{"id":1453,"date":"2020-05-29T01:40:05","date_gmt":"2020-05-28T17:40:05","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1453"},"modified":"2020-05-29T01:40:05","modified_gmt":"2020-05-28T17:40:05","slug":"hudi%e4%bd%bf%e7%94%a8%e5%9c%ba%e6%99%af%e8%bf%91%e5%ae%9e%e6%97%b6%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1453","title":{"rendered":"Hudi\u4f7f\u7528\u573a\u666f"},"content":{"rendered":"

\u8fd1\u5b9e\u65f6\u6444\u53d6<\/h2>\n

\u5c06\u5916\u90e8\u6e90(\u5982\u4e8b\u4ef6\u65e5\u5fd7\u3001\u6570\u636e\u5e93\u3001\u5916\u90e8\u6e90)\u7684\u6570\u636e\u6444\u53d6\u5230Hadoop\u6570\u636e\u6e56\u662f\u4e00\u4e2a\u4f17\u6240\u5468\u77e5\u7684\u95ee\u9898\u3002 \u5c3d\u7ba1\u8fd9\u4e9b\u6570\u636e\u5bf9\u6574\u4e2a\u7ec4\u7ec7\u6765\u8bf4\u662f\u6700\u6709\u4ef7\u503c\u7684\uff0c\u4f46\u4e0d\u5e78\u7684\u662f\uff0c\u5728\u5927\u591a\u6570(\u5982\u679c\u4e0d\u662f\u5168\u90e8)Hadoop\u90e8\u7f72\u4e2d\u90fd\u4f7f\u7528\u96f6\u6563\u7684\u65b9\u5f0f\u89e3\u51b3\uff0c\u5373\u4f7f\u7528\u591a\u4e2a\u4e0d\u540c\u7684\u6444\u53d6\u5de5\u5177\u3002
\n\u5bf9\u4e8eRDBMS\u6444\u53d6\uff0cHudi\u63d0\u4f9b\u00a0\u901a\u8fc7\u66f4\u65b0\u63d2\u5165\u8fbe\u5230\u66f4\u5feb\u52a0\u8f7d\uff0c\u800c\u4e0d\u662f\u6602\u8d35\u4e14\u4f4e\u6548\u7684\u6279\u91cf\u52a0\u8f7d\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8bfb\u53d6MySQL BIN\u65e5\u5fd7\u6216Sqoop\u589e\u91cf\u5bfc\u5165\u5e76\u5c06\u5176\u5e94\u7528\u4e8e DFS\u4e0a\u7684\u7b49\u6548Hudi\u8868\u3002\u8fd9\u6bd4\u6279\u91cf\u5408\u5e76\u4efb\u52a1\u53ca\u590d\u6742\u7684\u624b\u5de5\u5408\u5e76\u5de5\u4f5c\u6d41\u66f4\u5feb\/\u66f4\u6709\u6548\u7387\u3002
\n\u5bf9\u4e8eNoSQL\u6570\u636e\u5b58\u50a8\uff0c\u5982Cassandra\u00a0\/\u00a0Voldemort\u00a0\/\u00a0HBase\uff0c\u5373\u4f7f\u662f\u4e2d\u7b49\u89c4\u6a21\u5927\u5c0f\u4e5f\u4f1a\u5b58\u50a8\u6570\u5341\u4ebf\u884c\u3002 \u6beb\u65e0\u7591\u95ee\uff0c\u00a0\u5168\u91cf\u52a0\u8f7d\u4e0d\u53ef\u884c\uff0c\u5982\u679c\u6444\u53d6\u9700\u8981\u8ddf\u4e0a\u8f83\u9ad8\u7684\u66f4\u65b0\u91cf\uff0c\u90a3\u4e48\u5219\u9700\u8981\u66f4\u6709\u6548\u7684\u65b9\u6cd5\u3002
\n\u5373\u4f7f\u5bf9\u4e8e\u50cfKafka\u8fd9\u6837\u7684\u4e0d\u53ef\u53d8\u6570\u636e\u6e90\uff0cHudi\u4e5f\u53ef\u4ee5\u00a0\u5f3a\u5236\u5728HDFS\u4e0a\u4f7f\u7528\u6700\u5c0f\u6587\u4ef6\u5927\u5c0f, \u8fd9\u91c7\u53d6\u4e86\u7efc\u5408\u65b9\u5f0f\u89e3\u51b3HDFS\u5c0f\u6587\u4ef6\u95ee\u9898\u6765\u6539\u5584NameNode\u7684\u5065\u5eb7\u72b6\u51b5\u3002\u8fd9\u5bf9\u4e8b\u4ef6\u6d41\u6765\u8bf4\u66f4\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u901a\u5e38\u5177\u6709\u8f83\u9ad8\u5bb9\u91cf(\u4f8b\u5982\uff1a\u70b9\u51fb\u6d41)\uff0c\u5982\u679c\u7ba1\u7406\u4e0d\u5f53\uff0c\u53ef\u80fd\u4f1a\u5bf9Hadoop\u96c6\u7fa4\u9020\u6210\u4e25\u91cd\u635f\u5bb3\u3002
\n\u5728\u6240\u6709\u6e90\u4e2d\uff0c\u901a\u8fc7commits\u8fd9\u4e00\u6982\u5ff5\uff0cHudi\u589e\u52a0\u4e86\u4ee5\u539f\u5b50\u65b9\u5f0f\u5411\u6d88\u8d39\u8005\u53d1\u5e03\u65b0\u6570\u636e\u7684\u529f\u80fd\uff0c\u8fd9\u79cd\u529f\u80fd\u5341\u5206\u5fc5\u8981\u3002<\/p>\n

