{"id":37008,"date":"2023-05-18T01:26:20","date_gmt":"2022-12-25T05:16:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/apache-kafka%e8%83%bd%e5%a4%9f%e7%a1%ae%e4%bf%9d%e6%b6%88%e6%81%af%e7%9a%84%e9%a1%ba%e5%ba%8f%e6%80%a7%e5%90%97%ef%bc%9f\/"},"modified":"2024-04-30T04:42:51","modified_gmt":"2024-04-29T20:42:51","slug":"apache-kafka%e8%83%bd%e5%a4%9f%e7%a1%ae%e4%bf%9d%e6%b6%88%e6%81%af%e7%9a%84%e9%a1%ba%e5%ba%8f%e6%80%a7%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/apache-kafka%e8%83%bd%e5%a4%9f%e7%a1%ae%e4%bf%9d%e6%b6%88%e6%81%af%e7%9a%84%e9%a1%ba%e5%ba%8f%e6%80%a7%e5%90%97%ef%bc%9f\/","title":{"rendered":"Apache Kafka\u00ae\u80fd\u591f\u786e\u4fdd\u6d88\u606f\u7684\u987a\u5e8f\u6027\u5417\uff1f"},"content":{"rendered":"

Apache Kafka\u00ae\u771f\u7684\u80fd\u4fdd\u7559\u6d88\u606f\u6392\u5e8f\u5417\uff1f<\/p>\n

2023\u5e743\u670821\u65e5 -> 2023\u5e743\u670821\u53f7<\/p>\n

Apache Kafka\u00ae \u80fd\u591f\u771f\u6b63\u4fdd\u6301\u6d88\u606f\u7684\u987a\u5e8f\u5417\uff1f<\/h1>\n

Apache Kafka\u00ae\u88ab\u79f0\u4e3a\u53ef\u4ee5\u6309\u7167\u4e3b\u9898\/\u5206\u533a\u4fdd\u6301\u6d88\u606f\u987a\u5e8f\uff0c\u4f46\u8fd9\u662f\u771f\u7684\u5417\uff1f<\/p>\n

Apache Kafka\u00ae\u6700\u8457\u540d\u7684\u53e3\u53f7\u4e4b\u4e00\u662f\u201c\u4fdd\u6301\u6bcf\u4e2a\u4e3b\u9898\u5206\u533a\u7684\u6d88\u606f\u987a\u5e8f\u201d\uff0c\u4f46\u8fd9\u662f\u5426\u603b\u662f\u6b63\u786e\u7684\u5462\uff1f\u5728\u8fd9\u7bc7\u535a\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u5206\u6790\u63a5\u53d7\u8fd9\u4e2a\u53e3\u53f7\u800c\u4e0d\u6000\u7591\u7684\u8bdd\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u610f\u6599\u4e4b\u5916\u7684\u3001\u9519\u8bef\u7684\u6d88\u606f\u987a\u5e8f\u7684\u4e00\u4e9b\u5b9e\u9645\u573a\u666f\u3002<\/p>\n

\u57fa\u672c\u60c5\u8282\uff1a\u4e00\u4e2a\u5355\u4e00\u7684\u5236\u4f5c\u4eba<\/h2>\n

\u8ba9\u6211\u4eec\u4ece\u57fa\u672c\u7684\u573a\u666f\u5f00\u59cb\u3002\u4e00\u4e2a\u5355\u72ec\u7684\u751f\u4ea7\u8005\u4f9d\u6b21\u5411\u62e5\u6709\u5355\u4e2a\u5206\u533a\u7684Apache Kafka\u4e3b\u9898\u53d1\u9001\u6d88\u606f\u3002<\/p>\n

\"Apache<\/div>\n

\u5728\u8fd9\u79cd\u57fa\u672c\u60c5\u51b5\u4e0b\uff0c\u6839\u636e\u4f17\u6240\u5468\u77e5\u7684\u53e3\u5934\u7985\uff0c\u6211\u4eec\u5e94\u8be5\u603b\u662f\u671f\u5f85\u6b63\u786e\u7684\u987a\u5e8f\u3002\u4f46\u8fd9\u662f\u771f\u7684\u5417\uff1f\u55ef…\u8fd9\u53d6\u51b3\u4e8e\u60c5\u51b5\uff01<\/p>\n

