{"id":3618,"date":"2025-04-20T19:47:39","date_gmt":"2025-04-20T11:47:39","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3618"},"modified":"2025-04-20T20:27:02","modified_gmt":"2025-04-20T12:27:02","slug":"%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%b6%88%e6%81%af%e7%9a%84%e9%87%8d%e5%a4%8d%e6%b6%88%e8%b4%b9%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/04\/20\/%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%b6%88%e6%81%af%e7%9a%84%e9%87%8d%e5%a4%8d%e6%b6%88%e8%b4%b9%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u907f\u514d\u6d88\u606f\u7684\u91cd\u590d\u6d88\u8d39\uff1f"},"content":{"rendered":"\n

\u5728\u7814\u53d1\u5c97\u9762\u8bd5\u4e2d\uff0c\u201c\u5982\u4f55\u907f\u514d\u6d88\u606f\u7684\u91cd\u590d\u6d88\u8d39\uff1f\u201d<\/strong> \u662f\u6d88\u606f\u961f\u5217\u76f8\u5173\u7684\u6838\u5fc3\u95ee\u9898\u4e4b\u4e00\uff0c\u8003\u5bdf\u4f60\u5bf9\u6d88\u606f\u53ef\u9760\u6027\u3001\u5e42\u7b49\u6027\u8bbe\u8ba1\u3001\u6d88\u8d39\u786e\u8ba4\u673a\u5236<\/strong>\u7b49\u7684\u7406\u89e3\u3002\u4e0b\u9762\u662f\u4ece\u4e13\u4e1a\u89d2\u5ea6\u5bf9\u8fd9\u4e2a\u95ee\u9898\u7684\u5168\u9762\u89e3\u7b54\uff0c\u9002\u7528\u4e8e\u4e3b\u6d41 MQ\uff08\u5982 RabbitMQ\u3001Kafka\u3001RocketMQ \u7b49\uff09\u3002<\/p>\n\n\n\n

\n\n\n\n

\u4e00\u3001\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u91cd\u590d\u6d88\u8d39\uff1f<\/h2>\n\n\n\n

\u6d88\u606f\u91cd\u590d\u6d88\u8d39\u7684\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n\n\n\n

\u539f\u56e0<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
\u6d88\u8d39\u5931\u8d25\u91cd\u8bd5<\/strong><\/td>\u6d88\u606f\u5904\u7406\u8fc7\u7a0b\u4e2d\u629b\u51fa\u5f02\u5e38\uff0cMQ \u4f1a\u91cd\u65b0\u6295\u9012<\/td><\/tr>
\u7f51\u7edc\u8d85\u65f6\u6216\u6d88\u8d39\u8005\u6302\u6389<\/strong><\/td>MQ \u672a\u6536\u5230 ACK\uff0c\u81ea\u52a8\u91cd\u8bd5<\/td><\/tr>
\u6d88\u8d39\u6210\u529f\u4f46 ACK \u4e22\u5931<\/strong><\/td>\u751f\u4ea7\u7aef\/\u6d88\u8d39\u7aef\u4e4b\u95f4\u786e\u8ba4\u4e22\u5931<\/td><\/tr>
\u6d88\u8d39\u8005\u914d\u7f6e\u9519\u8bef<\/strong><\/td>\u8bef\u8bbe\u7f6e\u81ea\u52a8 ACK \u6216\u91cd\u590d\u8ba2\u9605\u540c\u4e00\u6d88\u606f<\/td><\/tr>
\u6d88\u606f\u91cd\u65b0\u5165\u961f<\/strong><\/td>\u6d88\u8d39\u5931\u8d25\u672a\u6b63\u786e\u5904\u7406\uff0c\u9020\u6210\u91cd\u65b0\u5165\u961f\u591a\u6b21\u6d88\u8d39<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

\u4e8c\u3001\u5e38\u89c1\u6d88\u606f\u4e2d\u95f4\u4ef6\u91cd\u590d\u6d88\u8d39\u673a\u5236<\/h2>\n\n\n\n
MQ \u7c7b\u578b<\/th>\u662f\u5426\u53ef\u80fd\u91cd\u590d\u6d88\u8d39<\/th>\u6d88\u8d39\u786e\u8ba4\u673a\u5236<\/th><\/tr><\/thead>
RabbitMQ<\/td>\u662f<\/td>\u624b\u52a8 ACK\uff08\u63a8\u8350\uff09\u6216\u81ea\u52a8 ACK<\/td><\/tr>
Kafka<\/td>\u662f<\/td>Offset \u63d0\u4ea4\u673a\u5236<\/td><\/tr>
RocketMQ<\/td>\u662f<\/td>\u6d88\u606f\u6295\u9012\u5931\u8d25\u81ea\u52a8\u91cd\u8bd5\uff08\u6700\u591a 16 \u6b21\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n

