{"id":73901,"date":"2026-02-08T16:49:12","date_gmt":"2026-02-08T08:49:12","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/73901.html"},"modified":"2026-02-08T16:49:12","modified_gmt":"2026-02-08T08:49:12","slug":"%e7%a7%92%e6%9d%80%e4%bc%98%e5%8c%96-%e5%bc%82%e6%ad%a5%e7%a7%92%e6%9d%80%e6%80%9d%e8%b7%af","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/73901.html","title":{"rendered":"\u79d2\u6740\u4f18\u5316-\u5f02\u6b65\u79d2\u6740\u601d\u8def"},"content":{"rendered":"<h3>\u4e00\u3001\u524d\u8a00&#xff1a;\u4e3a\u4ec0\u4e48\u540c\u6b65\u79d2\u6740\u625b\u4e0d\u4f4f\u9ad8\u5e76\u53d1&#xff1f;<\/h3>\n<p>\u5728\u4f20\u7edf\u79d2\u6740\u5b9e\u73b0\u4e2d&#xff0c;\u7528\u6237\u70b9\u51fb\u201c\u7acb\u5373\u62a2\u8d2d\u201d\u540e&#xff0c;\u7cfb\u7edf\u4f1a\u540c\u6b65\u5b8c\u6210\u4ee5\u4e0b\u64cd\u4f5c&#xff1a;<\/p>\n<li>\u6821\u9a8c\u8d44\u683c&#xff08;\u767b\u5f55\u3001\u9650\u8d2d&#xff09;<\/li>\n<li>\u68c0\u67e5\u5e93\u5b58<\/li>\n<li>\u6263\u51cf\u5e93\u5b58<\/li>\n<li>\u751f\u6210\u8ba2\u5355<\/li>\n<li>\u5199\u5165\u6570\u636e\u5e93<\/li>\n<li>\u8fd4\u56de\u7ed3\u679c<\/li>\n<p>\u770b\u4f3c\u5408\u7406&#xff0c;\u4f46\u5728\u4e07\u4eba\u5e76\u53d1\u573a\u666f\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u8017\u5c3d<\/li>\n<li>Redis CPU \u6253\u6ee1<\/li>\n<li>\u63a5\u53e3\u54cd\u5e94\u65f6\u95f4\u4ece 50ms \u66b4\u6da8\u5230 5s&#043;<\/li>\n<li>\u5927\u91cf\u8bf7\u6c42\u8d85\u65f6\u6216\u5931\u8d25<\/li>\n<\/ul>\n<p>\u6839\u672c\u95ee\u9898&#xff1a;\u6240\u6709\u64cd\u4f5c\u90fd\u5728 HTTP \u8bf7\u6c42\u7ebf\u7a0b\u4e2d\u540c\u6b65\u6267\u884c&#xff0c;\u7cfb\u7edf\u6210\u4e3a\u201c\u74f6\u9888\u6f0f\u6597\u201d\u3002<\/p>\n<p>\u672c\u6587\u5c06\u4ecb\u7ecd\u5f02\u6b65\u79d2\u6740\u67b6\u6784&#xff0c;\u901a\u8fc7\u6d88\u606f\u961f\u5217\u524a\u5cf0\u586b\u8c37&#xff0c;\u8f7b\u677e\u5e94\u5bf9 10 \u500d\u6d41\u91cf\u51b2\u51fb\u3002<\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u5f02\u6b65\u79d2\u6740\u6838\u5fc3\u601d\u60f3&#xff1a;\u5feb\u8fdb\u5feb\u51fa &#043; \u5f02\u6b65\u5904\u7406<\/h3>\n<p>\u2705\u00a0\u6838\u5fc3\u539f\u5219&#xff1a;<br \/>\n\u524d\u7aef\u8bf7\u6c42\u53ea\u505a\u201c\u8d44\u683c\u6821\u9a8c &#043; \u5165\u961f\u201d&#xff0c;\u540e\u7eed\u64cd\u4f5c\u5168\u90e8\u5f02\u6b65\u5316&#xff01;<\/p>\n<h4>\u67b6\u6784\u5bf9\u6bd4&#xff1a;<\/h4>\n<table>\n<tr>\u65b9\u5f0f\u540c\u6b65\u79d2\u6740\u5f02\u6b65\u79d2\u6740<\/tr>\n<tbody>\n<tr>\n<td>\u8bf7\u6c42\u8017\u65f6<\/td>\n<td>200~1000ms<\/td>\n<td>20~50ms<\/td>\n<\/tr>\n<tr>\n<td>DB \u538b\u529b<\/td>\n<td>\u9ad8&#xff08;\u5b9e\u65f6\u5199&#xff09;<\/td>\n<td>\u4f4e&#xff08;\u5f02\u6b65\u6d88\u8d39&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u7cfb\u7edf\u541e\u5410<\/td>\n<td>\u4f4e&#xff08;\u53d7 