\u7f51\u7edc\u4e0d\u5e73\u7b49<\/h3>\n

\u5728\u7406\u60f3\u7684\u4e16\u754c\u4e2d\uff0c\u5355\u4e00\u751f\u4ea7\u8005\u7684\u60c5\u51b5\u5e94\u8be5\u59cb\u7ec8\u662f\u6b63\u786e\u7684\u987a\u5e8f\u3002\u7136\u800c\uff0c\u6211\u4eec\u7684\u4e16\u754c\u5e76\u4e0d\u5b8c\u7f8e\uff01\u4e0d\u540c\u7684\u7f51\u7edc\u8def\u5f84\u3001\u9519\u8bef\u548c\u5ef6\u8fdf\u610f\u5473\u7740\u6d88\u606f\u53ef\u80fd\u4f1a\u5ef6\u8fdf\u6216\u4e22\u5931\u3002<\/p>\n

\u8ba9\u6211\u4eec\u60f3\u8c61\u4ee5\u4e0b\u8fd9\u79cd\u60c5\u51b5\uff1a\u4e00\u4e2a\u552f\u4e00\u7684\u751f\u4ea7\u8005\u5411\u4e00\u4e2a\u8bdd\u9898\u53d1\u9001\u4e86\u4e09\u6761\u6d88\u606f\u3002<\/p>\n

    \n
  • \n
      \u30e1\u30c3\u30bb\u30fc\u30b8 1 \u306f\u3001\u4f55\u3089\u304b\u306e\u7406\u7531\u3067 Apache Kafka \u3078\u306e\u9577\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30eb\u30fc\u30c8\u3092\u898b\u3064\u3051\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n

       <\/p>\n

        \n
      • \n
          \u30e1\u30c3\u30bb\u30fc\u30b8 2 \u306f Apache Kafka \u3078\u306e\u6700\u77ed\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30eb\u30fc\u30c8\u3092\u898b\u3064\u3051\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n

           <\/p>\n

            \u30e1\u30c3\u30bb\u30fc\u30b8 3 \u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u8ff7\u5b50\u306b\u306a\u308b\u3002<\/ul>\n
            \"1\u3064\u306e\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u304c3\u3064\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6295\u7a3f\u3057\u3066\u3044\u308b\u3002End<\/div>\n

            \u5373\u4f7f\u662f\u8fd9\u79cd\u57fa\u672c\u7684\u60c5\u8282\uff0c\u53ea\u8981\u6709\u4e00\u4e2a\u5236\u7247\u4eba\uff0c\u5c31\u53ef\u4ee5\u83b7\u5f97\u5173\u4e8e\u8bdd\u9898\u7684\u4e00\u7cfb\u5217\u610f\u5916\u4fe1\u606f\u3002<\/p>\n

            Kafka\u4e3b\u9898\u7684\u6700\u7ec8\u7ed3\u679c\u53ea\u4fdd\u5b58\u4e86\u4e24\u4e2a\u4e8b\u4ef6\uff0c\u5e76\u4ee5\u610f\u5916\u7684\u987a\u5e8f2\u548c1\u8fdb\u884c\u663e\u793a\u3002<\/p>\n

            \u8003\u3048\u3066\u307f\u308b\u3068\u3001\u4eceApache Kafka\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u662f\u6b63\u786e\u7684\u987a\u5e8f\u3002\u4e3b\u9898\u53ea\u4e0d\u8fc7\u662f\u4fe1\u606f\u65e5\u5fd7\u800c\u5df2\uff0cApache Kafka\u4f1a\u5728\u5bdf\u89c9\u5230\u65b0\u4e8b\u4ef6\u5230\u8fbe\u65f6\uff0c\u6839\u636e\u6d88\u606f\u7684\u65f6\u95f4\u6233\u5c06\u5176\u5199\u5165\u65e5\u5fd7\u3002\u8fd9\u662f\u57fa\u4e8eKafka\u7684\u6444\u5165\u65f6\u95f4\uff0c\u800c\u4e0d\u662f\u6d88\u606f\u521b\u5efa\u7684\u65f6\u95f4\uff08\u4e8b\u4ef6\u65f6\u95f4\uff09\u3002<\/p>\n

