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\u9636\u6bb5\u4e8c&#xff1a;\u4f5c\u4e1a\u89e3\u6790\u4e0e\u8f6c\u6362&#xff08;JobManager\u4fa7&#xff09;<\/h4>\n<p>Dispatcher\u63a5\u6536\u4f5c\u4e1a\u540e&#xff0c;\u542f\u52a8\u4e00\u4e2a\u72ec\u7acb\u7684JobManager\u5b9e\u4f8b&#xff08;\u82e5\u4e3a\u9ad8\u53ef\u7528\u6a21\u5f0f&#xff0c;\u9700\u901a\u8fc7ZooKeeper\u9009\u4e3e\u4e3bJobManager&#xff09;\u3002JobManager\u7684\u6838\u5fc3\u4efb\u52a1\u662f\u5c06\u7528\u6237\u7684\u903b\u8f91\u4ee3\u7801\u8f6c\u6362\u4e3a\u53ef\u6267\u884c\u7684\u7269\u7406\u4efb\u52a1&#xff1a;<\/p>\n<li>\u751f\u6210JobGraph&#xff1a;\u5c06\u7528\u6237\u4ee3\u7801\u4e2d\u7684\u6570\u636e\u6d41\u903b\u8f91&#xff08;\u5982DataStream.map()\u3001keyBy().window()&#xff09;\u8f6c\u6362\u4e3a\u6709\u5411\u65e0\u73af\u56fe&#xff08;DAG&#xff09;&#xff0c;\u56fe\u4e2d\u7684\u8282\u70b9\u662f\u7b97\u5b50&#xff08;Operator&#xff09;&#xff0c;\u8fb9\u662f\u6570\u636e\u6d41\u7684\u4f20\u8f93\u5173\u7cfb\u3002<\/li>\n<li>\u4f18\u5316\u4e0e\u8f6c\u6362\u4e3aExecutionGraph&#xff1a;\u6839\u636e\u5e76\u884c\u5ea6\u914d\u7f6e&#xff08;\u5982setParallelism(4)&#xff09;&#xff0c;\u5c06\u6bcf\u4e2a\u7b97\u5b50\u590d\u5236\u4e3a\u591a\u4e2a\u5e76\u884c\u5b50\u4efb\u52a1&#xff08;SubTask&#xff09;&#xff0c;\u5e76\u5efa\u7acb\u5b50\u4efb\u52a1\u95f4\u7684\u6570\u636e\u6d41\u8fde\u63a5\u3002\u6b64\u65f6&#xff0c;ExecutionGraph\u5df2\u660e\u786e\u201c\u6bcf\u4e2a\u5b50\u4efb\u52a1\u7531\u54ea\u4e2aTaskManager\u6267\u884c\u201d\u3002<\/li>\n<li>\u751f\u6210\u7269\u7406\u6267\u884c\u56fe&#xff1a;\u5c06ExecutionGraph\u8fdb\u4e00\u6b65\u5206\u89e3\u4e3a\u4efb\u52a1&#xff08;Task&#xff09;&#xff0c;\u5e76\u4e3a\u6bcf\u4e2aTask\u5206\u914d\u5177\u4f53\u7684\u8d44\u6e90\u69fd\u4f4d&#xff08;Slot&#xff09;\u3002<\/li>\n<h4>2.3 \u9636\u6bb5\u4e09&#xff1a;\u8d44\u6e90\u5206\u914d&#xff08;ResourceManager\u534f\u8c03&#xff09;<\/h4>\n<p>JobManager\u5c06\u9700\u8981\u7684\u8d44\u6e90\u9700\u6c42&#xff08;\u5982\u9700\u8981\u591a\u5c11\u4e2aTaskManager\u3001\u6bcf\u4e2aTaskManager\u9700\u8981\u591a\u5c11Slot&#xff09;\u63d0\u4ea4\u7ed9ResourceManager\u3002ResourceManager\u6839\u636e\u5f53\u524d\u96c6\u7fa4\u8d44\u6e90\u72b6\u6001&#xff08;\u5982\u53ef\u7528\u7684TaskManager\u6570\u91cf\u3001\u7a7a\u95f2Slot\u6570&#xff09;&#xff0c;\u51b3\u5b9a\u662f\u5426\u9700\u8981\u4ece\u5916\u90e8\u8d44\u6e90\u7ba1\u7406\u5668&#xff08;\u5982YARN&#xff09;\u7533\u8bf7\u65b0\u7684\u5bb9\u5668&#xff0c;\u6216\u76f4\u63a5\u4ece\u73b0\u6709TaskManager\u4e2d\u5206\u914dSlot\u3002<\/p>\n<h4>2.4 \u9636\u6bb5\u56db&#xff1a;\u4efb\u52a1\u6267\u884c&#xff08;TaskManager\u4fa7&#xff09;<\/h4>\n<p>TaskManager\u83b7\u53d6\u5230\u5206\u914d\u7684Slot\u540e&#xff0c;\u542f\u52a8\u7ebf\u7a0b\u6267\u884c\u5177\u4f53\u7684Task\u3002\u6bcf\u4e2aTask\u5bf9\u5e94\u4e00\u4e2a\u7b97\u5b50\u7684\u5e76\u884c\u5b9e\u4f8b&#xff08;\u5982\u4e00\u4e2aKeyedProcessFunction\u7684\u5b50\u4efb\u52a1&#xff09;&#xff0c;\u5176\u6267\u884c\u903b\u8f91\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u6570\u636e\u6e90\u8bfb\u53d6&#xff1a;\u4eceKafka\u3001\u6587\u4ef6\u7cfb\u7edf\u6216\u81ea\u5b9a\u4e49\u6e90\u8bfb\u53d6\u6570\u636e&#xff1b;<\/li>\n<li>\u6570\u636e\u5904\u7406&#xff1a;\u5e94\u7528\u7528\u6237\u5b9a\u4e49\u7684\u8f6c\u6362\u903b\u8f91&#xff08;\u5982\u8fc7\u6ee4\u3001\u805a\u5408\u3001\u7a97\u53e3\u8ba1\u7b97&#xff09;&#xff1b;<\/li>\n<li>\u72b6\u6001\u7ba1\u7406&#xff1a;\u8bbf\u95ee\u6216\u66f4\u65b0\u672c\u5730\u72b6\u6001&#xff08;\u5982\u901a\u8fc7RuntimeContext.getState()\u83b7\u53d6\u72b6\u6001\u53e5\u67c4&#xff09;&#xff1b;<\/li>\n<li>\u6570\u636e\u8f93\u51fa&#xff1a;\u5c06\u5904\u7406\u540e\u7684\u6570\u636e\u53d1\u9001\u5230\u4e0b\u6e38Task\u6216\u5916\u90e8\u7cfb\u7edf&#xff08;\u5982\u5199\u5165Redis\u3001\u6570\u636e\u5e93\u6216\u6d88\u606f\u961f\u5217&#xff09;\u3002<\/li>\n<\/ul>\n<h4>2.5 \u9636\u6bb5\u4e94&#xff1a;\u7ed3\u679c\u8f93\u51fa\u4e0e\u4f5c\u4e1a\u7ec8\u6b62<\/h4>\n<p>\u5f53\u4f5c\u4e1a\u5b8c\u6210&#xff08;\u5982\u6279\u5904\u7406\u4efb\u52a1\u6240\u6709\u6570\u636e\u5904\u7406\u5b8c\u6bd5&#xff09;\u6216\u7528\u6237\u4e3b\u52a8\u53d6\u6d88\u65f6&#xff0c;JobManager\u4f1a\u534f\u8c03TaskManager\u505c\u6b62\u4efb\u52a1\u6267\u884c&#xff0c;\u5e76\u91ca\u653e\u5360\u7528\u7684Slot\u8d44\u6e90\u3002\u5bf9\u4e8e\u5b9e\u65f6\u6d41\u4f5c\u4e1a&#xff0c;\u4efb\u52a1\u4f1a\u6301\u7eed\u8fd0\u884c&#xff0c;\u76f4\u5230\u4eba\u4e3a\u7ec8\u6b62\u6216\u53d1