{"id":46773,"date":"2023-04-30T01:48:10","date_gmt":"2024-02-12T17:17:15","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/kafka%e4%ba%8b%e4%bb%b6%e5%88%b0%e8%be%be%e4%bf%9d%e8%af%81%e6%a8%a1%e5%bc%8f\/"},"modified":"2024-04-30T01:54:57","modified_gmt":"2024-04-29T17:54:57","slug":"kafka%e4%ba%8b%e4%bb%b6%e5%88%b0%e8%be%be%e4%bf%9d%e8%af%81%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/kafka%e4%ba%8b%e4%bb%b6%e5%88%b0%e8%be%be%e4%bf%9d%e8%af%81%e6%a8%a1%e5%bc%8f\/","title":{"rendered":"Kafka\u4e8b\u4ef6\u5230\u8fbe\u4fdd\u8bc1\u6a21\u5f0f"},"content":{"rendered":"
\n
\u5230\u9054\u4fdd\u8a3c\u306e\u7a2e\u985e\u610f\u5473\u6ce8\u610f\u4e8b\u9805At least once\u6700\u4f4e\u4e00\u56de\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u9001\u4fe1\u30a4\u30d9\u30f3\u30c8\u306e\u640d\u5931\u306f\u306a\u3044\u304c\u3001\u91cd\u8907\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308bAt most once\u6700\u5927\u4e00\u56de\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u9001\u4fe1\u30a4\u30d9\u30f3\u30c8\u304c\u518d\u9001\u3055\u308c\u305a\u3001\u640d\u5931\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308bExactly once\u78ba\u5b9f\u306b\u4e00\u56de\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u9001\u4fe1\u30a4\u30d9\u30f3\u30c8\u306e\u640d\u5931\u3082\u91cd\u8907\u3082\u767a\u751f\u3057\u306a\u3044<\/div>\n<\/div>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u81f3\u5c11\u6267\u884c\u4e00\u6b21\u3002<\/p>\n

\u81f3\u5c11\u4e00\u6b21<\/h1>\n

\u5982\u679c\u751f\u4ea7\u8005\u4eceKafka\u4ee3\u7406\u4e2d\u6536\u5230\u786e\u8ba4\uff08acknowledgement\uff09\uff0c\u5e76\u4e14acks=all\uff0c\u5219\u8868\u793a\u8be5\u6d88\u606f\u5df2\u7ecf\u51c6\u786e\u5730\u5199\u5165\u4e86Kafka\u4e3b\u9898\u3002<\/p>\n

\u7136\u800c\uff0c\u5982\u679c\u751f\u4ea7\u8005\u7684ACK\u8d85\u65f6\u6216\u9047\u5230\u9519\u8bef\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u5047\u8bbe\u6d88\u606f\u6ca1\u6709\u88ab\u5199\u5165Kafka\u4e3b\u9898\uff0c\u5e76\u5c1d\u8bd5\u91cd\u65b0\u53d1\u9001\u6d88\u606f\u3002<\/p>\n

\u5982\u679c\u5728\u7ecf\u7eaa\u4eba\u53d1\u9001ACK\u4e4b\u524d\u5931\u8d25\uff0c\u5e76\u4e14\u6d88\u606f\u5df2\u6210\u529f\u5199\u5165Kafka\u4e3b\u9898\uff0c\u90a3\u4e48\u901a\u8fc7\u6b64\u91cd\u8bd5\u5c06\u5bfc\u81f4\u6d88\u606f\u88ab\u5199\u5165\u4e24\u6b21\uff0c\u56e0\u6b64\u5c06\u9012\u9001\u7ed9\u7ec8\u7aef\u6d88\u8d39\u8005\u8d85\u8fc7\u4e00\u6b21\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u80fd\u4f1a\u5bfc\u81f4\u53cc\u91cd\u5904\u7406\u548c\u4e0d\u51c6\u786e\u7684\u7ed3\u679c\u3002<\/p>\n

\u6700\u591a\u4e00\u6b21<\/h1>\n

\u5982\u679c\u751f\u4ea7\u8005\u5728ack\u8d85\u65f6\u6216\u8fd4\u56de\u9519\u8bef\u65f6\u4e0d\u8fdb\u884c\u91cd\u8bd5\uff0c\u5219\u8be5\u6d88\u606f\u5c06\u4e0d\u4f1a\u88ab\u5199\u5165Kafka\u4e3b\u9898\uff0c\u56e0\u6b64\u53ef\u80fd\u65e0\u6cd5\u4f20\u9012\u7ed9\u6d88\u8d39\u8005\u3002<\/p>\n

\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u90fd\u4f1a\u88ab\u5199\u5165\uff0c\u4f46\u4e3a\u907f\u514d\u91cd\u590d\uff0c\u6709\u65f6\u4f1a\u63a5\u53d7\u6d88\u606f\u65e0\u6cd5\u901a\u8fc7\u7684\u60c5\u51b5\u3002<\/p>\n

\u53ea\u6709\u4e00\u6b21<\/h1>\n

\u5373\u4f7f\u5236\u4f5c\u4eba\u91cd\u8bd5\u53d1\u9001\u4fe1\u606f\uff0c\u8be5\u4fe1\u606f\u4e5f\u53ea\u4f1a\u6210\u529f\u4f20\u9001\u5230\u6700\u7ec8\u53d7\u4f17\u4e00\u6b21\u3002<\/p>\n

\u5728\u4e2d\u6587\u4e2d\uff0c\u5b8c\u5168\u4e00\u6b21\u662f\u6700\u7406\u60f3\u7684\u4fdd\u8bc1\uff0c\u4f46\u4e5f\u5f88\u96be\u7406\u89e3\u3002\u8fd9\u662f\u56e0\u4e3a\u6d88\u606f\u7cfb\u7edf\u672c\u8eab\u548c\u751f\u4ea7\u6d88\u8d39\u6d88\u606f\u7684\u5e94\u7528\u4e4b\u95f4\u9700\u8981\u5408\u4f5c\u3002<\/p>\n

\u5047\u8bbe\u5728\u6210\u529f\u6d88\u8d39\u6d88\u606f\u540e\uff0c\u5c06Kafka\u7684\u6d88\u8d39\u8005\u56de\u6eda\u5230\u5148\u524d\u7684\u504f\u79fb\u91cf\uff0c\u90a3\u4e48\u5c06\u518d\u6b21\u63a5\u6536\u4ece\u8be5\u504f\u79fb\u91cf\u5230\u6700\u65b0\u6d88\u606f\u7684\u6240\u6709\u6d88\u606f\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u6d88\u606f\u7cfb\u7edf\u548c\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u5171\u540c\u52aa\u529b\uff0c\u5b9e\u73b0Exactly Once\u3002<\/p>\n

\u5fc5\u987b\u8003\u8651\u7684\u969c\u788d<\/h1>\n

\u7ecf\u7eaa\u4eba\u53ef\u80fd\u4f1a\u9020\u6210\u95ee\u9898<\/h2>\n

Kafka\u662f\u4e00\u4e2a\u975e\u5e38\u9ad8\u5ea6\u53ef\u9760\u3001\u6301\u4e45\u6027\u548c\u8010\u7528\u6027\u7684\u7cfb\u7edf\uff0c\u6240\u6709\u5199\u5165\u5230\u5206\u533a\u7684\u6d88\u606f\u90fd\u5c06\u88ab\u4fdd\u5b58\u548c\u590d\u5236\u591a\u4e2a\u56fa\u5b9a\u6b21\u6570\uff08\u8bb0\u4f5cn\uff09\u3002<\/p>\n

\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cKafka\u53ef\u4ee5\u5bb9\u5fcdn-1\u4e2a\u7ecf\u7eaa\u4eba\u7684\u6545\u969c\uff0c\u53ea\u8981\u81f3\u5c11\u6709\u4e00\u4e2a\u7ecf\u7eaa\u4eba\u53ef\u7528\uff0c\u5206\u533a\u5c31\u662f\u53ef\u7528\u7684\u3002<\/p>\n

\u5361\u592b\u5361\u7684\u590d\u5236\u534f\u8bae\u786e\u4fdd\u5f53\u6d88\u606f\u6210\u529f\u5199\u5165\u9886\u5bfc\u526f\u672c\u65f6\uff0c\u5b83\u5c06\u88ab\u590d\u5236\u5230\u6240\u6709\u53ef\u7528\u7684\u526f\u672c\u3002<\/p>\n

\u4ece\u5236\u7247\u4eba\u5230\u7ecf\u7eaa\u4eba\u7684\u901a\u4fe1\u6709\u53ef\u80fd\u5931\u8d25\u3002<\/h2>\n

