{"id":193,"date":"2019-01-14T11:35:37","date_gmt":"2019-01-14T03:35:37","guid":{"rendered":"http:\/\/www.xzclass.com\/?p=193"},"modified":"2022-03-01T14:29:20","modified_gmt":"2022-03-01T06:29:20","slug":"%e6%b7%b1%e5%85%a5%e6%b5%85%e5%87%ba%e5%a4%a7%e6%95%b0%e6%8d%ae%ef%bc%9a%e5%88%b0%e5%ba%95%e4%bb%80%e4%b9%88%e6%98%afhadoop%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.xzclass.com\/?p=193","title":{"rendered":"\u6df1\u5165\u6d45\u51fa\u5927\u6570\u636e\uff1a\u5230\u5e95\u4ec0\u4e48\u662fHadoop\uff1f"},"content":{"rendered":"
<\/section>\n

1998\u5e749\u67084\u65e5\uff0cGoogle\u516c\u53f8\u5728\u7f8e\u56fd\u7845\u8c37\u6210\u7acb\u3002\u6b63\u5982\u5927\u5bb6\u6240\u77e5\uff0c\u5b83\u662f\u4e00\u5bb6\u505a\u641c\u7d22\u5f15\u64ce\u8d77\u5bb6\u7684\u516c\u53f8\u3002<\/span><\/p>\n

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\u65e0\u72ec\u6709\u5076\uff0c\u4e00\u4f4d\u540d\u53ebDoug?Cutting<\/strong>\u7684\u7f8e\u56fd\u5de5\u7a0b\u5e08\uff0c\u4e5f\u8ff7\u4e0a\u4e86\u641c\u7d22\u5f15\u64ce\u3002\u4ed6\u505a\u4e86\u4e00\u4e2a\u7528\u4e8e\u6587\u672c\u641c\u7d22\u7684\u51fd\u6570\u5e93\uff08\u59d1\u4e14\u7406\u89e3\u4e3a\u8f6f\u4ef6\u7684\u529f\u80fd\u7ec4\u4ef6\uff09\uff0c\u547d\u540d\u4e3aLucene<\/strong>\u3002<\/span><\/p>\n


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\u5de6\u4e3aDoug Cutting\uff0c\u53f3\u4e3aLucene\u7684LOGO<\/span><\/p>\n


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Lucene\u662f\u7528JAVA\u5199\u6210\u7684\uff0c\u76ee\u6807\u662f\u4e3a\u5404\u79cd\u4e2d\u5c0f\u578b\u5e94\u7528\u8f6f\u4ef6\u52a0\u5165\u5168\u6587\u68c0\u7d22\u529f\u80fd\u3002\u56e0\u4e3a\u597d\u7528\u800c\u4e14\u5f00\u6e90\uff08\u4ee3\u7801\u516c\u5f00\uff09\uff0c\u975e\u5e38\u53d7\u7a0b\u5e8f\u5458\u4eec\u7684\u6b22\u8fce\u3002<\/span><\/p>\n

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\u65e9\u671f\u7684\u65f6\u5019\uff0c\u8fd9\u4e2a\u9879\u76ee\u88ab\u53d1\u5e03\u5728Doug Cutting\u7684\u4e2a\u4eba\u7f51\u7ad9\u548cSourceForge\uff08\u4e00\u4e2a\u5f00\u6e90\u8f6f\u4ef6\u7f51\u7ad9\uff09\u3002\u540e\u6765\uff0c2001\u5e74\u5e95\uff0cLucene\u6210\u4e3aApache\u8f6f\u4ef6\u57fa\u91d1\u4f1a<\/strong>jakarta\u9879\u76ee\u7684\u4e00\u4e2a\u5b50\u9879\u76ee\u3002<\/span><\/p>\n


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Apache\u8f6f\u4ef6\u57fa\u91d1\u4f1a\uff0c\u641eIT\u7684\u5e94\u8be5\u90fd\u8ba4\u8bc6<\/span><\/p>\n


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2004\u5e74\uff0cDoug <\/span>Cutting\u518d\u63a5\u518d\u52b1\uff0c\u5728Lucene\u7684\u57fa\u7840\u4e0a\uff0c\u548cApache\u5f00\u6e90\u4f19\u4f34Mike Cafarella\u5408\u4f5c\uff0c\u5f00\u53d1\u4e86\u4e00\u6b3e\u53ef\u4ee5\u4ee3\u66ff\u5f53\u65f6\u7684\u4e3b\u6d41\u641c\u7d22\u7684\u5f00\u6e90\u641c\u7d22\u5f15\u64ce\uff0c\u547d\u540d\u4e3aNutch<\/strong>\u3002<\/span><\/p>\n


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Nutch\u662f\u4e00\u4e2a\u5efa\u7acb\u5728Lucene\u6838\u5fc3\u4e4b\u4e0a\u7684\u7f51\u9875\u641c\u7d22\u5e94\u7528\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u4e0b\u8f7d\u4e0b\u6765\u76f4\u63a5\u4f7f\u7528\u3002\u5b83\u5728Lucene\u7684\u57fa\u7840\u4e0a\u52a0\u4e86\u7f51\u7edc\u722c\u866b\u548c\u4e00\u4e9b\u7f51\u9875\u76f8\u5173\u7684\u529f\u80fd\uff0c\u76ee\u7684\u5c31\u662f\u4ece\u4e00\u4e2a\u7b80\u5355\u7684\u7ad9\u5185\u68c0\u7d22\u63a8\u5e7f\u5230\u5168\u7403\u7f51\u7edc\u7684\u641c\u7d22\u4e0a\uff0c\u5c31\u50cfGoogle\u4e00\u6837\u3002<\/span><\/span><\/p>\n


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Nutch\u5728\u4e1a\u754c\u7684\u5f71\u54cd\u529b\u6bd4Lucene\u66f4\u5927\u3002<\/span><\/span><\/p>\n


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\u5927\u6279\u7f51\u7ad9\u91c7\u7528\u4e86Nutch\u5e73\u53f0\uff0c\u5927\u5927\u964d\u4f4e\u4e86\u6280\u672f\u95e8\u69db\uff0c\u4f7f\u4f4e\u6210\u672c\u7684\u666e\u901a\u8ba1\u7b97\u673a\u53d6\u4ee3\u9ad8\u4ef7\u7684Web\u670d\u52a1\u5668\u6210\u4e3a\u53ef\u80fd\u3002\u751a\u81f3\u6709\u4e00\u6bb5\u65f6\u95f4\uff0c\u5728\u7845\u8c37\u6709\u4e86\u4e00\u80a1\u7528Nutch\u4f4e\u6210\u672c\u521b\u4e1a\u7684\u6f6e\u6d41\u3002<\/span><\/span><\/p>\n


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\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u65e0\u8bba\u662fGoogle\u8fd8\u662fNutch\uff0c\u90fd\u9762\u4e34\u641c\u7d22\u5bf9\u8c61\u201c\u4f53\u79ef\u201d\u4e0d\u65ad\u589e\u5927\u7684\u95ee\u9898\u3002<\/span><\/p>\n