\u751f\u4e0d\u53ef\u6062\u590d\u7684\u6545\u969c&#xff08;\u5982\u6240\u6709Checkpoint\u5747\u5931\u8d25&#xff09;\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u6848\u4f8b\u5206\u6790&#xff1a;\u7535\u5546\u5b9e\u65f6\u9500\u91cf\u7edf\u8ba1\u7684Flink\u5b9e\u8df5<\/h3>\n<p>\u4e3a\u4e86\u66f4\u76f4\u89c2\u5730\u7406\u89e3Flink\u7684\u67b6\u6784\u4e0e\u6d41\u7a0b&#xff0c;\u6211\u4eec\u4ee5\u201c\u7535\u5546\u5b9e\u65f6\u9500\u91cf\u7edf\u8ba1\u201d\u573a\u666f\u4e3a\u4f8b&#xff0c;\u6a21\u62df\u4e00\u4e2a\u5178\u578b\u7684\u5b9e\u65f6\u6d41\u5904\u7406\u4efb\u52a1\u3002<\/p>\n<h4>3.1 \u4e1a\u52a1\u9700\u6c42<\/h4>\n<p>\u67d0\u7535\u5546\u5e73\u53f0\u9700\u8981\u5b9e\u65f6\u7edf\u8ba1\u201c\u6bcf5\u5206\u949f\u5185&#xff0c;\u5404\u5546\u54c1\u7c7b\u76ee\u7684\u8ba2\u5355\u603b\u91d1\u989d\u201d&#xff0c;\u8981\u6c42\u5ef6\u8fdf\u4f4e\u4e8e1\u79d2&#xff0c;\u4e14\u6570\u636e\u51c6\u786e&#xff08;\u5373\u4f7f\u4efb\u52a1\u5931\u8d25\u91cd\u542f&#xff0c;\u7edf\u8ba1\u7ed3\u679c\u4e0d\u4e22\u5931\u6216\u91cd\u590d&#xff09;\u3002<\/p>\n<h4>3.2 \u6280\u672f\u65b9\u6848\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6570\u636e\u6e90&#xff1a;\u8ba2\u5355\u4e8b\u4ef6\u901a\u8fc7Kafka\u6d88\u606f\u961f\u5217\u5b9e\u65f6\u5199\u5165&#xff08;\u4e3b\u9898&#xff1a;order_topic&#xff09;&#xff1b;<\/li>\n<li>\u6570\u636e\u5904\u7406&#xff1a;\u4f7f\u7528Flink\u8bfb\u53d6Kafka\u6570\u636e&#xff0c;\u6309\u5546\u54c1\u7c7b\u76ee&#xff08;category&#xff09;\u5206\u7ec4&#xff0c;\u6bcf5\u5206\u949f\u6eda\u52a8\u7a97\u53e3&#xff08;Tumbling Window&#xff09;\u805a\u5408\u603b\u91d1\u989d&#xff1b;<\/li>\n<li>\u7ed3\u679c\u8f93\u51fa&#xff1a;\u5c06\u7edf\u8ba1\u7ed3\u679c\u5199\u5165Redis&#xff08;\u952e&#xff1a;category_sales_${window_end}&#xff0c;\u503c&#xff1a;\u603b\u91d1\u989d&#xff09;\u3002<\/li>\n<\/ul>\n<h4>3.3 Flink\u67b6\u6784\u7684\u534f\u4f5c\u8fc7\u7a0b<\/h4>\n<li>\u4f5c\u4e1a\u63d0\u4ea4&#xff1a;\u7528\u6237\u901a\u8fc7flink