\u8fd1\u5b9e\u65f6\u5206\u6790<\/h2>\n

\u901a\u5e38\uff0c\u5b9e\u65f6\u6570\u636e\u96c6\u5e02\u7531\u4e13\u4e1a(\u5b9e\u65f6)\u6570\u636e\u5206\u6790\u5b58\u50a8\u63d0\u4f9b\u652f\u6301\uff0c\u4f8b\u5982Druid\u6216Memsql\u6216OpenTSDB\u3002 \u8fd9\u5bf9\u4e8e\u8f83\u5c0f\u89c4\u6a21\u7684\u6570\u636e\u91cf\u6765\u8bf4\u7edd\u5bf9\u662f\u5b8c\u7f8e\u7684(\u76f8\u6bd4\u4e8e\u8fd9\u6837\u5b89\u88c5Hadoop)\uff0c\u8fd9\u79cd\u60c5\u51b5\u9700\u8981\u5728\u4e9a\u79d2\u7ea7\u54cd\u5e94\u67e5\u8be2\uff0c\u4f8b\u5982\u7cfb\u7edf\u76d1\u63a7\u6216\u4ea4\u4e92\u5f0f\u5b9e\u65f6\u5206\u6790\u3002 \u4f46\u662f\uff0c\u7531\u4e8eHadoop\u4e0a\u7684\u6570\u636e\u592a\u9648\u65e7\u4e86\uff0c\u901a\u5e38\u8fd9\u4e9b\u7cfb\u7edf\u4f1a\u88ab\u6ee5\u7528\u4e8e\u975e\u4ea4\u4e92\u5f0f\u67e5\u8be2\uff0c\u8fd9\u5bfc\u81f4\u5229\u7528\u7387\u4e0d\u8db3\u548c\u786c\u4ef6\/\u8bb8\u53ef\u8bc1\u6210\u672c\u7684\u6d6a\u8d39\u3002
\n\u53e6\u4e00\u65b9\u9762\uff0cHadoop\u4e0a\u7684\u4ea4\u4e92\u5f0fSQL\u89e3\u51b3\u65b9\u6848(\u5982Presto\u548cSparkSQL)\u8868\u73b0\u51fa\u8272\uff0c\u5728\u00a0\u51e0\u79d2\u949f\u5185\u5b8c\u6210\u67e5\u8be2\u3002 \u901a\u8fc7\u5c06\u00a0\u6570\u636e\u65b0\u9c9c\u5ea6\u63d0\u9ad8\u5230\u51e0\u5206\u949f\uff0cHudi\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u66f4\u6709\u6548\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u5e76\u652f\u6301\u5b58\u50a8\u5728DFS\u4e2d\u7684\u00a0\u6570\u91cf\u7ea7\u66f4\u5927\u7684\u6570\u636e\u96c6\u00a0\u7684\u5b9e\u65f6\u5206\u6790\u3002 \u6b64\u5916\uff0cHudi\u6ca1\u6709\u5916\u90e8\u4f9d\u8d56(\u5982\u4e13\u7528\u4e8e\u5b9e\u65f6\u5206\u6790\u7684HBase\u96c6\u7fa4)\uff0c\u56e0\u6b64\u53ef\u4ee5\u5728\u66f4\u65b0\u7684\u5206\u6790\u4e0a\u5b9e\u73b0\u66f4\u5feb\u7684\u5206\u6790\uff0c\u800c\u4e0d\u4f1a\u589e\u52a0\u64cd\u4f5c\u5f00\u9500\u3002<\/p>\n