\u26a0\ufe0f \u6240\u6709\u4e3b\u6d41 MQ \u90fd\u662f\u81f3\u5c11\u6295\u9012\u4e00\u6b21<\/strong>\uff08At-least-once delivery\uff09\u6a21\u578b\uff0c\u56e0\u6b64\u91cd\u590d\u6d88\u8d39\u4e00\u5b9a\u8981\u9760\u4e1a\u52a1\u4fdd\u8bc1\u5e42\u7b49\u6027\uff01<\/strong><\/p>\n<\/blockquote>\n\n\n\n

\n\n\n\n

\u4e09\u3001\u5982\u4f55\u907f\u514d\u6d88\u606f\u91cd\u590d\u6d88\u8d39\uff1f<\/h2>\n\n\n\n

1. \u6d88\u8d39\u7aef\u5e42\u7b49\u6027\u5904\u7406\uff08\u6838\u5fc3\u624b\u6bb5\uff09<\/h3>\n\n\n\n

\u5e42\u7b49\u6027\uff1a\u65e0\u8bba\u4e00\u4e2a\u64cd\u4f5c\u6267\u884c\u4e00\u6b21\u6216\u591a\u6b21\uff0c\u7ed3\u679c\u90fd\u4e00\u6837\u3002<\/strong><\/p>\n\n\n\n