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\u5c24\u5176\u662fGoogle\uff0c\u4f5c\u4e3a\u4e92\u8054\u7f51\u641c\u7d22\u5f15\u64ce\uff0c\u9700\u8981\u5b58\u50a8\u5927\u91cf\u7684\u7f51\u9875\uff0c\u5e76\u4e0d\u65ad\u4f18\u5316\u81ea\u5df1\u7684\u641c\u7d22\u7b97\u6cd5\uff0c\u63d0\u5347\u641c\u7d22\u6548\u7387\u3002<\/span><\/p>\n


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\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0cGoogle\u786e\u5b9e\u627e\u5230\u4e86\u4e0d\u5c11\u597d\u529e\u6cd5\uff0c\u5e76\u4e14\u65e0\u79c1\u5730\u5206\u4eab\u4e86\u51fa\u6765\u3002<\/span><\/p>\n


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2003\u5e74\uff0cGoogle\u53d1\u8868\u4e86\u4e00\u7bc7\u6280\u672f\u5b66\u672f\u8bba\u6587\uff0c\u516c\u5f00\u4ecb\u7ecd\u4e86\u81ea\u5df1\u7684\u8c37\u6b4c\u6587\u4ef6\u7cfb\u7edfGFS\uff08Google?File?System\uff09<\/strong>\u3002\u8fd9\u662fGoogle\u516c\u53f8\u4e3a\u4e86\u5b58\u50a8\u6d77\u91cf\u641c\u7d22\u6570\u636e\u800c\u8bbe\u8ba1\u7684\u4e13\u7528\u6587\u4ef6\u7cfb\u7edf\u3002<\/span><\/p>\n

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\u7b2c\u4e8c\u5e74\uff0c\u4e5f\u5c31\u662f2004\u5e74\uff0cDoug?Cutting\u57fa\u4e8eGoogle\u7684GFS\u8bba\u6587\uff0c\u5b9e\u73b0\u4e86\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u7cfb\u7edf<\/strong>\uff0c\u5e76\u5c06\u5b83\u547d\u540d\u4e3aNDFS\uff08Nutch Distributed File?System\uff09<\/strong>\u3002<\/span><\/p>\n


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\u8fd8\u662f2004\u5e74\uff0cGoogle\u53c8\u53d1\u8868\u4e86\u4e00\u7bc7\u6280\u672f\u5b66\u672f\u8bba\u6587\uff0c\u4ecb\u7ecd\u81ea\u5df1\u7684<\/span>MapReduce\u7f16\u7a0b\u6a21\u578b<\/strong>\u3002\u8fd9\u4e2a\u7f16\u7a0b\u6a21\u578b\uff0c\u7528\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u96c6\uff08\u5927\u4e8e1TB\uff09\u7684\u5e76\u884c\u5206\u6790\u8fd0\u7b97\u3002<\/span><\/p>\n

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\u7b2c\u4e8c\u5e74\uff082005\u5e74\uff09\uff0cDoug?Cutting\u53c8\u57fa\u4e8eMapReduce\uff0c\u5728Nutch\u641c\u7d22\u5f15\u64ce\u5b9e\u73b0\u4e86\u8be5\u529f\u80fd\u3002<\/span><\/p>\n


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2006\u5e74\uff0c\u5f53\u65f6\u4f9d\u7136\u5f88\u5389\u5bb3\u7684Yahoo\uff08\u96c5\u864e\uff09\u516c\u53f8<\/strong>\uff0c\u62db\u5b89\u4e86Doug?Cutting\u3002<\/span><\/p>\n


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\u8fd9\u91cc\u8981\u8865\u5145\u8bf4\u660e\u4e00\u4e0b\u96c5\u864e\u62db\u5b89Doug\u7684\u80cc\u666f\uff1a2004\u5e74\u4e4b\u524d\uff0c\u4f5c\u4e3a\u4e92\u8054\u7f51\u5f00\u62d3\u8005\u7684\u96c5\u864e\uff0c\u662f\u4f7f\u7528Google\u641c\u7d22\u5f15\u64ce\u4f5c\u4e3a\u81ea\u5bb6\u641c\u7d22\u670d\u52a1\u7684\u3002\u57282004\u5e74\u5f00\u59cb\uff0c\u96c5\u864e\u653e\u5f03\u4e86Google\uff0c\u5f00\u59cb\u81ea\u5df1\u7814\u53d1\u641c\u7d22\u5f15\u64ce\u3002\u6240\u4ee5\u3002\u3002\u3002<\/span><\/p>\n


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\u52a0\u76dfYahoo\u4e4b\u540e\uff0cDoug?Cutting\u5c06NDFS\u548cMapReduce\u8fdb\u884c\u4e86\u5347\u7ea7\u6539\u9020\uff0c\u5e76\u91cd\u65b0\u547d\u540d\u4e3aHadoop<\/strong>\uff08NDFS\u4e5f\u6539\u540d\u4e3aHDFS\uff0cHadoop Distributed File?System\uff09\u3002<\/span><\/p>\n

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\u8fd9\u4e2a\uff0c\u5c31\u662f\u540e\u6765\u5927\u540d\u9f0e\u9f0e\u7684\u5927\u6570\u636e\u6846\u67b6\u7cfb\u7edf\u2014\u2014Hadoop\u7684\u7531\u6765\u3002\u800cDoug?Cutting\uff0c\u5219\u88ab\u4eba\u4eec\u79f0\u4e3aHadoop\u4e4b\u7236<\/strong>\u3002<\/span><\/p>\n


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Hadoop\u8fd9\u4e2a\u540d\u5b57\uff0c\u5b9e\u9645\u4e0a\u662fDoug?Cutting\u4ed6\u513f\u5b50\u7684\u9ec4\u8272\u73a9\u5177\u5927\u8c61\u7684\u540d\u5b57\u3002\u6240\u4ee5\uff0cHadoop\u7684Logo\uff0c\u5c31\u662f\u4e00\u53ea\u5954\u8dd1\u7684\u9ec4\u8272\u5927\u8c61\u3002<\/span><\/p>\n


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\u6211\u4eec\u7ee7\u7eed\u5f80\u4e0b\u8bf4\u3002<\/span><\/p>\n


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\u8fd8\u662f2006\u5e74\uff0cGoogle\u53c8\u53d1\u8bba\u6587\u4e86\u3002<\/span><\/p>\n


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\u8fd9\u6b21\uff0c\u5b83\u4eec\u4ecb\u7ecd\u4e86\u81ea\u5df1\u7684BigTable<\/strong>\u3002\u8fd9\u662f\u4e00\u79cd<\/span>\u5206\u5e03\u5f0f\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\uff0c\u4e00\u79cd\u7528\u6765\u5904\u7406\u6d77\u91cf\u6570\u636e\u7684\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u3002<\/span><\/p>\n

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Doug?Cutting\u5f53\u7136\u6ca1\u6709\u653e\u8fc7\uff0c\u5728\u81ea\u5df1\u7684hadoop\u7cfb\u7edf\u91cc\u9762\uff0c\u5f15\u5165\u4e86BigTable\uff0c\u5e76\u547d\u540d\u4e3aHBase<\/strong>\u3002<\/span><\/p>\n


