{"id":204066,"date":"2025-05-29T12:45:21","date_gmt":"2025-05-29T04:45:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204066\/"},"modified":"2025-05-29T12:45:21","modified_gmt":"2025-05-29T04:45:21","slug":"%e6%8e%a2%e7%b4%a2-apache-kafka%ef%bc%9a%e6%b5%81%e5%a4%84%e7%90%86%e5%88%9d%e5%ad%a6%e8%80%85%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204066\/","title":{"rendered":"\u63a2\u7d22 Apache Kafka\uff1a\u6d41\u5904\u7406\u521d\u5b66\u8005\u6307\u5357"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u63a2\u7d22 Apache Kafka\uff1a\u6d41\u5904\u7406\u521d\u5b66\u8005\u6307\u5357<\/h1>\n<p>\u600e\u4e48\u5165\u95e8\u6587\u7ae0\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300a\u63a2\u7d22 Apache Kafka\uff1a\u6d41\u5904\u7406\u521d\u5b66\u8005\u6307\u5357\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729943485671cd7bddfdfa.jpg\" class=\"aligncenter\"><\/p>\n<p>\u5f00\u53d1\u8005\u4eec\u5927\u5bb6\u597d<\/p>\n<p>\u5728\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e0a\u5de5\u4f5c\u65f6\uff0c\u6211\u4e0d\u65ad\u9047\u5230\u7684\u4e00\u4e2a\u6311\u6218\u662f\u9ad8\u6548\u5730\u5b9e\u65f6\u5904\u7406\u6570\u636e\u6d41\u3002\u5c31\u5728\u90a3\u65f6\uff0c\u6211\u9047\u5230\u4e86 <strong>apache kafka<\/strong>\uff0c\u8fd9\u662f\u4e00\u4e2a\u53ef\u4ee5\u6539\u53d8\u5e94\u7528\u7a0b\u5e8f\u5904\u7406\u548c\u7ba1\u7406\u6570\u636e\u65b9\u5f0f\u7684\u5de5\u5177\u3002<\/p>\n<p>\u5176\u6838\u5fc3\uff0c<strong>apache kafka<\/strong> \u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u4e8b\u4ef6\u6d41\u5e73\u53f0\u3002\u5b83\u65e8\u5728\u5904\u7406\u9ad8\u541e\u5410\u91cf\u3001\u5b9e\u65f6\u6570\u636e\u6e90\uff0c\u53ef\u7528\u4e8e\u6d88\u606f\u4f20\u9012\u3001\u65e5\u5fd7\u805a\u5408\u6216\u5b9e\u65f6\u5206\u6790\u7b49\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u3002\u5c06\u5176\u89c6\u4e3a\u4e00\u4e2a\u5de8\u5927\u7684\u6570\u636e\u7ba1\u9053\uff0c\u751f\u4ea7\u8005\u53d1\u9001\u6d88\u606f\uff0c\u6d88\u8d39\u8005\u68c0\u7d22\u6d88\u606f\u3002<\/p>\n<p>kafka \u8131\u9896\u800c\u51fa\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5173\u952e\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li> <strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1akafka \u662f\u6c34\u5e73\u53ef\u6269\u5c55\u7684\u3002\u5f53\u60a8\u6269\u5c55\u7cfb\u7edf\u65f6\uff0c\u5b83\u53ef\u4ee5\u5904\u7406\u4e0d\u65ad\u589e\u957f\u7684\u6570\u636e\u9700\u6c42\u3002<\/li>\n<li> <strong>\u5bb9\u9519<\/strong>\uff1a\u901a\u8fc7\u5c06\u6570\u636e\u5206\u5e03\u5230\u591a\u4e2a\u8282\u70b9\uff0ckafka \u786e\u4fdd\u5728\u4efb\u4f55\u8282\u70b9\u53d1\u751f\u6545\u969c\u65f6\u90fd\u4e0d\u4f1a\u4e22\u5931\u6d88\u606f\u3002<\/li>\n<li> <strong>\u5b9e\u65f6\u5904\u7406<\/strong>\uff1a\u5b83\u5141\u8bb8\u60a8\u5728\u6570\u636e\u5230\u8fbe\u65f6\u5bf9\u5176\u8fdb\u884c\u5904\u7406\uff0c\u4f7f\u5176\u6210\u4e3a\u6b3a\u8bc8\u68c0\u6d4b\u6216\u76d1\u63a7\u5b9e\u65f6\u6307\u6807\u7b49\u7528\u4f8b\u7684\u7406\u60f3\u9009\u62e9\u3002<\/li>\n<\/ul>\n<p>kafka \u56f4\u7ed5 <strong>\u4e3b\u9898<\/strong>\u3002\u4e3b\u9898\u5c31\u50cf\u53d1\u9001\u6d88\u606f\u7684\u7c7b\u522b\u6216\u6d41\u3002\u751f\u4ea7\u8005\u5411\u67d0\u4e2a\u4e3b\u9898\u53d1\u5e03\u6d88\u606f\uff0c\u6d88\u8d39\u8005\u8ba2\u9605\u8fd9\u4e9b\u4e3b\u9898\u6765\u63a5\u6536\u6d88\u606f\u3002<\/p>\n<p>\u53d1\u9001\u5230 kafka \u7684\u6bcf\u6761\u6d88\u606f\u90fd\u6709\u4e00\u4e2a <strong>key<\/strong> \u548c\u4e00\u4e2a <strong>value<\/strong>\uff0c\u5b83\u4eec\u53ef\u4ee5\u662f json\u3001avro \u7b49\u5e8f\u5217\u5316\u6570\u636e\uff0c\u751a\u81f3\u662f\u81ea\u5b9a\u4e49\u683c\u5f0f\u3002<\/p>\n<p>kafka\u8fd8\u5177\u6709<strong>\u7ecf\u7eaa\u4eba<\/strong>\uff08\u670d\u52a1\u5668\uff09\u548c<strong>\u5206\u533a<\/strong>\uff08\u6d88\u606f\u5982\u4f55\u8de8\u7ecf\u7eaa\u4eba\u5206\u53d1\uff09\u7684\u6982\u5ff5\uff0c\u8fd9\u4f7f\u5f97\u7cfb\u7edf\u80fd\u591f\u65e0\u7f1d\u6269\u5c55\u3002<\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6b63\u5728\u5f00\u53d1\u4e00\u4e2a\u85aa\u8d44\u7cfb\u7edf\uff0c\u9700\u8981\u8de8\u591a\u4e2a\u90e8\u95e8\u5b9e\u65f6\u5904\u7406\u5458\u5de5\u85aa\u8d44\u66f4\u65b0\u3002\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u8bbe\u7f6e kafka\uff1a<\/p>\n<ol>\n<li> <strong>\u751f\u4ea7\u8005<\/strong>\uff1a\u6bcf\u4e2a\u90e8\u95e8\uff08\u4f8b\u5982\u4eba\u529b\u8d44\u6e90\u3001\u8d22\u52a1\uff09\u751f\u6210\u5458\u5de5\u5de5\u8d44\u6216\u5956\u91d1\u7684\u66f4\u65b0\u5e76\u5c06\u8fd9\u4e9b\u6d88\u606f\u53d1\u9001\u5230 kafka \u4e3b\u9898\uff08\u4f8b\u5982\u5de5\u8d44\u66f4\u65b0\uff09\u3002<\/li>\n<li> <strong>\u4e3b\u9898<\/strong>\uff1akafka \u5c06\u628a\u8fd9\u4e9b\u5de5\u8d44\u66f4\u65b0\u5b58\u50a8\u5728\u540d\u4e3a\u5de5\u8d44\u66f4\u65b0\u7684\u4e3b\u9898\u4e2d\uff0c\u5e76\u6309\u90e8\u95e8\u5206\u533a\u3002<\/li>\n<li> <strong>\u6d88\u8d39\u8005<\/strong>\uff1a\u5de5\u8d44\u7cfb\u7edf\u8ba2\u9605\u8be5\u4e3b\u9898\u5e76\u5904\u7406\u6bcf\u6b21\u66f4\u65b0\uff0c\u4ee5\u786e\u4fdd\u6b63\u786e\u8ba1\u7b97\u5458\u5de5\u5de5\u8d44\u5e76\u5e94\u7528\u5956\u91d1\u3002 <\/li>\n<\/ol>\n<pre>from kafka import KafkaProducer, KafkaConsumer\n\n# Producer sends salary update messages to Kafka\nproducer = KafkaProducer(bootstrap_servers='localhost:9092')\nproducer.send('salary-updates', key=b'employee_id_123', value=b'Salary update for employee 123')\n\n# Consumer reads messages from Kafka\nconsumer = KafkaConsumer('salary-updates', bootstrap_servers='localhost:9092')\nfor message in consumer:\n    print(f\"Processing salary update: {message.value.decode('utf-8')}\")\n<\/pre>\n<p>\u8fd9\u53ea\u662f kafka \u5982\u4f55\u5e94\u7528\u4e8e\u4e00\u81f4\u6027\u548c\u901f\u5ea6\u5f88\u91cd\u8981\u7684\u5b9e\u65f6\u7cfb\u7edf\u7684\u57fa\u672c\u793a\u4f8b\u3002<\/p>\n<p>apache kafka \u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u6d88\u606f\u961f\u5217\uff0c\u5b83\u8fd8\u662f\u4e00\u4e2a\u7528\u4e8e\u5b9e\u65f6\u6570\u636e\u5904\u7406\u548c\u6d41\u5904\u7406\u7684\u5f3a\u5927\u5de5\u5177\u3002\u5b83\u662f\u4ece\u94f6\u884c\u5230\u793e\u4ea4\u5a92\u4f53\u5e73\u53f0\u7684\u8bb8\u591a\u6570\u636e\u9a71\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u652f\u67f1\u3002\u65e0\u8bba\u60a8\u662f\u5904\u7406\u65e5\u5fd7\u3001\u91d1\u878d\u4ea4\u6613\u8fd8\u662f iot \u6570\u636e\uff0ckafka \u90fd\u662f\u4e00\u4e2a\u503c\u5f97\u63a2\u7d22\u7684\u5f3a\u5927\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<p>      \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Apache Kafka\uff1a&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204066","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204066"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204066\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}