Kafka\u7684\u6301\u4e45\u6027\u4f9d\u8d56\u4e8e\u751f\u4ea7\u8005\u4ece\u4ee3\u7406\u8282\u70b9\u63a5\u6536ack\u3002\u5373\u4f7f\u6ca1\u6709\u6536\u5230ack\uff0c\u8bf7\u6c42\u672c\u8eab\u5e76\u4e0d\u4e00\u5b9a\u610f\u5473\u7740\u5931\u8d25\u3002\u4ee3\u7406\u8282\u70b9\u5728\u5199\u5165\u6d88\u606f\u540e\uff0c\u5728\u53d1\u9001ack\u7ed9\u751f\u4ea7\u8005\u4e4b\u524d\u53ef\u80fd\u4f1a\u5d29\u6e83\u3002\u800c\u4e14\uff0c\u5728\u5c06\u6d88\u606f\u5199\u5165\u4e3b\u9898\u4e4b\u524d\u4e5f\u53ef\u80fd\u5d29\u6e83\u3002\u7531\u4e8e\u751f\u4ea7\u8005\u65e0\u6cd5\u77e5\u9053\u6545\u969c\u7684\u6027\u8d28\uff0c\u5b83\u88ab\u8feb\u5047\u8bbe\u6d88\u606f\u5199\u5165\u672a\u6210\u529f\uff0c\u5e76\u5f3a\u5236\u8fdb\u884c\u91cd\u8bd5\u3002\u8fd9\u5bfc\u81f4\u76f8\u540c\u7684\u6d88\u606f\u88ab\u91cd\u590d\u8bb0\u5f55\u5728Kafka\u7684\u5206\u533a\u65e5\u5fd7\u4e2d\uff0c\u4f7f\u5f97\u7ec8\u7aef\u6d88\u8d39\u8005\u53ef\u80fd\u4f1a\u63a5\u6536\u5230\u4e00\u6761\u4ee5\u4e0a\u7684\u76f8\u540c\u6d88\u606f\u3002<\/p>\n

\u5ba2\u6237\u5931\u8d25\u4e86\u3002<\/h2>\n

\u6b63\u786e\u7684\u4e00\u6b21\u6027\u4ea4\u4ed8\u9700\u8981\u8003\u8651\u5230\u5ba2\u6237\u7aef\u7684\u5931\u8d25\u3002\u4f46\u662f\uff0c\u6211\u4eec\u8be5\u5982\u4f55\u5224\u65ad\u5ba2\u6237\u7aef\u662f\u771f\u7684\u51fa\u73b0\u6545\u969c\u4e86\u8fd8\u662f\u6682\u65f6\u88ab\u7ecf\u7eaa\u4eba\u5206\u5272\u4e86\u5462\uff1f\u6216\u8005\u662f\u5e94\u7528\u7a0b\u5e8f\u6682\u505c\u4e86\u5462\uff1f\u80fd\u591f\u533a\u5206\u6301\u7eed\u6545\u969c\u548c\u6682\u65f6\u6545\u969c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n

\u4e3a\u4e86\u786e\u4fdd\u6b63\u786e\u6027\uff0c\u7ecf\u7eaa\u4eba\u5e94\u8be5\u4e22\u5f03\u7531\u50f5\u5c38\u751f\u4ea7\u8005\u53d1\u9001\u7684\u6d88\u606f\u3002\u8fd9\u540c\u6837\u9002\u7528\u4e8e\u6d88\u8d39\u8005\u3002\u5f53\u65b0\u7684\u5ba2\u6237\u7aef\u5b9e\u4f8b\u542f\u52a8\u65f6\uff0c\u5b83\u5fc5\u987b\u4ece\u5931\u8d25\u5b9e\u4f8b\u7559\u4e0b\u7684\u72b6\u6001\u4e2d\u6062\u590d\uff0c\u5e76\u4e14\u53ea\u6709\u5728\u5b89\u5168\u7684\u70b9\u5f00\u59cb\u5904\u7406\u3002\u8fd9\u610f\u5473\u7740\u6d88\u8d39\u7684\u504f\u79fb\u603b\u662f\u5fc5\u987b\u4e0e\u751f\u6210\u7684\u8f93\u51fa\u4fdd\u6301\u540c\u6b65\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5230\u9054\u4fdd\u8a3c\u306e\u7a2e\u985e\u610f\u5473\u6ce8\u610f\u4e8b\u9805At least once\u6700\u4f4e\u4e00\u56de\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u9001\u4fe1\u30a4\u30d9\u30f3\u30c8\u306e\u640d\u5931\u306f\u306a\u3044\u304c\u3001\u91cd\u8907\u304c\u767a\u751f […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46773","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nKafka\u4e8b\u4ef6\u5230\u8fbe\u4fdd\u8bc1\u6a21\u5f0f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/kafka\u4e8b\u4ef6\u5230\u8fbe\u4fdd\u8bc1\u6a21\u5f0f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kafka\u4e8b\u4ef6\u5230\u8fbe\u4fdd\u8bc1\u6a21\u5f0f\" \/>\n<meta property=\"og:description\" content=\"\u5230\u9054\u4fdd\u8a3c\u306e\u7a2e\u985e\u610f\u5473\u6ce8\u610f\u4e8b\u9805At least once\u6700\u4f4e\u4e00\u56de\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u9001\u4fe1\u30a4\u30d9\u30f3\u30c8\u306e\u640d\u5931\u306f\u306a\u3044\u304c\u3001\u91cd\u8907\u304c\u767a\u751f […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/kafka\u4e8b\u4ef6\u5230\u8fbe\u4fdd\u8bc1\u6a21\u5f0f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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