{"id":1292,"date":"2023-03-19T07:22:22","date_gmt":"2023-03-18T23:22:22","guid":{"rendered":"http:\/\/viplao.com\/?p=1292"},"modified":"2023-03-19T07:23:54","modified_gmt":"2023-03-18T23:23:54","slug":"%e3%80%90%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7%e3%80%91%e4%b8%80%e6%96%87%e6%90%9e%e6%87%82-hadoop-%e7%94%9f%e6%80%81%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%bb%84%e4%bb%b6","status":"publish","type":"post","link":"http:\/\/viplao.com\/index.php\/2023\/03\/19\/%e3%80%90%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7%e3%80%91%e4%b8%80%e6%96%87%e6%90%9e%e6%87%82-hadoop-%e7%94%9f%e6%80%81%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%bb%84%e4%bb%b6\/","title":{"rendered":"\u3010\u8fd0\u7ef4\u5de5\u5177\u3011\u4e00\u6587\u641e\u61c2 Hadoop \u751f\u6001\u7cfb\u7edf\u7684\u7ec4\u4ef6"},"content":{"rendered":"\n<p><strong>Hadoop\u6982\u8ff0<\/strong><\/p>\n\n\n\n<p>Hadoop\u4f53\u7cfb\u4e5f\u662f\u4e00\u4e2a\u8ba1\u7b97\u6846\u67b6\uff0c\u5728\u8fd9\u4e2a\u6846\u67b6\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u79cd\u7b80\u5355\u7684\u7f16\u7a0b\u6a21\u5f0f\uff0c\u901a\u8fc7\u591a\u53f0\u8ba1\u7b97\u673a\u6784\u6210\u7684\u96c6\u7fa4\uff0c\u5206\u5e03\u5f0f\u5904\u7406\u5927\u6570\u636e\u96c6\u3002Hadoop\u662f\u53ef\u6269\u5c55\u7684\uff0c\u5b83\u53ef\u4ee5\u65b9\u4fbf\u5730\u4ece\u5355\u4e00\u670d\u52a1\u5668\u6269\u5c55\u5230\u6570\u5343\u53f0\u670d\u52a1\u5668\uff0c\u6bcf\u53f0\u670d\u52a1\u5668\u8fdb\u884c\u672c\u5730\u8ba1\u7b97\u548c\u5b58\u50a8\u3002\u9664\u4e86\u4f9d\u8d56\u4e8e\u786c\u4ef6\u4ea4\u4ed8\u7684\u9ad8\u53ef\u7528\u6027\uff0c\u8f6f\u4ef6\u5e93\u672c\u8eab\u4e5f\u63d0\u4f9b\u6570\u636e\u4fdd\u62a4\uff0c\u5e76\u53ef\u4ee5\u5728\u5e94\u7528\u5c42\u505a\u5931\u8d25\u5904\u7406\uff0c\u4ece\u800c\u5728\u8ba1\u7b97\u673a\u96c6\u7fa4\u7684\u9876\u5c42\u63d0\u4f9b\u9ad8\u53ef\u7528\u670d\u52a1\u3002Hadoop\u6838\u5fc3\u751f\u6001\u5708\u7ec4\u4ef6\u5982\u56fe1\u6240\u793a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic2.zhimg.com\/80\/v2-4631e613591e8da92ac6fb667d727761_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u56fe1\u3000Haddoop\u5f00\u6e90\u751f\u6001<\/p>\n\n\n\n<p><strong>02<\/strong><\/p>\n\n\n\n<p><strong>Hadoop\u751f\u6001\u5708<\/strong><\/p>\n\n\n\n<p><strong>Hadoop\u5305\u62ec\u4ee5\u4e0b4\u4e2a\u57fa\u672c\u6a21\u5757\u3002<\/strong><\/p>\n\n\n\n<p><strong>1\uff09Hadoop\u57fa\u7840\u529f\u80fd\u5e93\uff1a<\/strong>\u652f\u6301\u5176\u4ed6Hadoop\u6a21\u5757\u7684\u901a\u7528\u7a0b\u5e8f\u5305\u3002<\/p>\n\n\n\n<p><strong>2\uff09HDFS\uff1a<\/strong>\u4e00\u4e2a\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff0c\u80fd\u591f\u4ee5\u9ad8\u541e\u5410\u91cf\u8bbf\u95ee\u5e94\u7528\u4e2d\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p><strong>3\uff09YARN\uff1a<\/strong>\u4e00\u4e2a\u4f5c\u4e1a\u8c03\u5ea6\u548c\u8d44\u6e90\u7ba1\u7406\u6846\u67b6\u3002<\/p>\n\n\n\n<p><strong>4\uff09MapReduce\uff1a<\/strong>\u4e00\u4e2a\u57fa\u4e8eYARN\u7684\u5927\u6570\u636e\u5e76\u884c\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u57fa\u672c\u6a21\u5757\uff0c<strong>Hadoop\u8fd8\u5305\u62ec\u4ee5\u4e0b\u9879\u76ee\u3002<\/strong><\/p>\n\n\n\n<p><strong>1\uff09Ambari\uff1a<\/strong>\u57fa\u4e8eWeb\uff0c\u7528\u4e8e\u914d\u7f6e\u3001\u7ba1\u7406\u548c\u76d1\u63a7Hadoop\u96c6\u7fa4\u3002\u652f\u6301HDFS\u3001MapReduce\u3001Hive\u3001HCatalog\u3001HBase\u3001ZooKeeper\u3001Oozie\u3001Pig\u548cSqoop\u3002Ambari\u8fd8\u63d0\u4f9b\u663e\u793a\u96c6\u7fa4\u5065\u5eb7\u72b6\u51b5\u7684\u4eea\u8868\u76d8\uff0c\u5982\u70ed\u70b9\u56fe\u7b49\u3002Ambari\u4ee5\u56fe\u5f62\u5316\u7684\u65b9\u5f0f\u67e5\u770bMapReduce\u3001Pig\u548cHive\u5e94\u7528\u7a0b\u5e8f\u7684\u8fd0\u884c\u60c5\u51b5\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u5bf9\u7528\u6237\u53cb\u597d\u7684\u65b9\u5f0f\u8bca\u65ad\u5e94\u7528\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n\n\n\n<p><strong>2\uff09Avro\uff1a<\/strong>\u6570\u636e\u5e8f\u5217\u5316\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p><strong>3\uff09Cassandra\uff1a<\/strong>\u53ef\u6269\u5c55\u7684\u3001\u65e0\u5355\u70b9\u6545\u969c\u7684NoSQL\u591a\u4e3b\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<p><strong>4\uff09Chukwa\uff1a<\/strong>\u7528\u4e8e\u5927\u578b\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p><strong>5\uff09HBase\uff1a<\/strong>\u53ef\u6269\u5c55\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\uff0c\u652f\u6301\u5927\u8868\u7684\u7ed3\u6784\u5316\u6570\u636e\u5b58\u50a8\u3002<\/p>\n\n\n\n<p><strong>6\uff09Hive\uff1a<\/strong>\u6570\u636e\u4ed3\u5e93\u57fa\u7840\u67b6\u6784\uff0c\u63d0\u4f9b\u6570\u636e\u6c47\u603b\u548c\u547d\u4ee4\u884c\u5373\u5e2d\u67e5\u8be2\u529f\u80fd\u3002<\/p>\n\n\n\n<p><strong>7\uff09Mahout\uff1a<\/strong>\u53ef\u6269\u5c55\u7684\u673a\u5668\u5b66\u4e60\u548c\u6570\u636e\u6316\u6398\u5e93\u3002<\/p>\n\n\n\n<p><strong>8\uff09Pig\uff1a<\/strong>\u7528\u4e8e\u5e76\u884c\u8ba1\u7b97\u7684\u9ad8\u7ea7\u6570\u636e\u6d41\u8bed\u8a00\u548c\u6267\u884c\u6846\u67b6\u3002<\/p>\n\n\n\n<p><strong>9\uff09Spark\uff1a<\/strong>\u53ef\u9ad8\u901f\u5904\u7406Hadoop\u6570\u636e\u7684\u901a\u7528\u8ba1\u7b97\u5f15\u64ce\u3002Spark\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u800c\u5bcc\u6709\u8868\u8fbe\u80fd\u529b\u7684\u7f16\u7a0b\u6a21\u5f0f\uff0c\u652f\u6301ETL\u3001\u673a\u5668\u5b66\u4e60\u3001\u6570\u636e\u6d41\u5904\u7406\u3001\u56fe\u50cf\u8ba1\u7b97\u7b49\u591a\u79cd\u5e94\u7528\u3002<\/p>\n\n\n\n<p><strong>10\uff09Tez\uff1a<\/strong>\u5b8c\u6574\u7684\u6570\u636e\u6d41\u7f16\u7a0b\u6846\u67b6\uff0c\u57fa\u4e8eYARN\u5efa\u7acb\uff0c\u63d0\u4f9b\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u5f15\u64ce\uff0c\u53ef\u6267\u884c\u4efb\u610f\u6709\u5411\u65e0\u73af\u56fe\uff08DAG\uff09\u6570\u636e\u5904\u7406\u4efb\u52a1\uff0c\u65e2\u652f\u6301\u6279\u5904\u7406\u53c8\u652f\u6301\u4ea4\u4e92\u5f0f\u7684\u7528\u6237\u573a\u666f\u3002Tez\u5df2\u7ecf\u88abHive\u3001Pig\u7b49Hadoop\u751f\u6001\u5708\u7684\u7ec4\u4ef6\u6240\u91c7\u7528\uff0c\u7528\u6765\u66ff\u4ee3 MapReduce\u4f5c\u4e3a\u5e95\u5c42\u6267\u884c\u5f15\u64ce\u3002<\/p>\n\n\n\n<p><strong>11\uff09ZooKeeper\uff1a<\/strong>\u7528\u4e8e\u5206\u5e03\u5f0f\u5e94\u7528\u7684\u9ad8\u6027\u80fd\u534f\u8c03\u670d\u52a1\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u4ee5\u4e0a\u8fd9\u4e9b\u5b98\u65b9\u8ba4\u53ef\u7684Hadoop\u751f\u6001\u5708\u7ec4\u4ef6\u4e4b\u5916\uff0c\u8fd8\u6709\u5f88\u591a\u5341\u5206\u4f18\u79c0\u7684\u7ec4\u4ef6\u8fd9\u91cc\u6ca1\u6709\u4ecb\u7ecd\uff0c\u8fd9\u4e9b\u7ec4\u4ef6\u7684\u5e94\u7528\u4e5f\u975e\u5e38\u5e7f\u6cdb\uff0c\u4f8b\u5982\u57fa\u4e8eHive\u67e5\u8be2\u4f18\u5316\u7684Presto\u3001Impala\u3001Kylin\u7b49\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u5728Hadoop\u751f\u6001\u5708\u7684\u5468\u8fb9\uff0c\u8fd8\u805a\u96c6\u4e86\u4e00\u7fa4\u201c\u4f19\u4f34\u201d\uff0c\u5b83\u4eec\u867d\u7136\u672a\u66fe\u6df1\u5165\u878d\u5408Hadoop\u751f\u6001\u5708\uff0c\u4f46\u662f\u548cHadoop\u6709\u7740\u5343\u4e1d\u4e07\u7f15\u7684\u8054\u7cfb\uff0c\u5e76\u4e14\u5728\u5404\u81ea\u64c5\u957f\u7684\u9886\u57df\u8d77\u5230\u4e86\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f5c\u7528\u3002\u56fe2\u662f\u963f\u91cc\u4e91E-MapReduce\u5e73\u53f0\u6574\u5408\u7684Hadoop\u751f\u6001\u4f53\u7cfb\u4e2d\u7684\u7ec4\u4ef6\uff0c\u6bd4Apache\u63d0\u4f9b\u7684\u7ec4\u5408\u66f4\u4e3a\u5f3a\u5927\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic2.zhimg.com\/80\/v2-4bf2933db13241284b04660f2910bc39_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u56fe2\u3000\u963f\u91cc\u4e91E-MapReduce\u7684\u4ea7\u54c1\u67b6\u6784<\/p>\n\n\n\n<p>\u4e0b\u9762\u7b80\u5355\u4ecb\u7ecd\u5176\u4e2d\u6bd4\u8f83\u91cd\u8981\u7684\u6210\u5458\u3002<\/p>\n\n\n\n<p><strong>1\uff09Presto\uff1a<\/strong>\u5f00\u6e90\u5206\u5e03\u5f0fSQL\u67e5\u8be2\u5f15\u64ce\uff0c\u9002\u7528\u4e8e\u4ea4\u4e92\u5f0f\u5206\u6790\u67e5\u8be2\uff0c\u6570\u636e\u91cf\u652f\u6301GB\u5230PB\u7ea7\u3002Presto\u53ef\u4ee5\u5904\u7406\u591a\u6570\u636e\u6e90\uff0c\u662f\u4e00\u6b3e\u57fa\u4e8e\u5185\u5b58\u8ba1\u7b97\u7684MPP\u67b6\u6784\u67e5\u8be2\u5f15\u64ce\u3002<\/p>\n\n\n\n<p><strong>2\uff09Kudu\uff1a<\/strong>\u4e0eHBase\u7c7b\u4f3c\u7684\u5217\u5b58\u50a8\u5206\u5e03\u5f0f\u6570\u636e\u5e93\uff0c\u80fd\u591f\u63d0\u4f9b\u5feb\u901f\u66f4\u65b0\u548c\u5220\u9664\u6570\u636e\u7684\u529f\u80fd\uff0c\u662f\u4e00\u6b3e\u65e2\u652f\u6301\u968f\u673a\u8bfb\u5199\uff0c\u53c8\u652f\u6301OLAP\u5206\u6790\u7684\u5927\u6570\u636e\u5b58\u50a8\u5f15\u64ce\u3002<\/p>\n\n\n\n<p><strong>3\uff09Impala\uff1a<\/strong>\u9ad8\u6548\u7684\u57fa\u4e8eMPP\u67b6\u6784\u7684\u5feb\u901f\u67e5\u8be2\u5f15\u64ce\uff0c\u57fa\u4e8eHive\u5e76\u4f7f\u7528\u5185\u5b58\u8fdb\u884c\u8ba1\u7b97\uff0c\u517c\u987eETL\u529f\u80fd\uff0c\u5177\u6709\u5b9e\u65f6\u3001\u6279\u5904\u7406\u3001\u591a\u5e76\u53d1\u7b49\u4f18\u70b9\u3002<\/p>\n\n\n\n<p><strong>4\uff09Kylin\uff1a<\/strong>\u5f00\u6e90\u5206\u5e03\u5f0f\u5206\u6790\u578b\u6570\u636e\u4ed3\u5e93\uff0c\u63d0\u4f9bHadoop\/Spark\u4e4b\u4e0a\u7684SQL\u67e5\u8be2\u63a5\u53e3\u53ca\u591a\u7ef4\u5206\u6790\uff08OLAP\uff09\u80fd\u529b\uff0c\u652f\u6301\u8d85\u5927\u89c4\u6a21\u6570\u636e\u7684\u538b\u79d2\u7ea7\u67e5\u8be2\u3002<\/p>\n\n\n\n<p><strong>5\uff09Flink\uff1a<\/strong>\u4e00\u6b3e\u9ad8\u541e\u5410\u91cf\u3001\u4f4e\u5ef6\u8fdf\u7684\u9488\u5bf9\u6d41\u6570\u636e\u548c\u6279\u6570\u636e\u7684\u5206\u5e03\u5f0f\u5b9e\u65f6\u5904\u7406\u5f15\u64ce\uff0c\u662f\u5b9e\u65f6\u5904\u7406\u9886\u57df\u7684\u65b0\u661f\u3002<\/p>\n\n\n\n<p><strong>6\uff09Hudi\uff1a<\/strong>Uber\u5f00\u53d1\u5e76\u5f00\u6e90\u7684\u6570\u636e\u6e56\u89e3\u51b3\u65b9\u6848\uff0cHudi\uff08Hadoop updates and