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\u597d\u5427\uff0c\u53cd\u6b63\u5c31\u662f\u7d27\u8ddf<\/span>Google<\/span>\u65f6\u4ee3\u6b65\u4f10\uff0c\u4f60\u51fa\u4ec0\u4e48\uff0c\u6211\u5b66\u4ec0\u4e48\u3002<\/span><\/p>\n

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\u6240\u4ee5\uff0cHadoop\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u57fa\u672c\u4e0a\u90fd\u6709Google\u7684\u5f71\u5b50\u3002<\/span><\/p>\n

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2008\u5e741\u6708\uff0cHadoop\u6210\u529f\u4e0a\u4f4d\uff0c\u6b63\u5f0f\u6210\u4e3aApache\u57fa\u91d1\u4f1a\u7684\u9876\u7ea7\u9879\u76ee\u3002<\/span><\/p>\n

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\u540c\u5e742\u6708\uff0cYahoo\u5ba3\u5e03\u5efa\u6210\u4e86\u4e00\u4e2a\u62e5\u67091\u4e07\u4e2a\u5185\u6838\u7684Hadoop\u96c6\u7fa4\uff0c\u5e76\u5c06\u81ea\u5df1\u7684\u641c\u7d22\u5f15\u64ce\u4ea7\u54c1\u90e8\u7f72\u5728\u4e0a\u9762\u3002<\/span><\/p>\n

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7\u6708\uff0cHadoop\u6253\u7834\u4e16\u754c\u7eaa\u5f55\uff0c\u6210\u4e3a\u6700\u5feb\u6392\u5e8f1TB\u6570\u636e\u7684\u7cfb\u7edf\uff0c\u7528\u65f6209\u79d2\u3002<\/span><\/p>\n


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\u6b64\u540e\uff0cHadoop\u4fbf\u8fdb\u5165\u4e86\u9ad8\u901f\u53d1\u5c55\u671f\uff0c\u76f4\u81f3\u73b0\u5728\u3002<\/span><\/p>\n


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    <\/span><\/strong>Hadoop\u7684\u6838\u5fc3\u67b6\u6784  <\/span><\/strong><\/span>  <\/span><\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


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Hadoop\u7684\u6838\u5fc3\uff0c\u8bf4\u767d\u4e86\uff0c\u5c31\u662fHDFS\u548cMapReduce\u3002HDFS\u4e3a\u6d77\u91cf\u6570\u636e\u63d0\u4f9b\u4e86\u5b58\u50a8<\/strong>\uff0c\u800cMapReduce\u4e3a\u6d77\u91cf\u6570\u636e\u63d0\u4f9b\u4e86\u8ba1\u7b97\u6846\u67b6<\/strong>\u3002<\/span><\/p>\n


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Hadoop\u6838\u5fc3\u67b6\u6784<\/span><\/p>\n


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\u8ba9\u6211\u4eec\u6765\u4ed4\u7ec6\u770b\u770b\uff0c\u5b83\u4eec\u5206\u522b\u662f\u600e\u4e48\u5de5\u4f5c\u7684\u3002<\/span><\/p>\n

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\u9996\u5148\u770b\u770bHDFS\u3002<\/span><\/p>\n

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\u6574\u4e2aHDFS\u6709\u4e09\u4e2a\u91cd\u8981\u89d2\u8272\uff1aNameNode\uff08\u540d\u79f0\u8282\u70b9\uff09\u3001DataNode\uff08\u6570\u636e\u8282\u70b9\uff09\u548cClient\uff08\u5ba2\u6237\u673a\uff09\u3002<\/span><\/p>\n


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<\/span>\u5178\u578b\u7684\u4e3b\u4ece\u67b6\u6784\uff0c\u7528TCP\/IP\u901a\u4fe1<\/span><\/p>\n

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NameNode\uff1a<\/span><\/strong>\u662fMaster\u8282\u70b9\uff08\u4e3b\u8282\u70b9\uff09\uff0c\u53ef\u4ee5\u770b\u4f5c\u662f\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u7ba1\u7406\u8005\uff0c\u4e3b\u8981\u8d1f\u8d23\u7ba1\u7406\u6587\u4ef6\u7cfb\u7edf\u7684\u547d\u540d\u7a7a\u95f4\u3001\u96c6\u7fa4\u914d\u7f6e\u4fe1\u606f\u548c\u5b58\u50a8\u5757\u7684\u590d\u5236\u7b49\u3002NameNode\u4f1a\u5c06\u6587\u4ef6\u7cfb\u7edf\u7684Meta-data\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u8fd9\u4e9b\u4fe1\u606f\u4e3b\u8981\u5305\u62ec\u4e86\u6587\u4ef6\u4fe1\u606f\u3001\u6bcf\u4e00\u4e2a\u6587\u4ef6\u5bf9\u5e94\u7684\u6587\u4ef6\u5757\u7684\u4fe1\u606f\u548c\u6bcf\u4e00\u4e2a\u6587\u4ef6\u5757\u5728DataNode\u7684\u4fe1\u606f\u7b49\u3002<\/span><\/p>\n

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DataNode\uff1a<\/span><\/strong>\u662fSlave\u8282\u70b9\uff08\u4ece\u8282\u70b9\uff09\uff0c\u662f\u6587\u4ef6\u5b58\u50a8\u7684\u57fa\u672c\u5355\u5143\uff0c\u5b83\u5c06Block\u5b58\u50a8\u5728\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u4fdd\u5b58\u4e86Block\u7684Meta-data\uff0c\u540c\u65f6\u5468\u671f\u6027\u5730\u5c06\u6240\u6709\u5b58\u5728\u7684Block\u4fe1\u606f\u53d1\u9001\u7ed9NameNode\u3002<\/span><\/p>\n

<\/p>\n

Client\uff1a<\/span><\/strong>\u5207\u5206\u6587\u4ef6\uff1b\u8bbf\u95eeHDFS\uff1b\u4e0eNameNode\u4ea4\u4e92\uff0c\u83b7\u5f97\u6587\u4ef6\u4f4d\u7f6e\u4fe1\u606f\uff1b\u4e0eDataNode\u4ea4\u4e92\uff0c\u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e\u3002?<\/span><\/p>\n


<\/span><\/p>\n

\u8fd8\u6709\u4e00\u4e2aBlock\uff08\u5757\uff09<\/strong>\u7684\u6982\u5ff5\uff1aBlock\u662fHDFS\u4e2d\u7684\u57fa\u672c\u8bfb\u5199\u5355\u5143\uff1bHDFS\u4e2d\u7684\u6587\u4ef6\u90fd\u662f\u88ab\u5207\u5272\u4e3ablock<\/span>\uff08\u5757<\/span>\uff09\u8fdb\u884c\u5b58\u50a8\u7684\uff1b\u8fd9\u4e9b\u5757\u88ab\u590d\u5236\u5230\u591a\u4e2aDataNode\u4e2d\uff1b\u5757\u7684\u5927\u5c0f\uff08\u901a\u5e38\u4e3a64MB\uff09\u548c\u590d\u5236\u7684\u5757\u6570\u91cf\u5728\u521b\u5efa\u6587\u4ef6\u65f6\u7531Client\u51b3\u5b9a\u3002    <\/span><\/p>\n