            \u91cd\u8bd5\u3002<\/h3>\n

            \u7136\u800c\uff0c\u5e76\u4e0d\u662f\u4e00\u5207\u90fd\u5df2\u7ecf\u5931\u53bb\uff01\u901a\u8fc7\u7814\u7a76\u751f\u4ea7\u5e93\uff08aiokafka\u5c31\u662f\u4e00\u4e2a\u4f8b\u5b50\uff09\uff0c\u53ef\u4ee5\u627e\u5230\u786e\u4fdd\u6d88\u606f\u6b63\u786e\u4f20\u9012\u7684\u65b9\u6cd5\u3002<\/p>\n

            \u9996\u5148\uff0c\u53ef\u4ee5\u5b9a\u4e49\u9002\u5f53\u7684\u6279\u51c6\u673a\u5236\u6765\u907f\u514d\u4e0a\u8ff0\u60c5\u666f\u4e2d\u7684\u7b2c3\u4e2a\u95ee\u9898\u3002\u4f7f\u7528`acks`\u751f\u4ea7\u8005\u53c2\u6570\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4eceApache Kafka\u4e2d\u5e0c\u671b\u63a5\u6536\u7684\u786e\u8ba4\u7c7b\u578b\u3002<\/p>\n

            \u5f53\u5c06\u6b64\u53c2\u6570\u8bbe\u7f6e\u4e3a1\u65f6\uff0c\u53ef\u4ee5\u786e\u4fdd\u4ece\u8d1f\u8d23\u4e3b\u526f\u672c\u7684\u4ee3\u7406\u670d\u52a1\u5668\u63a5\u6536\u5230\u786e\u8ba4\u54cd\u5e94\u3002\u5f53\u8bbe\u7f6e\u4e3aall\u65f6\uff0c\u53ea\u6709\u5728\u4e3b\u526f\u672c\u548c\u526f\u672c\u90fd\u6b63\u786e\u4fdd\u5b58\u6d88\u606f\u65f6\u624d\u80fd\u63a5\u6536\u5230\u786e\u8ba4\u54cd\u5e94\uff0c\u4ece\u800c\u907f\u514d\u4e86\u5728\u4e3b\u670d\u52a1\u5668\u63a5\u6536\u6d88\u606f\u5e76\u4f20\u64ad\u5230\u526f\u672c\u4e4b\u524d\u53d1\u751f\u5931\u8d25\u7684\u95ee\u9898\u3002<\/p>\n

            \u5728\u8bbe\u7f6e\u4e86\u9002\u5f53\u7684ack\u4e4b\u540e\uff0c\u5982\u679c\u6ca1\u6709\u6536\u5230\u9002\u5f53\u7684\u786e\u8ba4\u54cd\u5e94\uff0c\u5219\u8bbe\u7f6e\u91cd\u65b0\u5c1d\u8bd5\u53d1\u9001\u6d88\u606f\u3002\u4e0e\u5176\u4ed6\u5e93\uff08\u4f8b\u5982kafka-python\uff09\u4e0d\u540c\u7684\u662f\uff0caiokafka\u4f1a\u81ea\u52a8\u91cd\u65b0\u5c1d\u8bd5\u53d1\u9001\u6d88\u606f\u76f4\u5230\u8d85\u51fa\u8d85\u65f6\u65f6\u95f4\uff08\u901a\u8fc7request_timeout_ms\u53c2\u6570\u8fdb\u884c\u8bbe\u7f6e\uff09\u3002<\/p>\n

            \u5982\u679c\u4f7f\u7528\u4e86 acknowledgment \u548c\u81ea\u52a8\u91cd\u8bd5\uff0c\u5e94\u8be5\u80fd\u591f\u89e3\u51b3\u6d88\u606f 3 \u7684\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u5728 retry_backoff_ms \u7684\u95f4\u9694\u540e\uff0c\u751f\u4ea7\u8005\u4f1a\u518d\u6b21\u53d1\u9001\u6d88\u606f 3\u3002<\/p>\n

            \u6240\u4ee5\uff0c\u5728 retry_backoff_ms \u7684\u65f6\u95f4\u95f4\u9694\u4e4b\u540e\uff0c\u5c06\u91cd\u65b0\u53d1\u9001\u6d88\u606f3\u3002<\/p>\n