DB \u9650\u5236&#xff09;<\/td>\n<td>\u9ad8&#xff08;\u4ec5\u53d7 MQ \u9650\u5236&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u6237\u4f53\u9a8c<\/td>\n<td>\u5361\u987f\u3001\u8d85\u65f6<\/td>\n<td>\u79d2\u7ea7\u54cd\u5e94<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e09\u3001\u5f02\u6b65\u79d2\u6740\u6574\u4f53\u67b6\u6784\u56fe<\/h3>\n<p>\u7528\u6237\u8bf7\u6c42<br \/>\n    \u2193<br \/>\n[\u7f51\u5173\u5c42] \u2192 \u9650\u6d41\u3001\u9274\u6743<br \/>\n    \u2193<br \/>\n[\u79d2\u6740\u670d\u52a1]<br \/>\n    \u251c\u2500\u2500 1. \u6821\u9a8c\u7528\u6237\u8d44\u683c&#xff08;\u767b\u5f55\u3001\u4e00\u4eba\u4e00\u5355&#xff09;<br \/>\n    \u251c\u2500\u2500 2. Redis \u6263\u51cf\u9884\u5e93\u5b58&#xff08;Lua \u539f\u5b50&#xff09;<br \/>\n    \u2514\u2500\u2500 3. \u53d1\u9001\u6d88\u606f\u5230 MQ&#xff08;\u5982 RabbitMQ\/Kafka&#xff09;<br \/>\n        \u2193<br \/>\n[\u8ba2\u5355\u6d88\u8d39\u8005]<br \/>\n    \u251c\u2500\u2500 1. \u518d\u6b21\u6821\u9a8c&#xff08;\u515c\u5e95&#xff09;<br \/>\n    \u251c\u2500\u2500 2. \u521b\u5efa\u8ba2\u5355 &amp; \u4f18\u60e0\u5238\u8bb0\u5f55<br \/>\n    \u251c\u2500\u2500 3. \u6263\u51cf DB \u5e93\u5b58&#xff08;\u6700\u7ec8\u4e00\u81f4&#xff09;<br \/>\n    \u2514\u2500\u2500 4. \u53d1\u9001\u901a\u77e5&#xff08;\u77ed\u4fe1\/\u7ad9\u5185\u4fe1&#xff09;<\/p>\n<p>&#x1f511;\u00a0\u5173\u952e\u70b9&#xff1a;HTTP \u8bf7\u6c42\u5728\u7b2c 3 \u6b65\u5c31\u8fd4\u56de\u6210\u529f&#xff01;<\/p>\n<hr \/>\n<h3>\u56db\u3001\u8be6\u7ec6\u5b9e\u73b0\u6b65\u9aa4&#xff08;Spring Boot &#043; RabbitMQ&#xff09;<\/h3>\n<h4>\u6b65\u9aa4 1&#xff1a;\u5b9a\u4e49\u79d2\u6740\u6d88\u606f\u4f53<\/h4>\n<p>public class SeckillMessage {<br \/>\n    private Long userId;<br \/>\n    private Long couponId;<br \/>\n    private String requestId; \/\/ \u5e42\u7b49 ID<br \/>\n    \/\/ getters\/setters<br \/>\n}<\/p>\n<hr \/>\n<h4>\u6b65\u9aa4 2&#xff1a;\u79d2\u6740\u5165\u53e3&#xff08;\u5feb\u8fdb\u5feb\u51fa&#xff09;<\/h4>\n<p>&#064;RestController<br \/>\npublic class SeckillController {<\/p>\n<p>    &#064;Autowired<br \/>\n    private SeckillService seckillService;<\/p>\n<p>    &#064;PostMapping(&#034;\/seckill\/{couponId}&#034;)<br \/>\n    public Result&lt;String&gt; seckill(&#064;PathVariable Long couponId,<br \/>\n                                  &#064;RequestHeader(&#034;userId&#034;) Long userId) {<br \/>\n        \/\/ 1. \u5feb\u901f\u6821\u9a8c&#xff08;Redis \u5224\u65ad\u662f\u5426\u5df2\u9886\u53d6&#xff09;<br \/>\n        if (seckillService.hasReceived(userId, couponId)) {<br \/>\n            return