<\/span><\/p>\n

\u6211\u4eec\u6765\u7b80\u5355\u770b\u770bHDFS\u7684\u8bfb\u5199\u6d41\u7a0b\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u9996\u5148\u662f\u5199\u5165\u6d41\u7a0b<\/strong>\uff1a<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

1 \u7528\u6237\u5411Client\uff08\u5ba2\u6237\u673a\uff09\u63d0\u51fa\u8bf7\u6c42\u3002\u4f8b\u5982\uff0c\u9700\u8981\u5199\u5165200MB\u7684\u6570\u636e\u3002<\/span><\/p>\n

2 Client\u5236\u5b9a\u8ba1\u5212\uff1a\u5c06\u6570\u636e\u6309\u716764MB\u4e3a\u5757\uff0c\u8fdb\u884c\u5207\u5272\uff1b\u6240\u6709\u7684\u5757\u90fd\u4fdd\u5b58\u4e09\u4efd\u3002<\/span><\/p>\n

3 Client\u5c06\u5927\u6587\u4ef6\u5207\u5206\u6210\u5757\uff08block\uff09\u3002<\/span><\/p>\n

4 \u9488\u5bf9\u7b2c\u4e00\u4e2a\u5757\uff0cClient\u544a\u8bc9NameNode\uff08\u4e3b\u63a7\u8282\u70b9\uff09\uff0c\u8bf7\u5e2e\u52a9\u6211\uff0c\u5c0664MB\u7684\u5757\u590d\u5236\u4e09\u4efd\u3002<\/span><\/p>\n

5 NameNode\u544a\u8bc9Client\u4e09\u4e2aDataNode\uff08\u6570\u636e\u8282\u70b9\uff09\u7684\u5730\u5740\uff0c\u5e76\u4e14\u5c06\u5b83\u4eec\u6839\u636e\u5230Client\u7684\u8ddd\u79bb\uff0c\u8fdb\u884c\u4e86\u6392\u5e8f\u3002<\/span><\/span><\/p>\n

6 Client\u628a\u6570\u636e\u548c\u6e05\u5355\u53d1\u7ed9\u7b2c\u4e00\u4e2aDataNode\u3002<\/span><\/p>\n

7 \u7b2c\u4e00\u4e2aDataNode\u5c06\u6570\u636e\u590d\u5236\u7ed9\u7b2c\u4e8c\u4e2aDataNode\u3002<\/span><\/p>\n

8 \u7b2c\u4e8c\u4e2aDataNode\u5c06\u6570\u636e\u590d\u5236\u7ed9\u7b2c\u4e09\u4e2aDataNode\u3002<\/span><\/span><\/p>\n

9 \u5982\u679c\u67d0\u4e00\u4e2a\u5757\u7684\u6240\u6709\u6570\u636e\u90fd\u5df2\u5199\u5165\uff0c\u5c31\u4f1a\u5411NameNode\u53cd\u9988\u5df2\u5b8c\u6210\u3002<\/span><\/p>\n

10 \u5bf9\u7b2c\u4e8c\u4e2aBlock\uff0c\u4e5f\u8fdb\u884c\u76f8\u540c\u7684\u64cd\u4f5c\u3002<\/span><\/p>\n

11 \u6240\u6709Block\u90fd\u5b8c\u6210\u540e\uff0c\u5173\u95ed\u6587\u4ef6\u3002NameNode\u4f1a\u5c06\u6570\u636e\u6301\u4e45\u5316\u5230\u78c1\u76d8\u4e0a\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u8bfb\u53d6\u6d41\u7a0b\uff1a<\/span><\/strong><\/p>\n


<\/span><\/strong><\/p>\n

<\/p>\n

<\/p>\n

1 \u7528\u6237\u5411Client\u63d0\u51fa\u8bfb\u53d6\u8bf7\u6c42\u3002<\/span><\/p>\n

2 Client\u5411NameNode\u8bf7\u6c42\u8fd9\u4e2a\u6587\u4ef6\u7684\u6240\u6709\u4fe1\u606f\u3002<\/span><\/p>\n

3 NameNode\u5c06\u7ed9Client\u8fd9\u4e2a\u6587\u4ef6\u7684\u5757\u5217\u8868\uff0c\u4ee5\u53ca\u5b58\u50a8\u5404\u4e2a\u5757\u7684\u6570\u636e\u8282\u70b9\u6e05\u5355\uff08\u6309\u7167\u548c\u5ba2\u6237\u7aef\u7684\u8ddd\u79bb\u6392\u5e8f\uff09\u3002<\/span><\/p>\n

4 Client\u4ece\u8ddd\u79bb\u6700\u8fd1\u7684\u6570\u636e\u8282\u70b9\u4e0b\u8f7d\u6240\u9700\u7684\u5757\u3002<\/span><\/p>\n


<\/span><\/p>\n

\uff08\u6ce8\u610f\uff1a\u4ee5\u4e0a\u53ea\u662f\u7b80\u5316\u7684\u63cf\u8ff0\uff0c\u5b9e\u9645\u8fc7\u7a0b\u4f1a\u66f4\u52a0\u590d\u6742\u3002<\/span>\uff09<\/span><\/p>\n


<\/span><\/p>\n

\u518d\u6765\u770bMapReduce\u3002<\/span><\/p>\n

<\/p>\n

MapReduce\u5176\u5b9e\u662f\u4e00\u79cd\u7f16\u7a0b\u6a21\u578b\u3002\u8fd9\u4e2a\u6a21\u578b\u7684\u6838\u5fc3\u6b65\u9aa4\u4e3b\u8981\u5206\u4e24\u90e8\u5206\uff1aMap\uff08\u6620\u5c04\uff09<\/strong>\u548cReduce\uff08\u5f52\u7ea6\uff09<\/strong>\u3002<\/span><\/p>\n

<\/p>\n

\u5f53\u4f60\u5411MapReduce\u6846\u67b6\u63d0\u4ea4\u4e00\u4e2a\u8ba1\u7b97\u4f5c\u4e1a\u65f6\uff0c\u5b83\u4f1a\u9996\u5148\u628a\u8ba1\u7b97\u4f5c\u4e1a\u62c6\u5206\u6210\u82e5\u5e72\u4e2aMap\u4efb\u52a1<\/strong>\uff0c\u7136\u540e\u5206\u914d\u5230\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\u53bb\u6267\u884c\uff0c\u6bcf\u4e00\u4e2aMap\u4efb\u52a1\u5904\u7406\u8f93\u5165\u6570\u636e\u4e2d\u7684\u4e00\u90e8\u5206\uff0c\u5f53Map\u4efb\u52a1\u5b8c\u6210\u540e\uff0c\u5b83\u4f1a\u751f\u6210\u4e00\u4e9b\u4e2d\u95f4\u6587\u4ef6\uff0c\u8fd9\u4e9b\u4e2d\u95f4\u6587\u4ef6\u5c06\u4f1a\u4f5c\u4e3aReduce\u4efb\u52a1<\/strong>\u7684\u8f93\u5165\u6570\u636e\u3002Reduce\u4efb\u52a1\u7684\u4e3b\u8981\u76ee\u6807\u5c31\u662f\u628a\u524d\u9762\u82e5\u5e72\u4e2aMap\u7684\u8f93\u51fa\u6c47\u603b\u5230\u4e00\u8d77\u5e76\u8f93\u51fa\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