incrementals\uff09\u652f\u6301HDFS\u6570\u636e\u7684\u4fee\u6539\u548c\u589e\u91cf\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p><strong>03<\/strong><\/p>\n\n\n\n<p><strong>Hadoop\u7684\u4f18\u7f3a\u70b9<\/strong><\/p>\n\n\n\n<p>\u5982\u4eca\uff0cHadoop\u5df2\u7ecf\u6f14\u5316\u6210\u4e86\u4e00\u4e2a\u751f\u6001\u7cfb\u7edf\uff0c\u7cfb\u7edf\u5185\u7684\u7ec4\u4ef6\u5343\u5dee\u4e07\u522b\uff0c\u6709\u7684\u8fd8\u662f\u5b75\u5316\u9636\u6bb5\uff0c\u6709\u7684\u98ce\u534e\u6b63\u8302\uff0c\u6709\u7684\u5782\u5782\u8001\u77e3\u3002\u5176\u4e2d\uff0c<strong>\u6700\u7ecf\u4e45\u4e0d\u8870\u7684\u5f53\u5c5eHDFS\u548cHive\u4e24\u5927\u7ec4\u4ef6\uff0c\u6619\u82b1\u4e00\u73b0\u7684\u5305\u62ecHBase\u3001MapReduce\u3001Presto\u7b49\uff0c\u98ce\u534e\u6b63\u8302\u7684\u5f53\u5c5eSpark\u548cFlink\u3002<\/strong><\/p>\n\n\n\n<p>\u53e4\u8bed\u6709\u4e91\uff0c\u201c\u6210\u4e5f\u8427\u4f55\uff0c\u8d25\u4e5f\u8427\u4f55\u201d\u3002\u5927\u6570\u636e\u6210\u529f\u6700\u6838\u5fc3\u7684\u539f\u56e0\u662f\u5f00\u6e90\uff0c\u4f46\u5b83\u5b58\u5728\u7684\u6700\u5927\u7684\u95ee\u9898\u4e5f\u662f\u5f00\u6e90\u3002\u5f88\u591a\u7ec4\u4ef6\u867d\u7136\u4f9d\u9760\u5f00\u6e90\u53ef\u4ee5\u5feb\u901f\u6210\u719f\uff0c\u4f46\u662f\u4e00\u65e6\u6210\u719f\uff0c\u5c31\u4f1a\u51fa\u73b0\u751f\u6001\u7d0a\u4e71\u548c\u7248\u672c\u5272\u88c2\u7684\u60c5\u51b5\uff0c\u5176\u4e2d\u6700\u5178\u578b\u7684\u5c31\u662fHive\u3002<\/p>\n\n\n\n<p>Hive 1.x\u4e4b\u524d\u7684\u7248\u672c\u529f\u80fd\u4e0d\u5b8c\u5584\uff0c1.x\u7248\u548c2.x\u7248\u7b97\u662f\u9010\u6b65\u4f18\u5316\u5230\u57fa\u672c\u53ef\u7528\u4e86\uff0c\u5230\u4e863.x\u7248\u53c8\u51fa\u73b0\u4e86\u5404\u79cd\u95ee\u9898\uff0c\u5e76\u4e14\u5927\u90e8\u5206\u4e91\u5e73\u53f0Hive\u7248\u672c\u90fd\u505c\u7559\u57282.x\u7248\uff0c\u65b0\u7248\u672c\u63a8\u5e7f\u4e4f\u529b\u3002\u53e6\u5916\uff0cHive\u7684\u8ba1\u7b97\u5f15\u64ce\u4e5f\u662f\u9971\u53d7\u4e89\u8bae\u7684\uff0cHive\u652f\u6301\u7684\u8ba1\u7b97\u5f15\u64ce\u4e3b\u8981\u6709MapReduce\u3001Tez\u3001Spark\u3001Presto\u3002\u5341\u591a\u5e74\u6765MapReduce\u7684\u8ba1\u7b97\u901f\u5ea6\u5e76\u6ca1\u6709\u63d0\u5347\uff1bTez\u867d\u7136\u8ba1\u7b97\u901f\u5ea6\u5feb\uff0c\u4f46\u662f\u5b89\u88c5\u9700\u8981\u5b9a\u5236\u5316\u7f16\u8bd1\u548c\u90e8\u7f72\uff1bSpark\u7684\u8ba1\u7b97\u901f\u5ea6\u6700\u5feb\uff0c\u4f46\u662f\u5bf9JDBC\u652f\u6301\u4e0d\u53cb\u597d\uff1bPresto\u8ba1\u7b97\u901f\u5ea6\u5feb\u5e76\u4e14\u652f\u6301JDBC\uff0c\u4f46\u662f\u8bed\u6cd5\u53c8\u548cHive\u4e0d\u4e00\u81f4\u3002\u7533\u660e\u4e00\u4e0b\uff0c\u8fd9\u91cc\u8bf4\u7684\u5feb\u53ea\u662f\u76f8\u5bf9MapReduce\u5f15\u64ce\u800c\u8a00\u7684\uff0c\u8ddf\u4f20\u7edf\u6570\u636e\u5e93\u7684\u901f\u5ea6\u76f8\u6bd4\u4ecd\u7136\u76f8\u5dee1\u52302\u4e2a\u6570\u91cf\u7ea7\u3002<\/p>\n\n\n\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u57fa\u4e8eHadoop\u5f00\u53d1\u51fa\u6765\u7684\u5927\u6570\u636e\u5e73\u53f0\uff0c\u901a\u5e38\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\u3002<\/p>\n\n\n\n<p><strong>1\uff09\u6269\u5bb9\u80fd\u529b\uff1a<\/strong>\u80fd\u591f\u53ef\u9760\u5730\u5b58\u50a8\u548c\u5904\u7406PB\u7ea7\u7684\u6570\u636e\u3002Hadoop\u751f\u6001\u57fa\u672c\u91c7\u7528HDFS\u4f5c\u4e3a\u5b58\u50a8\u7ec4\u4ef6\uff0c\u541e\u5410\u91cf\u9ad8\u3001\u7a33\u5b9a\u53ef\u9760\u3002<\/p>\n\n\n\n<p><strong>2\uff09\u6210\u672c\u4f4e\uff1a<\/strong>\u53ef\u4ee5\u5229\u7528\u5ec9\u4ef7\u3001\u901a\u7528\u7684\u673a\u5668\u7ec4\u6210\u7684\u670d\u52a1\u5668\u7fa4\u5206\u53d1\u3001\u5904\u7406\u6570\u636e\u3002\u8fd9\u4e9b\u670d\u52a1\u5668\u7fa4\u603b\u8ba1\u53ef\u8fbe\u6570\u5343\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n<p><strong>3\uff09\u9ad8\u6548\u7387\uff1a<\/strong>\u901a\u8fc7\u5206\u53d1\u6570\u636e\uff0cHadoop\u53ef\u4ee5\u5728\u6570\u636e\u6240\u5728\u8282\u70b9\u4e0a\u5e76\u884c\u5904\u7406\uff0c\u5904\u7406\u901f\u5ea6\u975e\u5e38\u5feb\u3002<\/p>\n\n\n\n<p><strong>4\uff09\u53ef\u9760\u6027\uff1a<\/strong>Hadoop\u80fd\u81ea\u52a8\u7ef4\u62a4\u6570\u636e\u7684\u591a\u4efd\u5907\u4efd\uff0c\u5e76\u4e14\u5728\u4efb\u52a1\u5931\u8d25\u540e\u80fd\u81ea\u52a8\u91cd\u65b0\u90e8\u7f72\u8ba1\u7b97\u4efb\u52a1\u3002<\/p>\n\n\n\n<p>Hadoop\u751f\u6001\u540c\u65f6\u4e5f\u5b58\u5728\u4e0d\u5c11\u7f3a\u70b9\u3002<\/p>\n\n\n\n<p>1\uff09\u56e0\u4e3aHadoop\u91c7\u7528\u6587\u4ef6\u5b58\u50a8\u7cfb\u7edf\uff0c\u6240\u4ee5\u8bfb\u5199\u65f6\u6548\u6027\u8f83\u5dee\uff0c\u81f3\u4eca\u6ca1\u6709\u4e00\u6b3e\u65e2\u652f\u6301\u5feb\u901f\u66f4\u65b0\u53c8\u652f\u6301\u9ad8\u6548\u67e5\u8be2\u7684\u7ec4\u4ef6\u3002<\/p>\n\n\n\n<p>2\uff09Hadoop\u751f\u6001\u7cfb\u7edf\u65e5\u8d8b\u590d\u6742\uff0c\u7ec4\u4ef6\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u5dee\uff0c\u5b89\u88c5\u548c\u7ef4\u62a4\u6bd4\u8f83\u56f0\u96be\u3002<\/p>\n\n\n\n<p>3\uff09Hadoop\u5404\u4e2a\u7ec4\u4ef6\u529f\u80fd\u76f8\u5bf9\u5355\u4e00\uff0c\u4f18\u70b9\u5f88\u660e\u663e\uff0c\u7f3a\u70b9\u4e5f\u5f88\u660e\u663e\u3002<\/p>\n\n\n\n<p>4\uff09\u4e91\u751f\u6001\u5bf9Hadoop\u7684\u51