Result.fail(&#034;\u60a8\u5df2\u9886\u53d6\u8fc7\u8be5\u4f18\u60e0\u5238&#034;);<br \/>\n        }<\/p>\n<p>        \/\/ 2. Redis Lua \u539f\u5b50\u6263\u51cf\u9884\u5e93\u5b58<br \/>\n        if (!seckillService.tryDecreaseStock(couponId)) {<br \/>\n            return Result.fail(&#034;\u624b\u6162\u4e86&#xff0c;\u5df2\u62a2\u5149&#xff01;&#034;);<br \/>\n        }<\/p>\n<p>        \/\/ 3. \u53d1\u9001\u5f02\u6b65\u6d88\u606f&#xff08;\u6838\u5fc3&#xff01;&#xff09;<br \/>\n        String requestId &#061; UUID.randomUUID().toString();<br \/>\n        SeckillMessage message &#061; new SeckillMessage(userId, couponId, requestId);<br \/>\n        rabbitTemplate.convertAndSend(&#034;seckill.exchange&#034;, &#034;seckill.route&#034;, message);<\/p>\n<p>        \/\/ 4. \u7acb\u5373\u8fd4\u56de&#xff01;\u4e0d\u7b49\u8ba2\u5355\u521b\u5efa<br \/>\n        return Result.success(&#034;\u63d0\u4ea4\u6210\u529f&#xff0c;\u8bf7\u7a0d\u540e\u67e5\u770b\u9886\u53d6\u8bb0\u5f55&#034;);<br \/>\n    }<br \/>\n}<\/p>\n<p>\u2705\u00a0\u4f18\u52bf&#xff1a;\u6574\u4e2a HTTP \u8bf7\u6c42\u00a0&lt; 50ms&#xff0c;\u7528\u6237\u4f53\u9a8c\u6781\u4f73&#xff01;<\/p>\n<hr \/>\n<h4>\u6b65\u9aa4 3&#xff1a;\u5f02\u6b65\u6d88\u8d39\u8005&#xff08;\u53ef\u9760\u5904\u7406&#xff09;<\/h4>\n<p>&#064;Component<br \/>\n&#064;RabbitListener(queues &#061; &#034;seckill.queue&#034;)<br \/>\npublic class SeckillConsumer {<\/p>\n<p>    &#064;Autowired<br \/>\n    private CouponRecordService recordService;<\/p>\n<p>    &#064;RabbitHandler<br \/>\n    public void handleSeckillMessage(SeckillMessage message) {<br \/>\n        try {<br \/>\n            \/\/ 1. \u5e42\u7b49\u6821\u9a8c&#xff08;\u9632\u6b62\u91cd\u590d\u6d88\u8d39&#xff09;<br \/>\n            if (recordService.existsByRequestId(message.getRequestId())) {<br \/>\n                return;<br \/>\n            }<\/p>\n<p>            \/\/ 2. \u515c\u5e95\u6821\u9a8c&#xff08;Redis \u72b6\u6001\u53ef\u80fd\u53d8\u5316&#xff09;<br \/>\n            if (recordService.hasReceived(message.getUserId(), message.getCouponId())) {<br \/>\n                return; \/\/ \u5df2\u9886\u53d6&#xff0c;\u8df3\u8fc7<br \/>\n            }<\/p>\n<p>            \/\/ 3. \u521b\u5efa\u9886\u53d6\u8bb0\u5f55 &amp; \u6263\u51cf DB \u5e93\u5b58<br \/>\n            recordService.createCouponRecord(<br \/>\n                message.getRequestId(),<br \/>\n                message.getUserId(),<br \/>\n                message.getCouponId()<br \/>\n            );<\/p>\n<p>            \/\/ 4. \u53d1\u9001\u901a\u77e5&#xff08;\u53ef\u9009&#xff09;<br \/>\n            notificationService.sendSuccessMsg(message.getUserId());<\/p>\n<p>        } catch (Exception e) {<br \/>\n            \/\/ \u8bb0\u5f55\u65e5\u5fd7&#xff0c;\u53ef\u914d\u7f6e\u6b7b\u4fe1\u961f\u5217\u91cd\u8bd5<br \/>\n            log.error(&#034;\u79d2\u6740\u5f02\u6b65\u5904\u7406\u5931\u8d25&#034;, e);<br \/>\n        }<br \/>\n    }<br \/>\n}<\/p>\n<hr \/>\n<h3>\u4e94\u3001\u5173\u952e\u6280\u672f\u70b9\u89e3\u6790<\/h3>\n<h4>1\ufe0f\u20e3\u00a0\u9884\u5e93\u5b58 vs \u771f\u5b9e\u5e93\u5b58<\/h4>\n<ul>\n<li>Redis \u9884\u5e93\u5b58&#xff1a;\u7528\u4e8e\u5feb\u901f\u62e6\u622a\u8d85\u5356&#xff08;\u9ad8\u6027\u80fd&#xff09;<\/li>\n<li>DB \u771f\u5b9e\u5e93\u5b58&#xff1a;\u7528\u4e8e\u6301\u4e45\u5316\u548c\u5bf9\u8d26&#xff08;\u5f3a\u4e00\u81f4&#xff09;<\/li>\n<li>\u4e24\u8005\u5141\u8bb8\u77ed\u6682\u4e0d\u4e00\u81f4&#xff0c;\u901a\u8fc7\u5bf9\u8d26 Job\u4fee\u590d<\/li>\n<\/ul>\n<h4>2\ufe0f\u20e3\u00a0\u5e42\u7b49\u6027\u4fdd\u969c<\/h4>\n<ul>\n<li>\u6d88\u606f\u643a\u5e26\u00a0requestId&#xff08;\u5168\u5c40\u552f\u4e00&#xff09;<\/li>\n<li>\u6d88\u8d39\u524d\u68c0\u67e5\u662f\u5426\u5df2\u5904\u7406&#xff0c;\u907f\u514d\u91cd\u590d\u53d1\u5238<\/li>\n<\/ul>\n<h4>3\ufe0f\u20e3\u00a0\u5931\u8d25\u8865\u507f\u673a\u5236<\/h4>\n<ul>\n<li>\u6d88\u8d39\u5931\u8d25 \u2192 \u8fdb\u5165\u6b7b\u4fe1\u961f\u5217&#xff08;DLQ&#xff09;<\/li>\n<li>\u5b9a\u65f6\u4efb\u52a1\u626b\u63cf DLQ&#xff0c;\u4eba\u5de5\u6216\u81ea\u52a8\u91cd\u8bd5<\/li>\n<\/ul>\n<h4>4\ufe0f\u20e3\u00a0\u7528\u6237\u4f53\u9a8c\u4f18\u5316<\/h4>\n<ul>\n<li>\u524d\u7aef\u63d0\u793a&#xff1a;\u201c\u63d0\u4ea4\u6210\u529f&#xff0c;\u6b63\u5728\u5904\u7406&#8230;\u201d<\/li>\n<li>\u8df3\u8f6c\u5230\u201c\u6211\u7684\u4f18\u60e0\u5238\u201d\u9875&#xff0c;\u8f6e\u8be2\u72b6\u6001&#xff08;\u6216 WebSocket \u63a8\u9001&#xff09;<\/li>\n<\/ul>\n<hr \/>\n<h3>\u516d\u3001\u5f02\u6b65\u79d2\u6740\u7684\u4f18\u52bf\u603b\u7ed3<\/h3>\n<table>\n<tr>\u7ef4\u5ea6\u6548\u679c<\/tr>\n<tbody>\n<tr>\n<td>\u6027\u80fd<\/td>\n<td>QPS \u63d0\u5347 5~10 \u500d&#xff08;\u4ece 1000 \u2192 10000&#043;&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u7a33\u5b9a\u6027<\/td>\n<td>DB 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\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/h4>\n<ul>\n<li>\u4e0d\u9002\u7528\u4e8e\u5f3a\u4e00\u81f4\u6027\u573a\u666f&#xff08;\u5982\u652f\u4ed8&#xff09;<\/li>\n<li>\u9700\u8981\u8bbe\u8ba1\u72b6\u6001\u67e5\u8be2\u63a5\u53e3&#xff08;\u7528\u6237\u9700\u77e5\u9053\u662f\u5426\u6210\u529f&#xff09;<\/li>\n<li>MQ \u5fc5\u987b\u9ad8\u53ef\u7528&#xff08;\u96c6\u7fa4\u90e8\u7f72 &#043; \u6301\u4e45\u5316&#xff09;<\/li>\n<li>\u76d1\u63a7\u6d88\u606f\u79ef\u538b&#xff08;\u5982 Prometheus &#043; Grafana&#xff09;<\/li>\n<\/ul>\n<hr 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