            \u98de\u884c\u8fc7\u7a0b\u4e2d\u7684\u6700\u5927\u8bf7\u6c42\u6570\u91cf<\/h3>\n

            \u7136\u800c\uff0c\u5f53\u4ed4\u7ec6\u67e5\u770bApache Kafka\u4e3b\u9898\u7684\u6700\u7ec8\u7ed3\u679c\u65f6\uff0c\u53ef\u4ee5\u53d1\u73b0\u7ed3\u679c\u7684\u987a\u5e8f\u5e76\u4e0d\u6b63\u786e\u3002<\/p>\n

            \u53e4\u8001\u7684\u65b9\u6cd5\uff08\u53ef\u5728kafka-python\u4e2d\u4f7f\u7528\uff09\u662f\u8bbe\u7f6e\u6bcf\u4e2a\u8fde\u63a5\u7684\u6700\u5927\u98de\u884c\u4e2d\u8bf7\u6c42\u6570\u3002\u5982\u679c\u53ef\u4ee5\u540c\u65f6\u53d1\u9001\u7684\u6d88\u606f\u6570\u91cf\u8d8a\u591a\uff0c\u4e71\u5e8f\u7684\u98ce\u9669\u5c31\u8d8a\u9ad8\u3002<\/p>\n

            \u5728\u4f7f\u7528kafka-python\u65f6\uff0c\u5982\u679c\u5728\u4e3b\u9898\u4e2d\u9700\u8981\u7edd\u5bf9\u6709\u5e8f\u6027\uff0c\u5c31\u4e0d\u5f97\u4e0d\u5c06max_in_flight_requests_per_connection\u9650\u5236\u4e3a1\u3002\u57fa\u672c\u4e0a\uff0c\u5373\u4f7f\u5c06ack\u53c2\u6570\u8bbe\u7f6e\u4e3a\u6700\u4f4e\u4e3a1\uff0c\u4e5f\u5fc5\u987b\u5728\u53d1\u9001\u4e0b\u4e00\u6761\u6d88\u606f\u4e4b\u524d\u7b49\u5f85\u6240\u6709\u6d88\u606f\uff08\u5982\u679c\u6d88\u606f\u7684\u5927\u5c0f\u5c0f\u4e8e\u6279\u5904\u7406\u5927\u5c0f\uff0c\u5219\u4e3a\u6d88\u606f\u7684\u6279\u5904\u7406\uff09\u7684\u80af\u5b9a\u54cd\u5e94\u3002<\/p>\n

            \"Kafka\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u306emax_in_flight_requests_per_connection=1\u3001\u57fa\u672c\u7684\u306b\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u76f4\u5217\u5316\u3055\u308c\u3001\u6b63\u3057\u3044\u9806\u5e8f\u306b\u306a\u308b\"<\/div>\n

            \u6392\u5217\u3001\u786e\u8ba4\u548c\u91cd\u8bd5\u7684\u7edd\u5bf9\u6b63\u786e\u6027\u5c06\u4ee5\u541e\u5410\u91cf\u4e3a\u4ee3\u4ef7\u3002\u540c\u65f6\uff0c\u201c\u5b58\u5728\u4e8e\u201d\u7a7a\u4e2d\u7684\u6d88\u606f\u91cf\u8d8a\u5c11\uff0c\u5c31\u9700\u8981\u63a5\u6536\u66f4\u591a\u7684acks\uff0c\u6240\u4ee5\u5728\u89c4\u5b9a\u7684\u65f6\u95f4\u8303\u56f4\u5185\uff0c\u53ef\u4ee5\u4f20\u9012\u7ed9Kafka\u7684\u6d88\u606f\u603b\u91cf\u5c31\u4f1a\u51cf\u5c11\u3002<\/p>\n

            \u5e94\u8be5\u5236\u7247\u4eba<\/h3>\n

            \u4e3a\u4e86\u514b\u670d\u4e00\u6b21\u53ea\u80fd\u53d1\u9001\u4e00\u4e2a\u6d88\u606f\u5e76\u7b49\u5f85\u786e\u8ba4\u54cd\u5e94\u7684\u4e25\u683c\u5e8f\u5217\u5316\u95ee\u9898\uff0c\u53ef\u4ee5\u5b9a\u4e49\u5e42\u7b49\u751f\u4ea7\u8005\u3002\u5728\u5e42\u7b49\u751f\u4ea7\u8005\u4e2d\uff0c\u6bcf\u4e2a\u6d88\u606f\u90fd\u4f1a\u88ab\u6807\u8bb0\u4e3a\u751f\u4ea7\u8005ID\u548c\u5e8f\u5217\u53f7\uff08\u5728\u6bcf\u4e2a\u5206\u533a\u4e2d\u4fdd\u6301\u7684\u987a\u5e8f\uff09\u3002\u8fd9\u4e2a\u7ec4\u5408\u7684ID\u5c06\u4e0e\u6d88\u606f\u4e00\u8d77\u53d1\u9001\u5230\u4ee3\u7406\u3002<\/p>\n