b2\u51fb\u5341\u5206\u660e\u663e\uff0c\u4e91\u5382\u5546\u5b9a\u5236\u5316\u7ec4\u4ef6\u5bfc\u81f4\u7248\u672c\u5206\u6b67\u8fdb\u4e00\u6b65\u6269\u5927\uff0c\u65e0\u6cd5\u5f62\u6210\u5408\u529b\u3002<\/p>\n\n\n\n<p>5\uff09\u6574\u4f53\u751f\u6001\u57fa\u4e8eJava\u5f00\u53d1\uff0c\u5bb9\u9519\u6027\u8f83\u5dee\uff0c\u53ef\u7528\u6027\u4e0d\u9ad8\uff0c\u7ec4\u4ef6\u5bb9\u6613\u6302\u6389\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/viplao.com\/index.php\/2023\/03\/19\/%e3%80%90%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7%e3%80%91%e4%b8%80%e6%96%87%e6%90%9e%e6%87%82-hadoop-%e7%94%9f%e6%80%81%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%bb%84%e4%bb%b6\/#HDFS_%E5%88%86%E5%B8%83%E5%BC%8F%E6%96%87%E4%BB%B6%E5%AD%98%E5%82%A8%E6%9E%B6%E6%9E%84\" title=\"HDFS \u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u67b6\u6784\">HDFS \u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u67b6\u6784<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/viplao.com\/index.php\/2023\/03\/19\/%e3%80%90%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7%e3%80%91%e4%b8%80%e6%96%87%e6%90%9e%e6%87%82-hadoop-%e7%94%9f%e6%80%81%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%bb%84%e4%bb%b6\/#MapReduce_%E5%A4%A7%E6%95%B0%E6%8D%AE%E8%AE%A1%E7%AE%97%E6%9E%B6%E6%9E%84\" title=\"MapReduce \u5927\u6570\u636e\u8ba1\u7b97\u67b6\u6784\">MapReduce \u5927\u6570\u636e\u8ba1\u7b97\u67b6\u6784<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/viplao.com\/index.php\/2023\/03\/19\/%e3%80%90%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7%e3%80%91%e4%b8%80%e6%96%87%e6%90%9e%e6%87%82-hadoop-%e7%94%9f%e6%80%81%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%bb%84%e4%bb%b6\/#Yarn_%E8%B5%84%E6%BA%90%E8%B0%83%E5%BA%A6%E6%A1%86%E6%9E%B6\" title=\"Yarn \u8d44\u6e90\u8c03\u5ea6\u6846\u67b6\">Yarn \u8d44\u6e90\u8c03\u5ea6\u6846\u67b6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/viplao.com\/index.php\/2023\/03\/19\/%e3%80%90%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7%e3%80%91%e4%b8%80%e6%96%87%e6%90%9e%e6%87%82-hadoop-%e7%94%9f%e6%80%81%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%bb%84%e4%bb%b6\/#%E5%B7%A8%E4%BA%BA%E7%9A%84%E8%82%A9%E8%86%80\" title=\"\u5de8\u4eba\u7684\u80a9\u8180\">\u5de8\u4eba\u7684\u80a9\u8180<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDFS_%E5%88%86%E5%B8%83%E5%BC%8F%E6%96%87%E4%BB%B6%E5%AD%98%E5%82%A8%E6%9E%B6%E6%9E%84\"><\/span>HDFS \u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u67b6\u6784<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6211\u4eec\u77e5\u9053\uff0cGoogle \u5927\u6570\u636e\u201c\u4e09\u9a7e\u9a6c\u8f66\u201d\u7684\u7b2c\u4e00\u9a7e\u662f GFS\uff08Google \u6587\u4ef6\u7cfb\u7edf\uff09\uff0c\u800c Hadoop \u7684\u7b2c\u4e00\u4e2a\u4ea7\u54c1\u662f HDFS\uff0c\u53ef\u4ee5\u8bf4\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u662f\u5206\u5e03\u5f0f\u8ba1\u7b97\u7684\u57fa\u7840\uff0c\u4e5f\u53ef\u89c1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u7684\u91cd\u8981\u6027\u3002\u5982\u679c\u6211\u4eec\u5c06\u5927\u6570\u636e\u8ba1\u7b97\u6bd4\u4f5c\u70f9\u996a\uff0c\u90a3\u4e48\u6570\u636e\u5c31\u662f\u98df\u6750\uff0c\u800c Hadoop \u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf HDFS \u5c31\u662f\u70e7\u83dc\u7684\u90a3\u53e3\u5927\u9505\u3002<\/p>\n\n\n\n<p>\u53a8\u5e08\u6765\u6765\u5f80\u5f80\uff0c\u98df\u6750\u8fdb\u8fdb\u51fa\u51fa\uff0c\u5404\u79cd\u83dc\u80b4\u5c42\u51fa\u4e0d\u7a77\uff0c\u800c\u4e0d\u53d8\u7684\u5219\u662f\u90a3\u53e3\u5927\u9505\u3002\u5927\u6570\u636e\u4e5f\u662f\u5982\u6b64\uff0c\u8fd9\u4e9b\u5e74\u6765\uff0c\u5404\u79cd\u8ba1\u7b97\u6846\u67b6\u3001\u5404\u79cd\u7b97\u6cd5\u3001\u5404\u79cd\u5e94\u7528\u573a\u666f\u4e0d\u65ad\u63a8\u9648\u51fa\u65b0\uff0c\u8ba9\u4eba\u773c\u82b1\u7f2d\u4e71\uff0c\u4f46\u662f\u5927\u6570\u636e\u5b58\u50a8\u7684\u738b\u8005\u4f9d\u7136\u662f HDFS\u3002<\/p>\n\n\n\n<p>\u4e3a\u4ec0\u4e48 HDFS \u7684\u5730\u4f4d\u5982\u6b64\u7a33\u56fa\u5462\uff1f\u5728\u6574\u4e2a\u5927\u6570\u636e\u4f53\u7cfb\u91cc\u9762\uff0c\u6700\u5b9d\u8d35\u3001\u6700\u96be\u4ee5\u4ee3\u66ff\u7684\u8d44\u4ea7\u5c31\u662f\u6570\u636e\uff0c\u5927\u6570\u636e\u6240\u6709\u7684\u4e00\u5207\u90fd\u8981\u56f4\u7ed5\u6570\u636e\u5c55\u5f00\u3002<strong>HDFS \u4f5c\u4e3a\u6700\u65e9\u7684\u5927\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\uff0c\u5b58\u50a8\u7740\u5b9d\u8d35\u7684\u6570\u636e\u8d44\u4ea7\uff0c\u5404\u79cd\u65b0\u7684\u7b97\u6cd5\u3001\u6846\u67b6\u8981\u60f3\u5f97\u5230\u4eba\u4eec\u7684\u5e7f\u6cdb\u4f7f\u7528\uff0c\u5fc5\u987b\u652f\u6301 HDFS \u624d\u80fd\u83b7\u53d6\u5df2\u7ecf\u5b58\u50a8\u5728\u91cc\u9762\u7684\u6570\u636e<\/strong>\u3002\u6240\u4ee5\u5927\u6570\u636e\u6280\u672f\u8d8a\u53d1\u5c55\uff0c\u65b0\u6280\u672f\u8d8a\u591a\uff0cHDFS \u5f97\u5230\u7684\u652f\u6301\u8d8a\u591a\uff0c\u6211\u4eec\u8d8a\u79bb\u4e0d\u5f00 HDFS\u3002<strong>HDFS \u4e5f\u8bb8\u4e0d\u662f\u6700\u597d\u7684\u5927\u6570\u636e\u5b58\u50a8\u6280\u672f\uff0c\u4f46\u4f9d\u7136\u6700\u91cd\u8981\u7684\u5927\u6570\u636e\u5b58\u50a8\u6280\u672f<\/strong>\u3002<\/p>\n\n\n\n<p>\u4e4b\u524d\u5728&nbsp;<a href=\"https:\/\/link.zhihu.com\/?target=http%3A\/\/mp.weixin.qq.com\/s%3F__biz%3DMzk0MTI0OTI1NA%3D%3D%26mid%3D2247495962%26idx%3D1%26sn%3De13b94a055caec6d71f1ddbb1a979f3f%26chksm%3Dc2d7f693f5a07f858cee6a80bd4f6db85b7b54ef74936be6d800c24f038c0b85ac49e906292c%26scene%3D21%23wechat_redirect\" target=\"_blank\" rel=\"noreferrer noopener\">\u524d\u65b9\u9ad8\u80fd | HDFS \u7684\u67b6\u6784\uff0c\u4f60\u5403\u900f\u4e86\u5417\uff1f<\/a>\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c31\u5df2\u7ecf\u8c08\u5230\u4e86 HDFS \u7684\u67b6\u6784 \uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic1.zhimg.com\/80\/v2-ebd937455bb4fa00d4bb11bfeb748e10_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>HDFS \u53ef\u4ee5\u5c06\u6570\u5343\u53f0\u670d\u52a1\u5668\u7ec4\u6210\u4e00\u4e2a\u7edf\u4e00\u7684\u6587\u4ef6\u5b58\u50a8\u7cfb\u7edf\uff0c\u5176\u4e2d NameNode \u670d\u52a1\u5668\u5145\u5f53\u6587\u4ef6\u63a7\u5236\u5757\u7684\u89d2\u8272\uff0c\u8fdb\u884c\u6587\u4ef6\u5143\u6570\u636e\u7ba1\u7406\uff0c\u5373\u8bb0\u5f55\u6587\u4ef6\u540d\u3001\u8bbf\u95ee\u6743\u9650\u3001\u6570\u636e\u5b58\u50a8\u5730\u5740\u7b49\u4fe1\u606f\uff0c\u800c\u771f\u6b63\u7684\u6587\u4ef6\u6570\u636e\u5219\u5b58\u50a8\u5728 DataNode \u670d\u52a1\u5668\u4e0a\u3002<\/p>\n\n\n\n<p>DataNode \u4ee5\u5757\u4e3a\u5355\u4f4d\u5b58\u50a8\u6570\u636e\uff0c\u6240\u6709\u7684\u5757\u4fe1\u606f\uff0c\u6bd4\u5982 \u5757 ID\u3001\u5757\u6240\u5728\u7684\u670d\u52a1\u5668 IP \u5730\u5740\u7b49\uff0c\u90fd\u8bb0\u5f55\u5728 NameNode \u670d\u52a1\u5668\u4e0a\uff0c\u800c\u5177\u4f53\u7684\u5757\u6570\u636e\u5b58\u50a8\u5728 DataNode \u670d\u52a1\u5668\u4e0a\u3002\u7406\u8bba\u4e0a\uff0cNameNode \u53ef\u4ee5\u5c06\u6240\u6709 DataNode \u670d\u52a1\u5668\u4e0a\u7684\u6240\u6709\u6570\u636e\u5757\u90fd\u5206\u914d\u7ed9\u4e00\u4e2a\u6587\u4ef6\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u4e2a\u6587\u4ef6\u53ef\u4ee5\u4f7f\u7528\u6240\u6709\u670d\u52a1\u5668\u7684\u786c\u76d8\u5b58\u50a8\u7a7a\u95f4 \u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0cHDFS \u4e3a\u4e86\u4fdd\u8bc1\u4e0d\u4f1a\u56e0\u4e3a\u78c1\u76d8\u6216\u8005\u670d\u52a1\u5668\u635f\u574f\u800c\u5bfc\u81f4\u6587\u4ef6\u635f\u574f\uff0c\u8fd8\u4f1a\u5bf9\u6570\u636e\u5757\u8fdb\u884c\u590d\u5236\uff0c\u6bcf\u4e2a\u6570\u636e\u5757\u90fd\u4f1a\u5b58\u50a8\u5728\u591a\u53f0\u670d\u52a1\u5668\u4e0a\uff0c\u751a\u81f3\u591a\u4e2a\u673a\u67b6\u4e0a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic3.zhimg.com\/80\/v2-5e2b698de8a88c0da8b9a4c335335bde_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"MapReduce_%E5%A4%A7%E6%95%B0%E6%8D%AE%E8%AE%A1%E7%AE%97%E6%9E%B6%E6%9E%84\"><\/span>MapReduce \u5927\u6570\u636e\u8ba1\u7b97\u67b6\u6784<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5927\u6570\u636e\u8ba1\u7b97\u7684\u6838\u5fc3\u601d\u8def\u662f&nbsp;<strong>\u79fb\u52a8\u8ba1\u7b97\u6bd4\u79fb\u52a8\u6570\u636e\u66f4\u5212\u7b97<\/strong>\u3002\u65e2\u7136\u8ba1\u7b97\u65b9\u6cd5\u8ddf\u4f20\u7edf\u8ba1\u7b97\u65b9\u6cd5\u4e0d\u4e00\u6837\uff0c\u79fb\u52a8\u8ba1\u7b97\u800c\u4e0d\u662f\u79fb\u52a8\u6570\u636e\uff0c\u90a3\u4e48\u7528\u4f20\u7edf\u7684\u7f16\u7a0b\u6a21\u578b\u8fdb\u884c\u5927\u6570\u636e\u8ba1\u7b97\u5c31\u4f1a\u9047\u5230\u5f88\u591a\u56f0\u96be\uff0c\u56e0\u6b64 Hadoop \u5927\u6570\u636e\u8ba1\u7b97\u4f7f\u7528\u4e86\u4e00\u79cd\u53eb\u4f5c MapReduce \u7684\u7f16\u7a0b\u6a21\u578b\u3002<\/p>\n\n\n\n<p>\u5176\u5b9e MapReduce \u7f16\u7a0b\u6a21\u578b\u5e76\u4e0d\u662f Hadoop \u539f\u521b\uff0c\u751a\u81f3\u4e5f\u4e0d\u662f Google \u539f\u521b\uff0c\u4f46\u662f Google \u548c Hadoop \u521b\u9020\u6027\u5730\u5c06 MapReduce \u7f16\u7a0b\u6a21\u578b\u7528\u5230\u5927\u6570\u636e\u8ba1\u7b97\u4e0a\uff0c\u7acb\u523b\u4ea7\u751f\u4e86\u795e\u5947\u7684\u6548\u679c\uff0c\u770b\u4f3c\u590d\u6742\u7684\u5404\u79cd\u5404\u6837\u7684\u673a\u5668\u5b66\u4e60\u3001\u6570\u636e\u6316\u6398\u3001SQL \u5904\u7406\u7b49\u5927\u6570\u636e\u8ba1\u7b97\u53d8\u5f97\u7b80\u5355\u6e05\u6670\u8d77\u6765\u3002<\/p>\n\n\n\n<p>\u5c31\u597d\u6bd4\u6570\u636e\u5b58\u50a8\u5728 HDFS \u4e0a\u7684\u6700\u7ec8\u76ee\u7684\u8fd8\u662f\u4e3a\u4e86\u8ba1\u7b97\uff0c\u901a\u8fc7\u6570\u636e\u5206\u6790\u6216\u8005\u673a\u5668\u5b66\u4e60\u83b7\u5f97\u6709\u76ca\u7684\u7ed3\u679c\u3002\u4f46\u662f\u5982\u679c\u50cf\u4f20\u7edf\u7684\u5e94\u7528\u7a0b\u5e8f\u90a3\u6837\uff0c\u628a HDFS \u5f53\u505a\u666e\u901a\u6587\u4ef6\uff0c\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u540e\u8fdb\u884c\u8ba1\u7b97\uff0c\u90a3\u4e48\u5bf9\u4e8e\u9700\u8981\u4e00\u6b21\u8ba1\u7b97\u6570\u767e TB \u6570\u636e\u7684\u5927\u6570\u636e\u8ba1\u7b97\u573a\u666f\uff0c\u5c31\u4e0d\u77e5\u9053\u8981\u7b97\u5230\u4ec0\u4e48\u65f6\u5019\u4e86\u3002<\/p>\n\n\n\n<p>\u5927\u6570\u636e\u5904\u7406\u7684\u7ecf\u5178\u8ba1\u7b97\u6846\u67b6\u662f MapReduce \u3002MapReduce \u7684\u6838\u5fc3\u601d\u60f3\u662f\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7247\u8ba1\u7b97\u3002\u65e2\u7136\u6570\u636e\u662f\u4ee5\u5757\u4e3a\u5355\u4f4d\u5206\u5e03\u5b58\u50a8\u5728\u5f88\u591a\u670d\u52a1\u5668\u7ec4\u6210\u7684\u96c6\u7fa4\u4e0a\uff0c\u90a3\u4e48\u80fd\u4e0d\u80fd\u5c31\u5728\u8fd9\u4e9b\u670d\u52a1\u5668\u4e0a\u9488\u5bf9\u6bcf\u4e2a\u6570\u636e\u5757\u8fdb\u884c\u5206\u5e03\u5f0f\u8ba1\u7b97\u5462 \uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-8733b5e0aac865ff2afd309bb7b619b3_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4e8b\u5b9e\u4e0a\uff0cMapReduce \u53ef\u4ee5\u5728\u5206\u5e03\u5f0f\u96c6\u7fa4\u7684\u591a\u53f0\u670d\u52a1\u5668\u4e0a\u542f\u52a8\u540c\u4e00\u4e2a\u8ba1\u7b97\u7a0b\u5e8f\uff0c\u6bcf\u4e2a\u670d\u52a1\u5668\u4e0a\u7684\u7a0b\u5e8f\u8fdb\u7a0b\u90fd\u53ef\u4ee5\u8bfb\u53d6\u672c\u670d\u52a1\u5668\u4e0a\u8981\u5904\u7406\u7684\u6570\u636e\u5757\u8fdb\u884c\u8ba1\u7b97\uff0c\u56e0\u6b64\uff0c\u5927\u91cf\u7684\u6570\u636e\u5c31\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u8ba1\u7b97\u4e86\u3002\u4f46\u662f\u8fd9\u6837\u4e00\u6765\uff0c\u6bcf\u4e2a\u6570\u636e\u5757\u7684\u6570\u636e\u90fd\u662f\u72ec\u7acb\u7684\uff0c\u5982\u679c\u8fd9\u4e9b\u6570\u636e\u5757\u9700\u8981\u8fdb\u884c\u5173\u8054\u8ba1\u7b97\u600e\u4e48\u529e\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic1.zhimg.com\/80\/v2-def54fa8611c37255a3946dd768f72a8_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>MapReduce \u5c06\u8ba1\u7b97\u8fc7\u7a0b\u5206\u6210\u4e86\u4e24\u4e2a\u90e8\u5206\uff1a\u4e00\u90e8\u5206\u662f map \u8fc7\u7a0b\uff0c\u6bcf\u4e2a\u670d\u52a1\u5668\u4e0a\u4f1a\u542f\u52a8\u591a\u4e2a map \u8fdb\u7a0b\uff0cmap \u4f18\u5148\u8bfb\u53d6\u672c\u5730\u6570\u636e\u8fdb\u884c\u8ba1\u7b97\uff0c\u8ba1\u7b97\u540e\u8f93\u51fa\u4e00\u4e2a &lt;key\uff0cvalue&gt; \u96c6\u5408\uff1b\u53e6\u4e00\u90e8\u5206\u662f reduce \u90e8\u5206\uff0cMapReduce \u5728\u6bcf\u4e2a\u670d\u52a1\u5668\u4e0a\u90fd\u4f1a\u542f\u52a8\u591a\u4e2a reduce \u8fdb\u7a0b\uff0c\u7136\u540e\u5bf9\u6240\u6709 map \u8f93\u51fa\u7684 &lt;key\uff0cvalue&gt; \u96c6\u5408\u8fdb\u884c shuffle \u64cd\u4f5c\u3002\u6240\u8c13\u7684 shuffle \u5c31\u662f\u5c06\u76f8\u540c\u7684 key \u53d1\u9001\u5230\u540c\u4e00\u4e2a reduce \u8fdb\u7a0b\u4e2d\uff0c\u5728 reduce \u4e2d\u5b8c\u6210\u6570\u636e\u5173\u8054\u8ba1\u7b97 \u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u66f4\u76f4\u89c2\u7684\u5c55\u793a\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u4e0b\u9762\u4ee5\u7ecf\u5178\u7684 WordCount \uff0c\u5373\u7edf\u8ba1\u6240\u6709\u6570\u636e\u4e2d\u76f8\u540c\u5355\u8bcd\u7684\u8bcd\u9891\u6570\u636e\u4e3a\u4f8b\uff0c\u6765\u8ba4\u8bc6 map \u548c reduce \u7684\u5904\u7406\u8fc7\u7a0b \u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-d805a8fac204a0ddfb2d9f5660aff0ab_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u56fe\u7247\u6765\u6e90\uff1a\u6781\u5ba2\u65f6\u95f4<\/p>\n\n\n\n<p>\u5047\u8bbe\u539f\u59cb\u6570\u636e\u6709\u4e24\u4e2a\u6570\u636e\u5757\uff0cMapReduce \u6846\u67b6\u542f\u52a8\u4e86\u4e24\u4e2a map \u8fdb\u7a0b\u8fdb\u884c\u5904\u7406\uff0c\u5b83\u4eec\u5206\u522b\u8bfb\u5165\u6570\u636e \u3002map \u51fd\u6570\u4f1a\u5bf9\u8f93\u5165\u6570\u636e\u8fdb\u884c\u5206\u8bcd\u5904\u7406\uff0c\u7136\u540e\u9488\u5bf9\u6bcf\u4e2a\u5355\u8bcd\u8f93\u51fa &lt; \u5355\u8bcd\uff0c1 &gt; \u8fd9\u6837\u7684 &lt; key\uff0cvalue &gt; \u7ed3\u679c \u3002\u7136\u540e MapReduce \u6846\u67b6\u8fdb\u884c shuffle \u64cd\u4f5c\uff0c\u76f8\u540c\u7684 key \u53d1\u9001\u7ed9\u540c\u4e00\u4e2a reduce \u8fdb\u7a0b\uff0creduce \u7684\u8f93\u5165\u5c31\u662f &lt; key \uff0cvalue \u7684\u5217\u8868&gt;\u8fd9\u6837\u7684\u7ed3\u6784\uff0c\u5373\u76f8\u540c key \u7684 value \u5408\u5e76\u6210\u4e86\u4e00\u4e2a\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u8fd9\u4e2a value \u5217\u8868\u5c31\u662f\u7531\u5f88\u591a\u4e2a 1 \u7ec4\u6210\u7684\u5217\u8868\u3002reduce \u5bf9\u8fd9\u4e9b 1 \u8fdb\u884c\u6c42\u548c\u64cd\u4f5c\uff0c\u5c31\u5f97\u5230\u4e86\u6bcf\u4e2a\u5355\u8bcd\u7684\u8bcd\u9891\u7ed3\u679c\u4e86\u3002<\/p>\n\n\n\n<p>\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic3.zhimg.com\/80\/v2-783caa7c066dd10f9d727d0ee505caa6_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4e0a\u9762\u7684\u6e90\u4ee3\u7801\u63cf\u8ff0\u7684\u662f map \u548c reduce \u8fdb\u7a0b\u5408\u4f5c\u5b8c\u6210\u6570\u636e\u5904\u7406\u7684\u8fc7\u7a0b\uff0c\u90a3\u4e48\u8fd9\u4e9b\u8fdb\u7a0b\u662f\u5982\u4f55\u5728\u5206\u5e03\u5f0f\u7684\u670d\u52a1\u5668\u96c6\u7fa4\u4e0a\u542f\u52a8\u7684\u5462\uff1f\u6570\u636e\u662f\u5982\u4f55\u6d41\u52a8\u5e76\u6700\u7ec8\u5b8c\u6210\u8ba1\u7b97\u7684\u5462\uff1f<\/p>\n\n\n\n<p>\u6211\u4eec\u4ee5 Hadoop 