\u662f\u4e0d\u662f\u6709\u70b9\u6655\uff1f\u6211\u4eec\u6765\u4e3e\u4e2a\u4f8b\u5b50\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

\u4e0a\u56fe\u662f\u4e00\u4e2a\u7edf\u8ba1\u8bcd\u9891\u7684\u4efb\u52a1\u3002<\/span><\/p>\n

<\/p>\n

1 Hadoop\u5c06\u8f93\u5165\u6570\u636e\u5207\u6210\u82e5\u5e72\u4e2a\u5206\u7247\uff0c\u5e76\u5c06\u6bcf\u4e2asplit\uff08\u5206\u5272\uff09\u4ea4\u7ed9\u4e00\u4e2amap task\uff08Map\u4efb\u52a1\uff09\u5904\u7406\u3002<\/span><\/p>\n

2 Mapping\u4e4b\u540e\uff0c\u76f8\u5f53\u4e8e\u5f97\u51fa\u8fd9\u4e2atask\u91cc\u9762\uff0c\u6bcf\u4e2a\u8bcd\u4ee5\u53ca\u5b83\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/span><\/p>\n

3 shuffle\uff08\u62d6\u79fb<\/span>\uff09\u5c06\u76f8\u540c\u7684\u8bcd\u653e\u5728\u4e00\u8d77\uff0c\u5e76\u5bf9\u5b83\u4eec\u8fdb\u884c\u6392\u5e8f\uff0c\u5206\u6210\u82e5\u5e72\u4e2a\u5206\u7247\u3002<\/span><\/p>\n

4 \u6839\u636e\u8fd9\u4e9b\u5206\u7247\uff0c\u8fdb\u884creduce\uff08\u5f52\u7ea6\uff09\u3002<\/span><\/p>\n

5 \u7edf\u8ba1\u51fareduce task\u7684\u7ed3\u679c\uff0c\u8f93\u51fa\u5230\u6587\u4ef6\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u5982\u679c\u8fd8\u662f\u6ca1\u660e\u767d\u7684\u5427\uff0c\u518d\u4e3e\u4e00\u4e2a\u4f8b\u5b50\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u4e00\u4e2a\u8001\u5e08\u6709100\u4efd\u8bd5\u5377\u8981\u9605\u5377\u3002\u4ed6\u627e\u67655\u4e2a\u5e2e\u624b\uff0c\u6254\u7ed9<\/span>\u6bcf\u4e2a\u5e2e\u624b20\u4efd\u8bd5\u5377\u3002\u5e2e\u624b\u5404\u81ea\u9605\u5377\u3002\u6700\u540e\uff0c\u5e2e\u624b\u4eec\u5c06\u6210\u7ee9\u6c47\u603b<\/span>\u7ed9\u8001\u5e08\u3002\u5f88\u7b80\u5355\u4e86\u5427\uff1f<\/span><\/p>\n

<\/p>\n

MapReduce\u8fd9\u4e2a\u6846\u67b6\u6a21\u578b\uff0c\u6781\u5927\u5730\u65b9\u4fbf\u4e86\u7f16\u7a0b\u4eba\u5458\u5728\u4e0d\u4f1a\u5206\u5e03\u5f0f\u5e76\u884c\u7f16\u7a0b\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u81ea\u5df1\u7684\u7a0b\u5e8f\u8fd0\u884c\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e0a\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u54e6\uff0c\u5dee\u70b9\u5fd8\u4e86\uff0c\u5728MapReduce\u91cc\uff0c\u4e3a\u4e86\u5b8c\u6210\u4e0a\u9762\u8fd9\u4e9b\u8fc7\u7a0b\uff0c\u9700\u8981\u4e24\u4e2a\u89d2\u8272\uff1aJobTracker<\/strong>\u548cTaskTracker<\/strong>\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

JobTracker\u7528\u4e8e\u8c03\u5ea6\u548c\u7ba1\u7406\u5176\u5b83\u7684TaskTracker\u3002JobTracker<\/span>\u53ef\u4ee5\u8fd0\u884c\u4e8e\u96c6\u7fa4\u4e2d\u4efb\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\u3002TaskTracker \u8d1f\u8d23\u6267\u884c\u4efb\u52a1\uff0c\u5fc5\u987b\u8fd0\u884c\u4e8e DataNode \u4e0a\u3002<\/span><\/p>\n


<\/span><\/p>\n


<\/p>\n

<\/p>\n

\n
\n
\n
\n

    <\/span><\/strong>1.0\u7248\u672c\u4e0e2.0\u7248\u672c  <\/span><\/strong><\/span>  <\/span><\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


<\/p>\n

<\/p>\n

2011\u5e7411\u6708\uff0cHadoop 1.0.0\u7248\u672c\u6b63\u5f0f\u53d1\u5e03\uff0c\u610f\u5473\u7740\u53ef\u4ee5\u7528\u4e8e\u5546\u4e1a\u5316\u3002<\/span><\/p>\n

<\/p>\n

\u4f46\u662f\uff0c1.0\u7248\u672c\u4e2d\uff0c\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\uff1a<\/span><\/p>\n

1 \u6269\u5c55\u6027\u5dee\uff0cJobTracker\u8d1f\u8f7d\u8f83\u91cd\uff0c\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u3002<\/span><\/p>\n

2 \u53ef\u9760\u6027\u5dee\uff0cNameNode\u53ea\u6709\u4e00\u4e2a\uff0c\u4e07\u4e00\u6302\u6389\uff0c\u6574\u4e2a\u7cfb\u7edf\u5c31\u4f1a\u5d29\u6e83\u3002<\/span><\/p>\n

3 \u4ec5\u9002\u7528MapReduce\u4e00\u79cd\u8ba1\u7b97\u65b9\u5f0f\u3002<\/span><\/p>\n

4 \u8d44\u6e90\u7ba1\u7406\u7684\u6548\u7387\u6bd4\u8f83\u4f4e\u3002<\/span><\/p>\n

<\/p>\n

\u6240\u4ee5\uff0c2012\u5e745\u6708\uff0cHadoop\u63a8\u51fa\u4e86 2.0\u7248\u672c <\/strong>\u3002<\/span><\/p>\n

<\/p>\n

2.0\u7248\u672c\u4e2d\uff0c\u5728HDFS\u4e4b\u4e0a\uff0c\u589e\u52a0\u4e86YARN\uff08\u8d44\u6e90\u7ba1\u7406\u6846\u67b6\uff09<\/strong>\u5c42\u3002\u5b83\u662f\u4e00\u4e2a\u8d44\u6e90\u7ba1\u7406\u6a21\u5757\uff0c\u4e3a\u5404\u7c7b\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u8d44\u6e90\u7ba1\u7406\u548c\u8c03\u5ea6\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

\u6b64\u5916\uff0c2.0\u7248\u672c\u8fd8\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u5b89\u5168\u7a33\u5b9a\u6027\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u6240\u4ee5\uff0c\u540e\u6765\u884c\u4e1a\u91cc\u57fa\u672c\u4e0a\u90fd\u662f\u4f7f\u75282.0\u7248\u672c\u3002\u76ee\u524dHadoop\u53c8\u8fdb\u4e00\u6b65\u53d1\u5c55\u52303.X\u7248\u672c\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n