            \u7ecf\u7eaa\u4eba\u4f1a\u6309\u7167\u751f\u4ea7\u8005\u548c\u4e3b\u9898\/\u5206\u533a\u5bf9\u901a\u884c\u7f16\u53f7\u8fdb\u884c\u7ba1\u7406\u3002\u6bcf\u5f53\u6709\u65b0\u6d88\u606f\u5230\u8fbe\u65f6\uff0c\u7ecf\u7eaa\u4eba\u4f1a\u68c0\u67e5\u5df2\u914d\u7f6e\u7684ID\uff0c\u5e76\u4e14\u5982\u679c\u8be5\u503c\u5728\u540c\u4e00\u751f\u4ea7\u8005\u4e2d\u7b49\u4e8e\u524d\u4e00\u4e2a\u7f16\u53f7\u52a01\uff0c\u5219\u4f1a\u6279\u51c6\u65b0\u6d88\u606f\uff0c\u5426\u5219\u5c06\u62d2\u7edd\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6d88\u606f\u7684\u5168\u5c40\u987a\u5e8f\uff0c\u5e76\u4e14\u53ef\u4ee5\u589e\u52a0\u6bcf\u4e2a\u8fde\u63a5\u7684\u5728\u9014\u8bf7\u6c42\u6570\u91cf\uff08\u5728Java\u5ba2\u6237\u7aef\u4e2d\u6700\u591a\u4e3a5\uff09\u3002<\/p>\n

            \u7531\u591a\u4f4d\u5236\u4f5c\u4eba\u5bfc\u81f4\u7684\u590d\u6742\u6027\u589e\u52a0\u3002<\/h2>\n

            \u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u53ea\u60f3\u8c61\u4e86\u4e00\u4e2a\u4eba\u7684\u57fa\u672c\u60c5\u8282\uff0c\u4f46Apache Kafka\u7684\u73b0\u5b9e\u60c5\u51b5\u662f\uff0c\u901a\u5e38\u4f1a\u6709\u591a\u4e2a\u5236\u7247\u4eba\u3002\u8981\u786e\u4fdd\u6700\u7ec8\u8ba2\u5355\u7ed3\u679c\uff0c\u6211\u4eec\u5e94\u8be5\u6ce8\u610f\u54ea\u4e9b\u7ec6\u8282\u5462\uff1f<\/p>\n

            \u4e0d\u540c\u7684\u4f4d\u7f6e\uff0c\u4e0d\u540c\u7684\u5ef6\u9072<\/h3>\n

            \u8bf7\u6ce8\u610f\uff0c\u7f51\u7edc\u5e76\u4e0d\u662f\u5b8c\u5168\u516c\u5e73\u7684\u3002\u800c\u4e14\uff0c\u7531\u4e8e\u591a\u4e2a\u751f\u4ea7\u8005\u53ef\u80fd\u4f4d\u4e8e\u975e\u5e38\u9065\u8fdc\u7684\u5730\u65b9\uff0c\u4e0d\u540c\u7684\u5ef6\u8fdf\u610f\u5473\u7740Kafka\u7684\u6392\u5e8f\u53ef\u80fd\u4e0e\u4e8b\u4ef6\u65f6\u95f4\u4e0d\u540c\u3002<\/p>\n

            \"\u7570\u306a\u308b\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3092\u6301\u30642\u3064\u306eKafka\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u306f\u3001\u7d50\u679c\u306e\u9806\u5e8f\u304c\u671f\u5f85\u3055\u308c\u305f\u3082\u306e\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\"<\/div>\n

            \u5f88\u9057\u61be\u5730\uff0c\u65e0\u6cd5\u5728\u5730\u7403\u4e0a\u7684\u4e0d\u540c\u5730\u65b9\u4e4b\u95f4\u4fee\u6b63\u4e0d\u540c\u7684\u5ef6\u8fdf\uff0c\u6240\u4ee5\u9700\u8981\u63a5\u53d7\u8fd9\u79cd\u60c5\u51b5\u3002<\/p>\n