run\u547d\u4ee4\u63d0\u4ea4\u5305\u542b\u4e0a\u8ff0\u903b\u8f91\u7684JAR\u5305&#xff0c;Dispatcher\u63a5\u6536\u540e\u542f\u52a8JobManager\u3002<\/li>\n<li>\u4f5c\u4e1a\u89e3\u6790&#xff1a;JobManager\u5c06\u7528\u6237\u4ee3\u7801\u8f6c\u6362\u4e3aJobGraph&#xff08;\u5305\u542bKafka\u6e90\u7b97\u5b50\u2192\u5206\u7ec4\u7b97\u5b50\u2192\u7a97\u53e3\u805a\u5408\u7b97\u5b50\u2192RedisSink\u7b97\u5b50&#xff09;&#xff0c;\u5e76\u6839\u636e\u5e76\u884c\u5ea6&#xff08;\u5047\u8bbe\u8bbe\u7f6e\u4e3a4&#xff09;\u751f\u6210ExecutionGraph&#xff08;\u6bcf\u4e2a\u7b97\u5b50\u67094\u4e2a\u5e76\u884c\u5b50\u4efb\u52a1&#xff09;\u3002<\/li>\n<li>\u8d44\u6e90\u5206\u914d&#xff1a;ResourceManager\u68c0\u67e5\u96c6\u7fa4\u4e2d\u662f\u5426\u67094\u4e2a\u7a7a\u95f2Slot&#xff08;\u5047\u8bbe\u5f53\u524d\u67092\u4e2aTaskManager&#xff0c;\u6bcf\u4e2a\u63d0\u4f9b2\u4e2aSlot&#xff09;&#xff0c;\u76f4\u63a5\u5206\u914d\u8d44\u6e90\u3002<\/li>\n<li>\u4efb\u52a1\u6267\u884c&#xff1a;\n<ul>\n<li>Kafka\u6e90Task&#xff08;\u6bcf\u4e2aTaskManager\u7684Slot&#xff09;\u4eceKafka\u62c9\u53d6\u8ba2\u5355\u6570\u636e&#xff0c;\u53cd\u5e8f\u5217\u5316\u4e3aOrder\u5bf9\u8c61&#xff08;\u5305\u542bcategory\u3001amount\u3001event_time\u5b57\u6bb5&#xff09;&#xff1b;<\/li>\n<li>\u5206\u7ec4Task\u6839\u636ecategory\u7684\u54c8\u5e0c\u503c\u5c06\u6570\u636e\u8def\u7531\u5230\u5bf9\u5e94\u7684\u4e0b\u6e38\u7a97\u53e3\u805a\u5408Task&#xff1b;<\/li>\n<li>\u7a97\u53e3\u805a\u5408Task\u57fa\u4e8e\u4e8b\u4ef6\u65f6\u95f4&#xff08;event_time&#xff09;\u5212\u52065\u5206\u949f\u7a97\u53e3&#xff0c;\u4f7f\u7528Flink\u7684WindowFunction\u8ba1\u7b97\u6bcf\u4e2a\u7a97\u53e3\u7684\u603b\u91d1\u989d&#xff0c;\u5e76\u5c06\u7ed3\u679c\u6682\u5b58\u672c\u5730\u72b6\u6001&#xff1b;<\/li>\n<li>RedisSink Task\u4ece\u7a97\u53e3\u805a\u5408Task\u63a5\u6536\u7ed3\u679c&#xff0c;\u6279\u91cf\u5199\u5165Redis\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5bb9\u9519\u4fdd\u969c&#xff1a;JobManager\u6bcf30\u79d2\u89e6\u53d1\u4e00\u6b21Checkpoint&#xff0c;\u5c06\u6240\u6709Task\u7684\u72b6\u6001&#xff08;\u5982\u7a97\u53e3\u7684\u4e2d\u95f4\u7ed3\u679c\u3001Kafka\u7684\u6d88\u8d39\u504f\u79fb\u91cf&#xff09;\u6301\u4e45\u5316\u5230HDFS\u3002\u82e5\u67d0\u4e2aTaskManager\u6545\u969c&#xff0c;JobManager\u4f1a\u6839\u636eCheckpoint\u72b6\u6001\u91cd\u542f\u6545\u969cTask&#xff0c;\u5e76\u4ece\u5176\u4ed6TaskManager\u91cd\u65b0\u540c\u6b65\u6570\u636e\u3002<\/li>\n<h4>3.4 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