\u589e\u91cf\u5904\u7406\u7ba1\u9053<\/h2>\n

Hadoop\u63d0\u4f9b\u7684\u4e00\u4e2a\u57fa\u672c\u80fd\u529b\u662f\u6784\u5efa\u4e00\u7cfb\u5217\u6570\u636e\u96c6\uff0c\u8fd9\u4e9b\u6570\u636e\u96c6\u901a\u8fc7\u8868\u793a\u4e3a\u5de5\u4f5c\u6d41\u7684DAG\u76f8\u4e92\u6d3e\u751f\u3002 \u5de5\u4f5c\u6d41\u901a\u5e38\u53d6\u51b3\u4e8e\u591a\u4e2a\u4e0a\u6e38\u5de5\u4f5c\u6d41\u8f93\u51fa\u7684\u65b0\u6570\u636e\uff0c\u65b0\u6570\u636e\u7684\u53ef\u7528\u6027\u4f20\u7edf\u4e0a\u7531\u65b0\u7684DFS\u6587\u4ef6\u5939\/Hive\u5206\u533a\u6307\u793a\u3002 \u8ba9\u6211\u4eec\u4e3e\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\u6765\u8bf4\u660e\u8fd9\u70b9\u3002\u4e0a\u6e38\u5de5\u4f5c\u6d41U\u53ef\u4ee5\u6bcf\u5c0f\u65f6\u521b\u5efa\u4e00\u4e2aHive\u5206\u533a\uff0c\u5728\u6bcf\u5c0f\u65f6\u7ed3\u675f\u65f6(processing_time)\u4f7f\u7528\u8be5\u5c0f\u65f6\u7684\u6570\u636e(event_time)\uff0c\u63d0\u4f9b1\u5c0f\u65f6\u7684\u6709\u6548\u65b0\u9c9c\u5ea6\u3002 \u7136\u540e\uff0c\u4e0b\u6e38\u5de5\u4f5c\u6d41D\u5728U\u7ed3\u675f\u540e\u7acb\u5373\u542f\u52a8\uff0c\u5e76\u5728\u4e0b\u4e00\u4e2a\u5c0f\u65f6\u5185\u81ea\u884c\u5904\u7406\uff0c\u5c06\u6709\u6548\u5ef6\u8fdf\u65f6\u95f4\u589e\u52a0\u52302\u5c0f\u65f6\u3002
\n\u4e0a\u9762\u7684\u793a\u4f8b\u5ffd\u7565\u4e86\u8fdf\u5230\u7684\u6570\u636e\uff0c\u5373processing_time\u548cevent_time\u5206\u5f00\u65f6\u3002 \u4e0d\u5e78\u7684\u662f\uff0c\u5728\u4eca\u5929\u7684\u540e\u79fb\u52a8\u548c\u524d\u7269\u8054\u7f51\u4e16\u754c\u4e2d\uff0c\u6765\u81ea\u95f4\u6b47\u6027\u8fde\u63a5\u7684\u79fb\u52a8\u8bbe\u5907\u548c\u4f20\u611f\u5668\u7684\u5ef6\u8fdf\u6570\u636e\u662f\u5e38\u6001\uff0c\u800c\u4e0d\u662f\u5f02\u5e38\u3002 \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4fdd\u8bc1\u6b63\u786e\u6027\u7684\u552f\u4e00\u8865\u6551\u63aa\u65bd\u662f\u91cd\u65b0\u5904\u7406\u6700\u540e\u51e0\u4e2a\u5c0f\u65f6\u7684\u6570\u636e\uff0c \u6bcf\u5c0f\u65f6\u4e00\u904d\u53c8\u4e00\u904d\uff0c\u8fd9\u53ef\u80fd\u4f1a\u4e25\u91cd\u5f71\u54cd\u6574\u4e2a\u751f\u6001\u7cfb\u7edf\u7684\u6548\u7387\u3002\u4f8b\u5982; \u8bd5\u60f3\u4e00\u4e0b\uff0c\u5728\u6570\u767e\u4e2a\u5de5\u4f5c\u6d41\u4e2d\u6bcf\u5c0f\u65f6\u91cd\u65b0\u5904\u7406TB\u6570\u636e\u3002
\nHudi\u901a\u8fc7\u4ee5\u5355\u4e2a\u8bb0\u5f55\u4e3a\u7c92\u5ea6\u7684\u65b9\u5f0f(\u800c\u4e0d\u662f\u6587\u4ef6\u5939\/\u5206\u533a)\u4ece\u4e0a\u6e38 Hudi\u6570\u636e\u96c6HU\u6d88\u8d39\u65b0\u6570\u636e(\u5305\u62ec\u8fdf\u5230\u6570\u636e)\uff0c\u6765\u89e3\u51b3\u4e0a\u9762\u7684\u95ee\u9898\u3002 \u5e94\u7528\u5904\u7406\u903b\u8f91\uff0c\u5e76\u4f7f\u7528\u4e0b\u6e38Hudi\u6570\u636e\u96c6HD\u9ad8\u6548\u66f4\u65b0\/\u534f\u8c03\u8fdf\u5230\u6570\u636e\u3002\u5728\u8fd9\u91cc\uff0cHU\u548cHD\u53ef\u4ee5\u4ee5\u66f4\u9891\u7e41\u7684\u65f6\u95f4\u88ab\u8fde\u7eed\u8c03\u5ea6 \u6bd4\u598215\u5206\u949f\uff0c\u5e76\u4e14HD\u63d0\u4f9b\u7aef\u5230\u7aef30\u5206\u949f\u7684\u5ef6\u8fdf\u3002
\n\u4e3a\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\uff0cHudi\u91c7\u7528\u4e86\u7c7b\u4f3c\u4e8eSpark Streaming\u3001\u53d1\u5e03\/\u8ba2\u9605\u7cfb\u7edf\u7b49\u6d41\u5904\u7406\u6846\u67b6\uff0c\u4ee5\u53ca\u50cfKafka\u00a0\u6216Oracle XStream\u7b49\u6570\u636e\u5e93\u590d\u5236\u6280\u672f\u7684\u7c7b\u4f3c\u6982\u5ff5\u3002 \u5982\u679c\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u5728\u8fd9\u91cc\u627e\u5230\u6709\u5173\u589e\u91cf\u5904\u7406(\u76f8\u6bd4\u4e8e\u6d41\u5904\u7406\u548c\u6279\u5904\u7406)\u597d\u5904\u7684\u66f4\u8be6\u7ec6\u89e3\u91ca\u3002<\/p>\n

DFS\u7684\u6570\u636e\u5206\u53d1<\/h2>\n

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