6267\u884c\u5206\u5e03\u5f0f\u8ba1\u7b97\u7684\u8bdd\uff0c\u5c31\u52bf\u5fc5\u9700\u8981\u4e00\u79cd\u5177\u6709\u9ad8\u6269\u5c55\u6027\u3001\u9ad8\u53ef\u7528\u6027\u53c8\u6613\u4e8e\u7ba1\u7406\u7684\u4f01\u4e1a\u7ea7\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

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