\u5e38\u7528\u5e42\u7b49\u6027\u65b9\u6848\uff1a<\/h4>\n\n\n\n
\u65b9\u6848<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
\u2705 \u4e1a\u52a1\u552f\u4e00\u6807\u8bc6\u63a7\u5236<\/td>\u6d88\u606f\u5e26 messageId<\/code>\uff0c\u6d88\u8d39\u524d\u5148\u67e5 Redis\/MySQL \u5224\u65ad\u662f\u5426\u5df2\u5904\u7406<\/td><\/tr>
\u2705 \u4e50\u89c2\u9501 \/ \u72b6\u6001\u5b57\u6bb5\u6821\u9a8c<\/td>\u6570\u636e\u5e93\u72b6\u6001\u5b57\u6bb5\uff08\u5982\u8ba2\u5355\u72b6\u6001\uff09\u5224\u65ad\u5f53\u524d\u662f\u5426\u53ef\u66f4\u65b0<\/td><\/tr>
\u2705 \u53bb\u91cd\u7f13\u5b58<\/td>\u4f7f\u7528 Redis SETNX<\/code> \u64cd\u4f5c\uff0c\u4fdd\u8bc1\u552f\u4e00\u6267\u884c<\/td><\/tr>
\u2705 \u63d2\u5165\u552f\u4e00\u7d22\u5f15<\/td>\u5bf9\u6570\u636e\u5e93\u8868\u5efa\u7acb\u552f\u4e00\u952e\uff0c\u9632\u6b62\u91cd\u590d\u63d2\u5165\u6570\u636e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\/\/ C# Redis \u53bb\u91cd\u65b9\u6848\uff08\u4f2a\u4ee3\u7801\uff09\nif (!redis.SetNX(\"order:processed:\" + message.OrderId, true, TimeSpan.FromMinutes(10))) {\n    \/\/ \u5df2\u5904\u7406\uff0c\u5ffd\u7565\u91cd\u590d\u6d88\u8d39\n    return;\n}\n\/\/ \u7ee7\u7eed\u5904\u7406\u903b\u8f91<\/code><\/pre>\n\n\n\n
\n\n\n\n
2. \u624b\u52a8 ACK + \u6d88\u8d39\u5931\u8d25\u91cd\u8bd5\u673a\u5236\uff08RabbitMQ\uff09<\/h3>\n\n\n\n
    \n
  • \u7981\u7528\u81ea\u52a8 ACK\uff08autoAck=false<\/code>\uff09<\/li>\n\n\n\n
  • \u6d88\u8d39\u6210\u529f\u540e\u663e\u5f0f\u8c03\u7528 channel.BasicAck(...)<\/code><\/li>\n\n\n\n
  • \u5931\u8d25\u540e\u8c03\u7528 BasicNack(...)<\/code> \u6216 BasicReject(...)<\/code> \u8ba9\u6d88\u606f\u91cd\u65b0\u5165\u961f\u6216\u8fdb\u6b7b\u4fe1\u961f\u5217<\/li>\n<\/ul>\n\n\n\n
    \/\/ RabbitMQ Manual ACK \u793a\u4f8b\ntry {\n    \/\/ \u4e1a\u52a1\u5904\u7406\u903b\u8f91\n    channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);\n} catch {\n    \/\/ \u62d2\u7edd\u6d88\u8d39\uff0c\u53ef\u4ee5\u9009\u62e9\u662f\u5426\u91cd\u65b0\u5165\u961f\n    channel.BasicNack(deliveryTag: ea.DeliveryTag, multiple: false, requeue: true);\n}<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    3. Kafka \u6d88\u8d39 Offset \u63a7\u5236<\/h3>\n\n\n\n
    Kafka \u4f7f\u7528\u504f\u79fb\u91cf\uff08offset\uff09\u63a7\u5236\u6d88\u8d39\uff1a<\/p>\n\n\n\n
      \n
    • \u63a8\u8350\u4f7f\u7528 \u624b\u52a8\u63d0\u4ea4 offset<\/strong>\uff0c\u786e\u4fdd\u6d88\u606f\u5904\u7406\u5b8c\u6210\u518d\u63d0\u4ea4\u3002<\/li>\n\n\n\n
    • \u53ef\u4ee5\u914d\u5408\u5e42\u7b49\u4e1a\u52a1\u903b\u8f91\uff0c\u9632\u6b62\u91cd\u590d\u6d88\u8d39\u3002<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n
      4. \u4f7f\u7528\u552f\u4e00\u6d88\u606f ID\uff08messageId\uff09<\/h3>\n\n\n\n
      \u4e3a\u6bcf\u6761\u6d88\u606f\u751f\u6210\u552f\u4e00 messageId<\/code>\uff0c\u5728\u6d88\u8d39\u7aef\u8bb0\u5f55\uff08\u5982\u5b58\u5165 Redis\u3001MySQL\uff09\u662f\u5426\u5904\u7406\u8fc7\uff1a<\/p>\n\n\n\n
      CREATE TABLE message_log (\n  message_id VARCHAR(64) PRIMARY KEY,\n  status TINYINT,\n  created_at DATETIME\n);<\/code><\/pre>\n\n\n\n
        \n
      • \u6d88\u8d39\u524d\u67e5\u8868\uff1a\u5b58\u5728\u5219\u8df3\u8fc7\uff1b<\/li>\n\n\n\n
      • \u6d88\u8d39\u540e\u63d2\u5165\u6216\u66f4\u65b0\u8bb0\u5f55\uff1a\u5199\u5165\u5df2\u5904\u7406\u72b6\u6001\u3002<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n
        5. \u4f7f\u7528\u4e8b\u52a1\u6d88\u606f\uff08RocketMQ\uff09<\/h3>\n\n\n\n
          \n