<\/p>\n

\n
\n
\n
\n

   <\/span><\/strong>Hadoop\u7684\u751f\u6001\u5708<\/span><\/strong><\/span> <\/span><\/strong><\/span> <\/span><\/strong><\/span>  <\/span><\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


<\/p>\n

<\/p>\n

\u7ecf\u8fc7\u65f6\u95f4\u7684\u7d2f\u79ef\uff0cHadoop\u5df2\u7ecf\u4ece\u6700\u5f00\u59cb\u7684\u4e24\u4e09\u4e2a\u7ec4\u4ef6\uff0c\u53d1\u5c55\u6210\u4e00\u4e2a\u62e5\u670920\u591a\u4e2a\u90e8\u4ef6\u7684\u751f\u6001\u7cfb\u7edf\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

\u5728\u6574\u4e2aHadoop\u67b6\u6784\u4e2d\uff0c\u8ba1\u7b97\u6846\u67b6\u8d77\u5230\u627f\u4e0a\u542f\u4e0b\u7684\u4f5c\u7528\uff0c\u4e00\u65b9\u9762\u53ef\u4ee5\u64cd\u4f5cHDFS\u4e2d\u7684\u6570\u636e\uff0c\u53e6\u4e00\u65b9\u9762\u53ef\u4ee5\u88ab\u5c01\u88c5\uff0c\u63d0\u4f9bHive\u3001Pig\u8fd9\u6837\u7684\u4e0a\u5c42\u7ec4\u4ef6\u7684\u8c03\u7528\u3002<\/span><\/p>\n

<\/p>\n

\u6211\u4eec\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0b\u5176\u4e2d\u51e0\u4e2a\u6bd4\u8f83\u91cd\u8981\u7684\u7ec4\u4ef6\u3002<\/span><\/p>\n


<\/span><\/p>\n

HBase<\/span><\/strong>\uff1a\u6765\u6e90\u4e8eGoogle\u7684BigTable\uff1b\u662f\u4e00\u4e2a\u9ad8\u53ef\u9760\u6027\u3001\u9ad8\u6027\u80fd\u3001\u9762\u5411\u5217\u3001\u53ef\u4f38\u7f29\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u3002<\/span><\/p>\n

<\/p>\n

Hive<\/span><\/strong>\uff1a\u662f\u4e00\u4e2a\u6570\u636e\u4ed3\u5e93\u5de5\u5177\uff0c\u53ef\u4ee5\u5c06\u7ed3\u6784\u5316\u7684\u6570\u636e\u6587\u4ef6\u6620\u5c04\u4e3a\u4e00\u5f20\u6570\u636e\u5e93\u8868\uff0c\u901a\u8fc7\u7c7bSQL\u8bed\u53e5\u5feb\u901f\u5b9e\u73b0\u7b80\u5355\u7684MapReduce\u7edf\u8ba1\uff0c\u4e0d\u5fc5\u5f00\u53d1\u4e13\u95e8\u7684MapReduce\u5e94\u7528\uff0c\u5341\u5206\u9002\u5408\u6570\u636e\u4ed3\u5e93\u7684\u7edf\u8ba1\u5206\u6790\u3002<\/span><\/p>\n


<\/span><\/p>\n

Pig<\/span><\/strong>\uff1a\u662f\u4e00\u4e2a\u57fa\u4e8eHadoop\u7684\u5927\u89c4\u6a21\u6570\u636e\u5206\u6790\u5de5\u5177\uff0c\u5b83\u63d0\u4f9b\u7684SQL-LIKE\u8bed\u8a00\u53ebPig Latin\uff0c\u8be5\u8bed\u8a00\u7684\u7f16\u8bd1\u5668\u4f1a\u628a\u7c7bSQL\u7684\u6570\u636e\u5206\u6790\u8bf7\u6c42\u8f6c\u6362\u4e3a\u4e00\u7cfb\u5217\u7ecf\u8fc7\u4f18\u5316\u5904\u7406\u7684MapReduce\u8fd0\u7b97\u3002<\/span><\/p>\n


<\/span><\/p>\n

ZooKeeper<\/span><\/strong>\uff1a\u6765\u6e90\u4e8eGoogle\u7684Chubby\uff1b\u5b83\u4e3b\u8981\u662f\u7528\u6765\u89e3\u51b3\u5206\u5e03\u5f0f\u5e94\u7528\u4e2d\u7ecf\u5e38\u9047\u5230\u7684\u4e00\u4e9b\u6570\u636e\u7ba1\u7406\u95ee\u9898\uff0c\u7b80\u5316\u5206\u5e03\u5f0f\u5e94\u7528\u534f\u8c03\u53ca\u5176\u7ba1\u7406\u7684\u96be\u5ea6\u3002<\/span><\/p>\n


<\/span><\/p>\n

Ambari<\/span><\/strong>\uff1aHadoop\u7ba1\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u5feb\u6377\u5730\u76d1\u63a7\u3001\u90e8\u7f72\u3001\u7ba1\u7406\u96c6\u7fa4\u3002<\/span><\/p>\n


<\/span><\/p>\n

Sqoop<\/span><\/strong>\uff1a\u7528\u4e8e\u5728Hadoop\u4e0e\u4f20\u7edf\u7684\u6570\u636e\u5e93\u95f4\u8fdb\u884c\u6570\u636e\u7684\u4f20\u9012\u3002<\/span><\/p>\n


<\/span><\/p>\n

Mahout<\/span><\/strong>\uff1a\u4e00\u4e2a\u53ef\u6269\u5c55\u7684\u673a\u5668\u5b66\u4e60\u548c\u6570\u636e\u6316\u6398\u5e93\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u518d\u4e0a\u4e00\u5f20\u56fe\uff0c\u53ef\u80fd\u770b\u5f97\u66f4\u76f4\u89c2\u4e00\u70b9\uff1a<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n


<\/p>\n

<\/p>\n

\n
\n
\n
\n

    <\/span><\/strong>Hadoop\u7684\u4f18\u70b9\u548c\u5e94\u7528  <\/span><\/strong><\/span>  <\/span><\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


<\/p>\n


<\/p>\n

\u603b\u7684\u6765\u770b\uff0cHadoop\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/span><\/p>\n