            \u6279\u5904\u7406\u3001\u9644\u52a0\u53d8\u91cf<\/h3>\n

            \u4e3a\u4e86\u5b9e\u73b0\u66f4\u9ad8\u7684\u541e\u5410\u91cf, \u6709\u65f6\u5019\u6211\u4eec\u5e0c\u671b\u5c06\u6d88\u606f\u8fdb\u884c\u6279\u5904\u7406\u3002\u5728\u6279\u5904\u7406\u4e2d, \u6211\u4eec\u5c06\u6d88\u606f\u5206\u7ec4\u53d1\u9001, \u6700\u5c0f\u5316\u603b\u4f53\u8c03\u7528\u6b21\u6570, \u589e\u52a0\u5bf9\u6574\u4f53\u6d88\u606f\u5927\u5c0f\u7684\u6709\u6548\u8f7d\u8377\u6bd4\u4f8b\u3002\u7136\u800c, \u8fd9\u6837\u4e00\u6765\u53ef\u80fd\u4f1a\u91cd\u65b0\u6539\u53d8\u4e8b\u4ef6\u7684\u987a\u5e8f\u3002Apache Kafka\u7684\u6d88\u606f\u4f1a\u6839\u636e\u6279\u91cf\u63a5\u6536\u65f6\u95f4\u88ab\u4fdd\u5b58\u5728\u5404\u4e2a\u6279\u6b21\u4e2d\u3002\u56e0\u6b64, \u6d88\u606f\u987a\u5e8f\u4f1a\u5728\u6bcf\u4e2a\u6279\u6b21\u4e2d\u6062\u590d\u6b63\u5e38, \u4f46\u4e0d\u540c\u6279\u6b21\u4e2d\u7684\u6d88\u606f\u53ef\u80fd\u5b58\u5728\u987a\u5e8f\u4e0d\u540c\u7684\u60c5\u51b5\u3002<\/p>\n

            \"2\u3064\u306eKafka\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u304c\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30d0\u30c3\u30c1\u51e6\u7406\u3057\u3001\u305d\u306e\u7d50\u679c\u306e\u9806\u5e8f\u306f\u30d0\u30c3\u30c1\u306e\u53d6\u308a\u8fbc\u307f\u6642\u9593\u306b\u4f9d\u5b58\u3059\u308b\"<\/div>\n

            \u5f53\u5b58\u5728\u4e0d\u540c\u7684\u5ef6\u8fdf\u548c\u6279\u5904\u7406\u65f6\uff0c\u5168\u5c40\u6392\u5e8f\u7684\u524d\u63d0\u4f3c\u4e4e\u5b8c\u5168\u4e27\u5931\u4e86…\u3002\u90a3\u4e48\uff0c\u4e3a\u4ec0\u4e48\u6211\u4eec\u8981\u58f0\u79f0\u53ef\u4ee5\u6309\u987a\u5e8f\u7ba1\u7406\u4e8b\u4ef6\u5462\uff1f<\/p>\n

            \u6551\u4e16\u4e3b\uff1a\u6d3b\u52a8\u65f6\u95f4<\/h2>\n

            \u6211\u5df2\u7ecf\u7406\u89e3\u4e86Kafka\u6700\u521d\u7684\u5047\u8bbe\u662f\u4fdd\u6301\u6d88\u606f\u987a\u5e8f\u5e76\u4e0d\u662f\u767e\u5206\u4e4b\u767e\u6b63\u786e\u7684\u3002\u6d88\u606f\u7684\u987a\u5e8f\u53d6\u51b3\u4e8eKafka\u7684\u63a5\u6536\u65f6\u95f4\uff0c\u800c\u4e0d\u662f\u4e8b\u4ef6\u53d1\u751f\u7684\u65f6\u95f4\u3002\u4f46\u662f\uff0c\u5982\u679c\u57fa\u4e8e\u4e8b\u4ef6\u65f6\u95f4\u8fdb\u884c\u6392\u5e8f\u662f\u91cd\u8981\u7684\uff0c\u90a3\u8be5\u600e\u4e48\u529e\u5462\uff1f<\/p>\n