1 \u4e3a\u4f8b\uff0c\u5e26\u9886\u5927\u5bb6\u4e00\u8d77\u770b\u4e0b\u8fd9\u4e2a\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>MapReduce1 \u4e3b\u8981\u6709 JobTracker \u548c TaskTracker \u8fd9\u4e24\u79cd\u89d2\u8272\uff0cJobTracker \u5728 MapReduce \u7684\u96c6\u7fa4\u53ea\u6709\u4e00\u4e2a\uff0c\u800c TaskTracker \u5219\u548c DataNode \u4e00\u8d77\u542f\u52a8\u5728\u96c6\u7fa4\u7684\u6240\u6709\u670d\u52a1\u5668\u4e0a\u3002<\/p>\n\n\n\n<p>MapReduce \u5e94\u7528\u7a0b\u5e8f JobClient \u542f\u52a8\u540e\uff0c\u4f1a\u5411 JobTracker \u63d0\u4ea4\u4f5c\u4e1a\uff0cJobTracker \u6839\u636e\u4f5c\u4e1a\u4e2d\u8f93\u5165\u7684\u6587\u4ef6\u8def\u5f84\u5206\u6790\u9700\u8981\u5728\u54ea\u4e9b\u670d\u52a1\u5668\u4e0a\u542f\u52a8 map \u8fdb\u7a0b\uff0c\u7136\u540e\u5c31\u5728\u8fd9\u4e9b\u670d\u52a1\u5668\u4e0a\u7684 TaskTracker \u53d1\u9001\u4efb\u52a1\u547d\u4ee4\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic3.zhimg.com\/80\/v2-bad5c5d0c3de5072256bc995bef2376a_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u56fe\u7247\u6765\u6e90\uff1a\u6781\u5ba2\u65f6\u95f4<\/p>\n\n\n\n<p>TaskTracker \u6536\u5230\u4efb\u52a1\u540e\uff0c\u542f\u52a8\u4e00\u4e2aTaskRunner \u8fdb\u7a0b\u4e0b\u8f7d\u4efb\u52a1\u5bf9\u5e94\u7684\u7a0b\u5e8f\uff0c\u7136\u540e\u53cd\u5c04\u52a0\u8f7d\u7a0b\u5e8f\u4e2d\u7684 map \u51fd\u6570\uff0c\u8bfb\u53d6\u4efb\u52a1\u4e2d\u5206\u914d\u7684\u6570\u636e\u5757\uff0c\u5e76\u8fdb\u884cmap\u8ba1\u7b97\u3002map\u8ba1\u7b97\u7ed3\u675f\u540e\uff0cTaskTracker\u4f1a\u5bf9 map \u8f93\u51fa\u8fdb\u884cshuffle \u64cd\u4f5c\uff0c\u7136\u540e TaskRunner \u52a0\u8f7d reduce \u51fd\u6570\u8fdb\u884c\u540e\u7eed\u8ba1\u7b97 \u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Yarn_%E8%B5%84%E6%BA%90%E8%B0%83%E5%BA%A6%E6%A1%86%E6%9E%B6\"><\/span>Yarn \u8d44\u6e90\u8c03\u5ea6\u6846\u67b6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728 MapReduce \u5e94\u7528\u7a0b\u5e8f\u7684\u542f\u52a8\u8fc7\u7a0b\u4e2d\uff0c\u6700\u91cd\u8981\u7684\u5c31\u662f\u8981\u628a MapReduce \u7a0b\u5e8f\u5206\u53d1\u5230\u5927\u6570\u636e\u96c6\u7fa4\u7684\u670d\u52a1\u5668\u4e0a\uff0c\u5728\u4e0a\u6587\u4ecb\u7ecd\u7684 Hadoop 1 \u4e2d\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4e3b\u8981\u662f\u901a\u8fc7 TaskTracker \u548c JobTracker \u901a\u4fe1\u6765\u5b8c\u6210\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\u8fd9\u79cd\u67b6\u6784\u65b9\u6848\u6709\u4ec0\u4e48\u7f3a\u70b9\u5462\uff1f<\/p>\n\n\n\n<p>\u670d\u52a1\u5668\u96c6\u7fa4\u8d44\u6e90\u8c03\u5ea6\u7ba1\u7406\u548c MapReduce \u6267\u884c\u8fc7\u7a0b\u8026\u5408\u5728\u4e00\u8d77\uff0c\u5982\u679c\u60f3\u5728\u5f53\u524d\u96c6\u7fa4\u4e2d\u8fd0\u884c\u5176\u4ed6\u8ba1\u7b97\u4efb\u52a1\uff0c\u6bd4\u5982 Spark \u6216\u8005 Storm\uff0c\u5c31\u65e0\u6cd5\u7edf\u4e00\u4f7f\u7528\u96c6\u7fa4\u4e2d\u7684\u8d44\u6e90\u4e86\u3002<\/p>\n\n\n\n<p>\u5728 Hadoop \u65e9\u671f\u7684\u65f6\u5019\uff0c\u5927\u6570\u636e\u6280\u672f\u5c31\u53ea\u6709 Hadoop \u4e00\u5bb6\uff0c\u8fd9\u4e2a\u7f3a\u70b9\u5e76\u4e0d\u660e\u663e\u3002\u4f46\u968f\u7740\u5927\u6570\u636e\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5404\u79cd\u65b0\u7684\u8ba1\u7b97\u6846\u67b6\u4e0d\u65ad\u51fa\u73b0\uff0c\u6211\u4eec\u4e0d\u53ef\u80fd\u4e3a\u6bcf\u4e00\u79cd\u8ba1\u7b97\u6846\u67b6\u90e8\u7f72\u4e00\u4e2a\u670d\u52a1\u5668\u96c6\u7fa4\uff0c\u800c\u4e14\u5c31\u7b97\u80fd\u90e8\u7f72\u65b0\u96c6\u7fa4\uff0c\u6570\u636e\u8fd8\u662f\u5728\u539f\u6765\u96c6\u7fa4\u7684 HDFS \u4e0a\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u628a MapReduce \u7684\u8d44\u6e90\u7ba1\u7406\u548c\u8ba1\u7b97\u6846\u67b6\u5206\u5f00\uff0c\u8fd9\u4e5f\u662f Hadoop 2 \u6700\u4e3b\u8981\u7684\u53d8\u5316\uff0c\u5c31\u662f<strong>\u5c06 Yarn \u4ece MapReduce \u4e2d\u5206\u79bb\u51fa\u6765\uff0c\u6210\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684\u8d44\u6e90\u8c03\u5ea6\u6846\u67b6<\/strong>\u3002<\/p>\n\n\n\n<p>Yarn \u7684\u8bbe\u8ba1\u601d\u8def\u4e5f\u975e\u5e38\u6709\u8da3\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u4e3a\u4e86\u907f\u514d\u529f\u80fd\u7684\u9ad8\u5ea6\u8026\u5408\uff0c\u4f60\u5f97\u5c06\u539f JobTracker \u7684\u529f\u80fd\u8fdb\u884c\u62c6\u5206<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic1.zhimg.com\/80\/v2-6c6881d76f4ebbbeddc736d888ce45d8_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5176\u6b21\uff0c\u4e00\u4e2a\u96c6\u7fa4\u591a\u4e2a\u6846\u67b6\uff0c\u5373\u5728\u4e00\u4e2a\u96c6\u7fa4\u4e0a\u90e8\u7f72\u4e00\u4e2a\u7edf\u4e00\u7684\u8d44\u6e90\u8c03\u5ea6\u6846\u67b6YARN\uff0c\u5728YARN\u4e4b\u4e0a\u53ef\u4ee5\u90e8\u7f72\u5404\u79cd\u8ba1\u7b97\u6846\u67b6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-067745786615152802e576243c7a6467_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6700\u7ec8\u5f62\u6210 Yarn \u7684\u6574\u4f53\u67b6\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic2.zhimg.com\/80\/v2-6a69f37a6a6bcc78ce5de805deebab7d_720w.