        • RocketMQ \u652f\u6301\u5206\u5e03\u5f0f\u4e8b\u52a1\u6d88\u606f\uff0c\u80fd\u66f4\u597d\u63a7\u5236\u6d88\u606f\u6295\u9012\u4e0e\u4e1a\u52a1\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u51cf\u5c11\u201c\u6d88\u8d39\u6210\u529f\u4f46\u4e1a\u52a1\u5931\u8d25\u201d\u7684\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n
          \n\n\n\n
          \u56db\u3001\u9762\u8bd5\u56de\u7b54\u6a21\u677f\uff08\u53c2\u8003\uff09<\/h2>\n\n\n\n
          \n
          \u201c\u5728\u6211\u4eec\u7684\u9879\u76ee\u4e2d\uff0c\u4e3a\u4e86\u907f\u514d\u6d88\u606f\u91cd\u590d\u6d88\u8d39\uff0c\u6211\u4eec\u4e3b\u8981\u505a\u4e86\u4e24\u65b9\u9762\u5904\u7406\uff1a<\/p>\n\n\n\n
          \u4e00\u662f\u6211\u4eec\u4f7f\u7528\u4e86 RabbitMQ \u7684\u624b\u52a8 ACK \u6a21\u5f0f\uff0c\u6d88\u8d39\u6210\u529f\u540e\u624d\u663e\u5f0f\u786e\u8ba4\uff1b\u4e00\u65e6\u6d88\u8d39\u5931\u8d25\uff0c\u6211\u4eec\u5c06\u6d88\u606f\u91cd\u5165\u961f\u6216\u8f6c\u5165\u6b7b\u4fe1\u961f\u5217\u3002<\/p>\n\n\n\n
          \u4e8c\u662f\u5728\u4e1a\u52a1\u5c42\u9762\u6211\u4eec\u5b9e\u73b0\u4e86\u5e42\u7b49\u6027\u673a\u5236\u3002\u6bcf\u6761\u6d88\u606f\u90fd\u5e26\u6709\u552f\u4e00\u7684 messageId<\/code>\uff0c\u6211\u4eec\u5728\u6d88\u8d39\u524d\u4f1a\u5728 Redis \u4e2d\u505a SETNX \u5224\u65ad\uff0c\u786e\u4fdd\u540c\u4e00\u6761\u6d88\u606f\u53ea\u5904\u7406\u4e00\u6b21\u3002<\/p>\n\n\n\n
          \u6b64\u5916\uff0c\u5bf9\u4e8e\u63d2\u5165\u6570\u636e\u5e93\u7684\u64cd\u4f5c\uff0c\u6211\u4eec\u8fd8\u4f7f\u7528\u552f\u4e00\u7d22\u5f15\u548c\u4e50\u89c2\u9501\u53cc\u91cd\u4fdd\u969c\u3002\u201d<\/p>\n\n\n\n
          \u201c\u5728 Kafka \u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u91c7\u7528\u624b\u52a8\u63d0\u4ea4 offset \u7684\u65b9\u5f0f\u5904\u7406\u6d88\u8d39\u63a7\u5236\uff0c\u5e76\u914d\u5408\u5e42\u7b49\u6027\u8bbe\u8ba1\u4fdd\u969c\u4e1a\u52a1\u6b63\u786e\u6027\u3002\u201d<\/p>\n<\/blockquote>\n\n\n\n
          \n\n\n\n
          \u4e94\u3001\u66f4\u591a\u5efa\u8bae\uff08\u52a0\u5206\u70b9\uff09<\/h2>\n\n\n\n
          \u52a0\u5206\u70b9<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
          \u2705 \u6d88\u606f\u91cd\u8bd5\u6700\u5927\u6b21\u6570\u63a7\u5236<\/td>\u8d85\u8fc7\u6b21\u6570\u6295\u9012\u81f3\u6b7b\u4fe1\u961f\u5217\uff08DLX\uff09<\/td><\/tr>
          \u2705 \u6d88\u606f\u8ddf\u8e2a\u94fe\u8def\uff08Tracing\uff09<\/td>\u65e5\u5fd7\u8ffd\u8e2a + \u6d88\u606f ID \u5173\u8054\u65e5\u5fd7\uff0c\u65b9\u4fbf\u6392\u67e5<\/td><\/tr>
          \u2705 \u5229\u7528 MQ \u81ea\u5e26\u673a\u5236<\/td>RocketMQ \u652f\u6301\u5e42\u7b49\u6d88\u8d39\u7b56\u7565\uff0cKafka \u53ef\u914d\u5408 Exactly-once \u6a21\u5f0f<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"
          \u5728\u7814\u53d1\u5c97\u9762\u8bd5\u4e2d\uff0c\u201c\u5982\u4f55\u907f\u514d\u6d88\u606f\u7684\u91cd\u590d\u6d88\u8d39\uff1f\u201d \u662f\u6d88\u606f\u961f\u5217\u76f8\u5173\u7684\u6838\u5fc3\u95ee\u9898\u4e4b\u4e00\uff0c\u8003\u5bdf\u4f60\u5bf9\u6d88\u606f\u53ef\u9760\u6027\u3001\u5e42\u7b49\u6027\u8bbe\u8ba1\u3001\u6d88 […]<\/p>\n","protected":false},"author":1,"featured_media":3619,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-3618","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-redis"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3618","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3618"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3618\/revisions"}],"predecessor-version":[{"id":3620,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3618\/revisions\/3620"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3619"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}