            \u6211\u5011\u7684\u751f\u7522\u65b9\u7121\u6cd5\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u4f46\u6d88\u8cbb\u8005\u65b9\u53ef\u4ee5\u89e3\u6c7a\u3002Kafka Streams\u3001\u642d\u8f09\u5c08\u7528Timestamp extractor\u548cSingle Message Transform (SMT)\u529f\u80fd\u7684Kafka Connect\u3001Apache Flink\u00ae\u7b49\uff0c\u9019\u4e9b\u662f\u57fa\u65bcApache Kafka\u904b\u884c\u7684\u6700\u5e38\u898b\u5de5\u5177\uff0c\u5b83\u5011\u90fd\u64c1\u6709\u5b9a\u7fa9\u8981\u4f5c\u70ba\u4e8b\u4ef6\u6642\u9593\u4f7f\u7528\u7684\u5b57\u6bb5\u7684\u529f\u80fd\u3002<\/p>\n

            \u5982\u679c”\u6d88\u8d39\u8005”\u88ab\u6b63\u786e\u5b9a\u4e49\uff0c\u90a3\u4e48\u53ef\u4ee5\u91cd\u65b0\u6392\u5217\u4ece\u7279\u5b9a\u7684Apache Kafka\u8bdd\u9898\u4e2d\u53d1\u9001\u7684\u6d88\u606f\u7684\u987a\u5e8f\u3002\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u5206\u6790\u4e00\u4e0bApache Flink\u7684\u5b9e\u4f8b\uff1a<\/p>\n