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u56fe\u7247\u6765\u6e90\uff1a\u6781\u5ba2\u65f6\u95f4<\/p>\n\n\n\n<p>\u4ece\u56fe\u4e0a\u770b\uff0cYarn \u5305\u62ec\u4e24\u4e2a\u90e8\u5206\uff1a\u4e00\u4e2a\u662f\u8d44\u6e90\u7ba1\u7406\u5668\uff08Resource Manager\uff09\uff0c\u4e00\u4e2a\u662f\u8282\u70b9\u7ba1\u7406\u5668\uff08Node Manager\uff09\u3002\u8fd9\u4e5f\u662f Yarn \u7684\u4e24\u79cd\u4e3b\u8981\u8fdb\u7a0b\uff1aResourceManager \u8fdb\u7a0b\u8d1f\u8d23\u6574\u4e2a\u96c6\u7fa4\u7684\u8d44\u6e90\u8c03\u5ea6\u7ba1\u7406\uff0c\u901a\u5e38\u90e8\u7f72\u5728\u72ec\u7acb\u7684\u670d\u52a1\u5668\u4e0a\uff1bNodeManager \u8fdb\u7a0b\u8d1f\u8d23\u5177\u4f53\u670d\u52a1\u5668\u4e0a\u7684\u8d44\u6e90\u548c\u4efb\u52a1\u7ba1\u7406\uff0c\u5728\u96c6\u7fa4\u7684\u6bcf\u4e00\u53f0\u8ba1\u7b97\u670d\u52a1\u5668\u4e0a\u90fd\u4f1a\u542f\u52a8\uff0c\u57fa\u672c\u4e0a\u8ddf HDFS \u7684 DataNode \u8fdb\u7a0b\u4e00\u8d77\u51fa\u73b0\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u8bf4\u6765\uff0c\u8d44\u6e90\u7ba1\u7406\u5668\u53c8\u5305\u62ec\u4e24\u4e2a\u4e3b\u8981\u7ec4\u4ef6\uff1a\u8c03\u5ea6\u5668\u548c\u5e94\u7528\u7a0b\u5e8f\u7ba1\u7406\u5668\u3002\u8c03\u5ea6\u5668\u5176\u5b9e\u5c31\u662f\u4e00\u4e2a\u8d44\u6e90\u5206\u914d\u7b97\u6cd5\uff0c\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\uff08Client\uff09\u63d0\u4ea4\u7684\u8d44\u6e90\u7533\u8bf7\u548c\u5f53\u524d\u670d\u52a1\u5668\u96c6\u7fa4\u7684\u8d44\u6e90\u72b6\u51b5\u8fdb\u884c\u8d44\u6e90\u5206\u914d\u3002<\/p>\n\n\n\n<p>Yarn \u5185\u7f6e\u4e86\u51e0\u79cd\u8d44\u6e90\u8c03\u5ea6\u7b97\u6cd5\uff0c\u5305\u62ec Fair Scheduler\u3001Capacity Scheduler \u7b49\uff0c\u4f60\u4e5f\u53ef\u4ee5\u5f00\u53d1\u81ea\u5df1\u7684\u8d44\u6e90\u8c03\u5ea6\u7b97\u6cd5\u4f9b Yarn \u8c03\u7528\u3002Yarn \u8fdb\u884c\u8d44\u6e90\u5206\u914d\u7684\u5355\u4f4d\u662f\u5bb9\u5668\uff08Container\uff09\uff0c\u6bcf\u4e2a\u5bb9\u5668\u5305\u542b\u4e86\u4e00\u5b9a\u91cf\u7684\u5185\u5b58\u3001CPU \u7b49\u8ba1\u7b97\u8d44\u6e90\uff0c\u9ed8\u8ba4\u914d\u7f6e\u4e0b\uff0c\u6bcf\u4e2a\u5bb9\u5668\u5305\u542b\u4e00\u4e2a CPU \u6838\u5fc3\u3002\u5bb9\u5668\u7531 NodeManager \u8fdb\u7a0b\u542f\u52a8\u548c\u7ba1\u7406\uff0cNodeManger \u8fdb\u7a0b\u4f1a\u76d1\u63a7\u672c\u8282\u70b9\u4e0a\u5bb9\u5668\u7684\u8fd0\u884c\u72b6\u51b5\u5e76\u5411 ResourceManger \u8fdb\u7a0b\u6c47\u62a5\u3002<\/p>\n\n\n\n<p>\u5e94\u7528\u7a0b\u5e8f\u7ba1\u7406\u5668\u8d1f\u8d23\u5e94\u7528\u7a0b\u5e8f\u7684\u63d0\u4ea4\u3001\u76d1\u63a7\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u72b6\u6001\u7b49\u3002\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u540e\u9700\u8981\u5728\u96c6\u7fa4\u4e2d\u8fd0\u884c\u4e00\u4e2a ApplicationMaster\uff0cApplicationMaster \u4e5f\u9700\u8981\u8fd0\u884c\u5728\u5bb9\u5668\u91cc\u9762\u3002\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u540e\u90fd\u4f1a\u5148\u542f\u52a8\u81ea\u5df1\u7684 ApplicationMaster\uff0c\u7531 ApplicationMaster \u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u8d44\u6e90\u9700\u6c42\u8fdb\u4e00\u6b65\u5411 ResourceManager \u8fdb\u7a0b\u7533\u8bf7\u5bb9\u5668\u8d44\u6e90\uff0c\u5f97\u5230\u5bb9\u5668\u4ee5\u540e\u5c31\u4f1a\u5206\u53d1\u81ea\u5df1\u7684\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u5230\u5bb9\u5668\u4e0a\u542f\u52a8\uff0c\u8fdb\u800c\u5f00\u59cb\u5206\u5e03\u5f0f\u8ba1\u7b97\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%B7%A8%E4%BA%BA%E7%9A%84%E8%82%A9%E8%86%80\"><\/span>\u5de8\u4eba\u7684\u80a9\u8180<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>1\u3001\u300a\u4ece\u96f6\u5f00\u59cb\u5b66\u5927\u6570\u636e\u300b<br>2\u3001\u300a\u67b6\u6784\u5e08\u7684\u81ea\u6211\u4fee\u70bc\u300b<br>3\u3001&nbsp;<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.cnblogs.com\/yszd\/p\/10885222.htm\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.cnblogs.com\/yszd\/p\/10885222.htm<\/a><br>4\u3001&nbsp;<a href=\"https:\/\/link.zhihu.com\/?target=http%3A\/\/hadoop.apache.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">http:\/\/hadoop.apache.org\/<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Hadoop\u6982\u8ff0 Hadoop\u4f53\u7cfb\u4e5f\u662f\u4e00\u4e2a\u8ba1\u7b97\u6846\u67b6\uff0c\u5728\u8fd9\u4e2a\u6846\u67b6\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u79cd\u7b80\u5355\u7684\u7f16\u7a0b\u6a21\u5f0f\uff0c\u901a\u8fc7\u591a&hellip; <a href=\"http:\/\/viplao.com\/index.php\/2023\/03\/19\/%e3%80%90%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7%e3%80%91%e4%b8%80%e6%96%87%e6%90%9e%e6%87%82-hadoop-%e7%94%9f%e6%80%81%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%bb%84%e4%bb%b6\/\" class=\"more-link read-more\" rel=\"bookmark\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">\u3010\u8fd0\u7ef4\u5de5\u5177\u3011\u4e00\u6587\u641e\u61c2 Hadoop \u751f\u6001\u7cfb\u7edf\u7684\u7ec4\u4ef6<\/span><i class=\"fa 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