<\/span><\/p>\n

\u9ad8\u53ef\u9760\u6027<\/span><\/strong>\uff1a\u8fd9\u4e2a\u662f\u7531\u5b83\u7684\u57fa\u56e0\u51b3\u5b9a\u7684\u3002\u5b83\u7684\u57fa\u56e0\u6765\u81eaGoogle\u3002Google\u6700\u64c5\u957f\u7684\u4e8b\u60c5\uff0c\u5c31\u662f\u201c\u5783\u573e\u5229\u7528\u201d\u3002Google\u8d77\u5bb6\u7684\u65f6\u5019\u5c31\u662f\u7a77\uff0c\u4e70\u4e0d\u8d77\u9ad8\u7aef\u670d\u52a1\u5668\uff0c\u6240\u4ee5\uff0c\u7279\u522b\u559c\u6b22\u5728\u666e\u901a\u7535\u8111\u4e0a\u90e8\u7f72\u8fd9\u79cd\u5927\u578b\u7cfb\u7edf\u3002\u867d\u7136\u786c\u4ef6\u4e0d\u53ef\u9760\uff0c\u4f46\u662f\u7cfb\u7edf\u975e\u5e38\u53ef\u9760\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u9ad8\u6269\u5c55\u6027<\/span><\/strong>\uff1aHadoop\u662f\u5728\u53ef\u7528\u7684\u8ba1\u7b97\u673a\u96c6\u7fa4\u95f4\u5206\u914d\u6570\u636e\u5e76\u5b8c\u6210\u8ba1\u7b97\u4efb\u52a1\u7684\uff0c\u8fd9\u4e9b\u96c6\u7fa4\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6269\u5c55\u3002\u8bf4\u767d\u4e86\uff0c\u60f3\u53d8\u5927\u5f88\u5bb9\u6613\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u9ad8\u6548\u6027<\/span><\/strong>\uff1aHadoop\u80fd\u591f\u5728\u8282\u70b9\u4e4b\u95f4\u52a8\u6001\u5730\u79fb\u52a8\u6570\u636e\uff0c\u5e76\u4fdd\u8bc1\u5404\u4e2a\u8282\u70b9\u7684\u52a8\u6001\u5e73\u8861\uff0c\u56e0\u6b64\u5904\u7406\u901f\u5ea6\u975e\u5e38\u5feb\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u9ad8\u5bb9\u9519\u6027<\/span><\/strong>\uff1aHadoop\u80fd\u591f\u81ea\u52a8\u4fdd\u5b58\u6570\u636e\u7684\u591a\u4e2a\u526f\u672c\uff0c\u5e76\u4e14\u80fd\u591f\u81ea\u52a8\u5c06\u5931\u8d25\u7684\u4efb\u52a1\u91cd\u65b0\u5206\u914d\u3002\u8fd9\u4e2a\u5176\u5b9e\u4e5f\u7b97\u662f\u9ad8\u53ef\u9760\u6027\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u4f4e\u6210\u672c<\/span><\/strong>\uff1aHadoop\u662f\u5f00\u6e90\u7684\uff0c\u4f9d\u8d56\u4e8e\u793e\u533a\u670d\u52a1\uff0c\u4f7f\u7528\u6210\u672c\u6bd4\u8f83\u4f4e\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u57fa\u4e8e\u8fd9\u4e9b\u4f18\u70b9\uff0cHadoop\u9002\u5408\u5e94\u7528\u4e8e\u5927\u6570\u636e\u5b58\u50a8\u548c\u5927\u6570\u636e\u5206\u6790\u7684\u5e94\u7528\uff0c\u9002\u5408\u4e8e\u670d\u52a1\u5668\u51e0\u5343\u53f0\u5230\u51e0\u4e07\u53f0\u7684\u96c6\u7fa4\u8fd0\u884c\uff0c\u652f\u6301PB\u7ea7\u7684\u5b58\u50a8\u5bb9\u91cf\u3002<\/span>
<\/span><\/p>\n

<\/p>\n

Hadoop\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u5305\u62ec\uff1a\u641c\u7d22\u3001\u65e5\u5fd7\u5904\u7406\u3001\u63a8\u8350\u7cfb\u7edf\u3001\u6570\u636e\u5206\u6790\u3001\u89c6\u9891\u56fe\u50cf\u5206\u6790\u3001\u6570\u636e\u4fdd\u5b58\u7b49<\/strong>\uff0c\u90fd\u53ef\u4ee5\u4f7f\u7528\u5b83\u8fdb\u884c\u90e8\u7f72\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

\u76ee\u524d\uff0c\u5305\u62ecYahoo\u3001IBM\u3001Facebook\u3001\u4e9a\u9a6c\u900a\u3001\u963f\u91cc\u5df4\u5df4\u3001\u534e\u4e3a\u3001\u767e\u5ea6\u3001\u817e\u8baf\u7b49\u516c\u53f8\uff0c\u90fd\u91c7\u7528Hadoop\u6784\u5efa\u81ea\u5df1\u7684\u5927\u6570\u636e\u7cfb\u7edf\u3002<\/span><\/p>\n

<\/p>\n

\u9664\u4e86\u4e0a\u8ff0\u5927\u578b\u4f01\u4e1a\u5c06Hadoop\u6280\u672f\u8fd0\u7528\u5728\u81ea\u8eab\u7684\u670d\u52a1\u4e2d\u5916\uff0c\u4e00\u4e9b\u63d0\u4f9bHadoop\u89e3\u51b3\u65b9\u6848\u7684\u5546\u4e1a\u578b\u516c\u53f8\u4e5f\u7eb7\u7eb7\u8ddf\u8fdb\uff0c\u5229\u7528\u81ea\u8eab\u6280\u672f\u5bf9Hadoop\u8fdb\u884c\u4f18\u5316\u3001\u6539\u8fdb\u3001\u4e8c\u6b21\u5f00\u53d1\u7b49\uff0c\u7136\u540e\u5bf9\u5916\u63d0\u4f9b\u5546\u4e1a\u670d\u52a1\u3002<\/span><\/p>\n

<\/p>\n

\u6bd4\u8f83\u77e5\u540d\u7684\uff0c\u662fCloudera\u516c\u53f8\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

\u5b83\u521b\u529e\u4e8e2008\u5e74\uff0c\u4e13\u4e1a\u4ece\u4e8b\u57fa\u4e8eHadoop\u7684\u6570\u636e\u7ba1\u7406\u8f6f\u4ef6\u9500\u552e\u548c\u670d\u52a1\uff0c\u8fd8\u63d0\u4f9bHadoop\u76f8\u5173\u7684\u652f\u6301\u3001\u54a8\u8be2\u3001\u57f9\u8bad\u7b49\u670d\u52a1\uff0c<\/span>\u6709\u70b9\u7c7b\u4f3c\u4e8eRedHat\u5728Linux\u4e16\u754c\u4e2d\u7684\u89d2\u8272\u3002\u524d\u9762\u6211\u4eec\u63d0\u5230\u7684Hadoop\u4e4b\u7236\uff0c<\/span>Doug Cutting\uff0c\u90fd\u88ab\u8fd9\u5bb6\u516c\u53f8\u8058\u8bf7\u4e3a\u9996\u5e2d\u67b6\u6784\u5e08\u3002<\/span><\/p>\n


<\/span><\/p>\n


<\/span><\/p>\n


<\/p>\n

\n
\n
\n
\n

    <\/span><\/strong>Hadoop\u548cSpark  <\/span><\/strong><\/span>  <\/span><\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


<\/p>\n


<\/p>\n

\u6700\u540e\uff0c\u6211\u518d\u4ecb\u7ecd\u4e00\u4e0b\u5927\u5bb6\u5173\u5fc3\u7684Spark\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

Spark\u540c\u6837\u662fApache\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u9876\u7ea7\u9879\u76ee\u3002\u5b83\u53ef\u4ee5\u7406\u89e3\u4e3a\u5728Hadoop\u57fa\u7840\u4e0a\u7684\u4e00\u79cd\u6539\u8fdb\u3002<\/span><\/p>\n