            CREATE TABLE CPU_IN (\r\n    hostname STRING,\r\n    cpu STRING,\r\n    usage DOUBLE,\r\n    occurred_at BIGINT,\r\n    time_ltz AS TO_TIMESTAMP_LTZ(occurred_at, 3),\r\n    WATERMARK FOR time_ltz AS time_ltz - INTERVAL '10' SECOND\r\n    )\r\nWITH (\r\n   'connector' = 'kafka',\r\n   'properties.bootstrap.servers' = '',\r\n   'topic' = 'cpu_load_stats_real',\r\n   'value.format' = 'json',\r\n   'scan.startup.mode' = 'earliest-offset'\r\n)\r\n<\/code><\/pre>\n
            \u5728\u4e0a\u8ff0\u7684Apache Flink\u8868\u5b9a\u4e49\u4e2d\uff0c\u6ce8\u610f\u5230\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
              \n
            • \n
                \u30d5\u30a3\u30fc\u30eb\u30c9\u306f Apache Kafka \u306e\u30bd\u30fc\u30b9\u30c8\u30d4\u30c3\u30af\u306b unix \u6642\u9593\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\uff08\u30c7\u30fc\u30bf\u578b\u306f BIGINT\uff09\u3002<\/ul>\n<\/li>\n<\/ul>\n
                 <\/p>\n
                  \n
                • \n
                    time_ltz AS TO_TIMESTAMP_LTZ(occurred_at, 3)`: unix time \u3092 Flink \u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306b\u5909\u63db\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n
                     <\/p>\n
                      WATERMARK FOR time_ltz AS time_ltz – INTERVAL ’10’ SECOND: (occurred_at\u304b\u3089\u8a08\u7b97\u3055\u308c\u305f) \u65b0\u3057\u3044\u30d5\u30a3\u30fc\u30eb\u30c9time_ltz` \u3092\u30a4\u30d9\u30f3\u30c8\u6642\u523b\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u5230\u7740\u304c\u6700\u5927 10 \u79d2\u9045\u308c\u308b\u95be\u5024\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/ul>\n
                      \u5f53\u5b9a\u4e49\u4e86\u4e0a\u8ff0\u7684\u8868\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528time_ltz\u5b57\u6bb5\u6765\u6b63\u786e\u5730\u6309\u987a\u5e8f\u6392\u5217\u4e8b\u4ef6\uff0c\u5e76\u786e\u4fdd\u6240\u6709\u5728\u5141\u8bb8\u7684\u5ef6\u8fdf\u65f6\u95f4\u5185\u7684\u4e8b\u4ef6\u90fd\u88ab\u8ba1\u7b97\u5230\u805a\u5408\u7a97\u53e3\u4e2d\u3002<\/p>\n
                      `INTERVAL ’10’ SECOND` \u662f\u7528\u6765\u5b9a\u4e49\u6570\u636e\u6d41\u6c34\u7ebf\u7684\u5ef6\u8fdf\uff0c\u5e76\u786e\u4fdd\u6b63\u786e\u6355\u83b7\u5ef6\u8fdf\u5230\u8fbe\u7684\u4e8b\u4ef6\u6240\u5fc5\u9700\u7684\u3002\u4f46\u8bf7\u6ce8\u610f\uff0c\u5b83\u4e0d\u4f1a\u5f71\u54cd\u541e\u5410\u91cf\u3002\u6d41\u6c34\u7ebf\u53ef\u4ee5\u4f20\u9012\u5c3d\u53ef\u80fd\u591a\u7684\u6d88\u606f\uff0c\u4f46\u5728\u8ba1\u7b97\u6700\u7ec8\u7684KPI\u4e4b\u524d\uff0c\u6211\u4eec\u4f1a”\u7b49\u5f8510\u79d2”\u4ee5\u786e\u4fdd\u5305\u542b\u7279\u5b9a\u65f6\u95f4\u8303\u56f4\u5185\u7684\u6240\u6709\u4e8b\u4ef6\u3002<\/p>\n
                      \u4f5c\u4e3a\u53e6\u4e00\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u4e8e\u7279\u5b9a\u7684\u952e\uff08\u4f8b\u5982\uff0chostname\u548ccpu\uff09\uff0c\u53ea\u6709\u5f53\u4e8b\u4ef6\u5305\u542b\u5b8c\u6574\u72b6\u6001\u65f6\uff0c\u4fdd\u6301\u8fc4\u4eca\u4e3a\u6b62\u8fbe\u5230\u7684\u4e8b\u4ef6\u65f6\u95f4\u7684\u6700\u5927\u503c\uff0c\u5e76\u4e14\u53ea\u6709\u5f53\u65b0\u7684\u4e8b\u4ef6\u65f6\u95f4\u5927\u4e8e\u6700\u5927\u503c\u65f6\u624d\u63a5\u53d7\u53d8\u66f4\u3002<\/p>\n
                      \u603b\u7ed3<\/h2>\n
                      \u5728 Kafka \u4e2d\uff0c\u6709\u5173\u6392\u5e8f\u7684\u6982\u5ff5\u5373\u4f7f\u4ec5\u5305\u542b\u4e00\u4e2a\u5177\u6709\u4e00\u4e2a\u5206\u533a\u7684\u4e3b\u9898\u4e5f\u53ef\u80fd\u4f1a\u5f88\u68d8\u624b\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5206\u4eab\u4e86\u4e00\u4e9b\u53ef\u80fd\u5f15\u53d1\u610f\u5916\u4e8b\u4ef6\u5e8f\u5217\u7684\u5e38\u89c1\u60c5\u51b5\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u901a\u8fc7\u9650\u5236\u5728\u98de\u884c\u4e2d\u7684\u6d88\u606f\u6570\u6216\u4f7f\u7528\u5e42\u7b49\u751f\u4ea7\u8005\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9884\u671f\u7684\u6392\u5e8f\u3002<\/p>\n
                      \u5f53\u6d89\u53ca\u5230\u591a\u4e2a\u751f\u4ea7\u8005\u548c\u7f51\u7edc\u5ef6\u8fdf\u7684\u4e0d\u53ef\u9884\u6d4b\u6027\u65f6\uff0c\u53ef\u884c\u7684\u9009\u9879\u662f\u901a\u8fc7\u5728\u6d88\u8d39\u8005\u7aef\u9002\u5f53\u5904\u7406\u6307\u5b9a\u7684\u4e8b\u4ef6\u65f6\u95f4\uff0c\u4ee5\u4fee\u6b63\u6574\u4f53\u987a\u5e8f\u3002\u8fd9\u9700\u8981\u4f7f\u7528\u6709\u6548\u8f7d\u8377\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
                      \u53c2\u8003\u8d44\u6599<\/p>\n
                        \n
                      • \n
                          Kafka Streams\u306e\u30a4\u30d9\u30f3\u30c8\u6642\u9593<\/ul>\n<\/li>\n<\/ul>\n
                           <\/p>\n
                            Kafka Connect\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u30eb\u30fc\u30bf\u30fcSMT\u3092\u30c1\u30a7\u30c3\u30af<\/ul>\n","protected":false},"excerpt":{"rendered":"
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