<\/p>\n

\u5b83\u662f\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821AMP\u5b9e\u9a8c\u5ba4<\/strong>\u6240\u5f00\u6e90\u7684\u7c7bHadoop MapReduce\u7684\u901a\u7528\u5e76\u884c\u6846\u67b6\u3002\u76f8\u5bf9\u6bd4Hadoop\uff0c\u5b83\u53ef\u4ee5\u8bf4\u662f\u9752\u51fa\u4e8e\u84dd\u800c\u80dc\u4e8e\u84dd\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

\u524d\u9762\u6211\u4eec\u8bf4\u4e86\uff0cMapReduce\u662f\u9762\u5411\u78c1\u76d8\u7684<\/strong>\u3002\u56e0\u6b64\uff0c\u53d7\u9650\u4e8e\u78c1\u76d8\u8bfb\u5199\u6027\u80fd\u7684\u7ea6\u675f\uff0cMapReduce\u5728\u5904\u7406\u8fed\u4ee3\u8ba1\u7b97\u3001\u5b9e\u65f6\u8ba1\u7b97\u3001\u4ea4\u4e92\u5f0f\u6570\u636e\u67e5\u8be2\u7b49\u65b9\u9762\u5e76\u4e0d\u9ad8\u6548\u3002\u4f46\u662f\uff0c\u8fd9\u4e9b\u8ba1\u7b97\u5374\u5728\u56fe\u8ba1\u7b97\u3001\u6570\u636e\u6316\u6398\u548c\u673a\u5668\u5b66\u4e60<\/strong>\u7b49\u76f8\u5173\u5e94\u7528\u9886\u57df\u4e2d\u975e\u5e38\u5e38\u89c1\u3002<\/span><\/p>\n

<\/p>\n

\u800cSpark\u662f\u9762\u5411\u5185\u5b58\u7684<\/strong>\u3002\u8fd9\u4f7f\u5f97Spark\u80fd\u591f\u4e3a\u591a\u4e2a\u4e0d\u540c\u6570\u636e\u6e90\u7684\u6570\u636e\u63d0\u4f9b\u8fd1\u4e4e\u5b9e\u65f6\u7684\u5904\u7406\u6027\u80fd\uff0c\u9002\u7528\u4e8e\u9700\u8981\u591a\u6b21\u64cd\u4f5c\u7279\u5b9a\u6570\u636e\u96c6\u7684\u5e94\u7528\u573a\u666f\u3002<\/span><\/p>\n

<\/p>\n

\u5728\u76f8\u540c\u7684\u5b9e\u9a8c\u73af\u5883\u4e0b\u5904\u7406\u76f8\u540c\u7684\u6570\u636e\uff0c<\/span>\u82e5\u5728\u5185\u5b58\u4e2d\u8fd0\u884c\uff0c\u90a3\u4e48Spark\u8981\u6bd4MapReduce\u5feb100\u500d<\/strong><\/span>\u3002\u5176\u5b83\u65b9\u9762\uff0c\u4f8b\u5982\u5904\u7406\u8fed\u4ee3\u8fd0\u7b97\u3001\u8ba1\u7b97\u6570\u636e\u5206\u6790\u7c7b\u62a5\u8868\u3001\u6392\u5e8f\u7b49\uff0cSpark\u90fd\u6bd4MapReduce\u5feb\u5f88\u591a\u3002<\/span><\/p>\n

<\/p>\n

\u6b64\u5916\uff0cSpark\u5728\u6613\u7528\u6027\u3001\u901a\u7528\u6027\u7b49\u65b9\u9762\uff0c\u4e5f\u6bd4Hadoop\u66f4\u5f3a\u3002<\/span><\/p>\n

<\/p>\n

\u6240\u4ee5\uff0cSpark\u7684\u98ce\u5934\uff0c\u5df2\u7ecf\u76d6\u8fc7\u4e86Hadoop\u3002<\/span><\/p>\n

<\/p>\n


<\/p>\n

<\/p>\n

\n
\n
\n
\n

    <\/span><\/strong>\u7ed3\u8bed  <\/span><\/strong><\/span>  <\/span><\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


<\/p>\n


<\/p>\n

\u4ee5\u4e0a\uff0c\u5c31\u662f\u5c0f\u67a3\u541b\u5173\u4e8e\u5927\u6570\u636e\u76f8\u5173\u6280\u672f\u7684\u4ecb\u7ecd\u3002<\/span><\/p>\n

<\/p>\n

\u5c0f\u67a3\u541b\u4e2a\u4eba\u89c9\u5f97\uff0c\u76f8\u6bd4\u4e8e\u4e91\u8ba1\u7b97\u6280\u672f\u6765\u8bf4\uff0c\u5927\u6570\u636e\u7684\u5e94\u7528\u8303\u56f4\u6bd4\u8f83\u6709\u9650\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u7684\u516c\u53f8\u90fd\u9002\u7528\uff0c\u4e5f\u4e0d\u662f\u6240\u6709\u7684\u4e1a\u52a1\u573a\u666f\u90fd\u9002\u7528\uff0c\u6ca1\u6709\u5fc5\u8981\u8ddf\u98ce\u8ffd\u6367\uff0c\u66f4\u4e0d\u80fd\u76f2\u76ee\u4e0a\u9a6c\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u5bfe\u4e8e\u4e2a\u4eba\u6765\u8bf4\uff0c\u5927\u6570\u636e\u7cfb\u7edf\u7684\u67b6\u6784\u975e\u5e38\u5e9e\u5927\uff0c\u5185\u5bb9\u4e5f\u975e\u5e38\u590d\u6742\uff0c\u5165\u95e8\u8d77\u6765\u4f1a\u6bd4\u8f83\u5403\u529b\uff08\u5b9e\u8df5\u7ec3\u4e60\u5012\u662f\u95e8\u69db\u5f88\u4f4e\uff0c\u51e0\u53f0\u7535\u8111\u8db3\u77e3\uff09\u3002<\/span>\u6240\u4ee5\uff0c\u5982\u679c\u4e0d\u662f\u7279\u522b\u6e34\u671b\u671d\u8fd9\u4e2a\u65b9\u5411\u53d1\u5c55\uff0c\u53ef\u4ee5\u4e0d\u5fc5\u6025\u4e8e\u5b66\u4e60\u5b83\u3002\u6216\u8005\u8bf4\uff0c\u53ef\u4ee5\u5148\u8fdb\u884c\u521d\u6b65\u7684\u4e86\u89e3\uff0c\u540e\u7eed\u5982\u679c\u771f\u7684\u8981\u4ece\u4e8b\u76f8\u5173\u7684\u5de5\u4f5c\uff0c\u518d\u8fdb\u884c\u6df1\u5165\u5b66\u4e60\u4e5f\u4e0d\u8fdf\u3002<\/span><\/p>\n

<\/p>\n

\u597d\u5566\uff0c\u4eca\u5929\u5c31\u5230\u8fd9\u91cc\uff0c\u611f\u8c22\u5927\u5bb6\u7684\u8010\u5fc3\u89c2\u770b\uff0c\u6211\u4eec\u4e0b\u671f\u518d\u89c1\uff01<\/span><\/p>\n

<\/p>\n

<\/p>\n

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