{"id":36201,"date":"2025-03-26T14:29:08","date_gmt":"2025-03-26T06:29:08","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=36201"},"modified":"2025-03-26T14:29:08","modified_gmt":"2025-03-26T06:29:08","slug":"%e6%9c%8d%e5%8a%a1%e8%b0%83%e7%94%a8%e9%93%be%e7%9a%84%e8%af%b7%e6%b1%82%e8%b6%85%e6%97%b6%e6%9c%ba%e5%88%b6%e6%9c%89%e5%93%aa%e4%ba%9b%e5%ae%9e%e7%8e%b0%e6%96%b9%e6%b3%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/36201.html","title":{"rendered":"\u670d\u52a1\u8c03\u7528\u94fe\u7684\u8bf7\u6c42\u8d85\u65f6\u673a\u5236\u6709\u54ea\u4e9b\u5b9e\u73b0\u65b9\u6cd5\uff1f"},"content":{"rendered":"<p style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2025\/03\/6zj566m1.jpg\" alt=\"\u670d\u52a1\u8c03\u7528\u94fe\u7684\u8bf7\u6c42\u8d85\u65f6\u673a\u5236\u6709\u54ea\u4e9b\u5b9e\u73b0\u65b9\u6cd5\uff1f\" ><\/p>\n<\/p>\n<p>\u3010\u524d\u8a00\u3011<br \/>\n\u5728\u5206\u5e03\u5f0f\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u670d\u52a1\u95f4\u7684\u8c03\u7528\u94fe\u5982\u540c\u7cbe\u5bc6\u8fd0\u8f6c\u7684\u9f7f\u8f6e\u7ec4\uff0c\u4efb\u4f55\u4e00\u4e2a\u73af\u8282\u7684\u5ef6\u8fdf\u6216\u963b\u585e\u90fd\u53ef\u80fd\u5bfc\u81f4\u6574\u4e2a\u7cfb\u7edf\u7684\u201c\u5361\u987f\u201d\u3002\u636e\u7edf\u8ba1\uff0c<strong>\u8d85\u8fc760%\u7684\u7ebf\u4e0a\u6545\u969c<\/strong>\u6e90\u4e8e\u672a\u5408\u7406\u5904\u7406\u7684\u8d85\u65f6\u95ee\u9898\u3002\u5982\u4f55\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u786e\u4fdd\u8c03\u7528\u94fe\u7684\u7a33\u5b9a\u6027\uff1f\u8bf7\u6c42\u8d85\u65f6\u673a\u5236\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\uff0c\u6b63\u662f\u89e3\u5f00\u8fd9\u4e00\u96be\u9898\u7684\u5173\u952e\u94a5\u5319\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u670d\u52a1\u8c03\u7528\u94fe<\/a>\u4e2d\u8d85\u65f6\u63a7\u5236\u7684\u5178\u578b\u65b9\u6848\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u573a\u666f\u63a2\u8ba8\u5176\u6280\u672f\u7ec6\u8282\uff0c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u53ef\u843d\u5730\u7684\u4f18\u5316\u601d\u8def\u3002<\/p>\n<hr>\n<h3 id=\"\u4e00-\u670d\u52a1\u8c03\u7528\u94fe\u8d85\u65f6\u673a\u5236\u7684\u6838\u5fc3\u903b\u8f91\">\u4e00\u3001<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u670d\u52a1\u8c03\u7528\u94fe<\/a>\u8d85\u65f6\u673a\u5236\u7684\u6838\u5fc3\u903b\u8f91<\/h3>\n<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u670d\u52a1A\u8c03\u7528\u670d\u52a1B\uff0c\u670d\u52a1B\u53ef\u80fd\u8fdb\u4e00\u6b65\u8c03\u7528\u670d\u52a1C\uff0c\u5f62\u6210\u591a\u7ea7\u5d4c\u5957\u7684<strong>\u8c03\u7528\u94fe\uff08Call Chain\uff09<\/strong>\u3002\u82e5\u4e0b\u6e38\u670d\u52a1\u56e0\u7f51\u7edc\u5ef6\u8fdf\u3001\u8d44\u6e90\u7ade\u4e89\u6216\u4ee3\u7801\u7f3a\u9677\u5bfc\u81f4\u54cd\u5e94\u8d85\u65f6\uff0c\u4e0a\u6e38\u670d\u52a1\u5982\u672a\u53ca\u65f6\u4e2d\u65ad\u7b49\u5f85\uff0c\u5c06\u5f15\u53d1\u7ebf\u7a0b\u963b\u585e\u3001\u8d44\u6e90\u8017\u5c3d\u751a\u81f3\u96ea\u5d29\u6548\u5e94\u3002<\/p>\n<p><strong>\u8d85\u65f6\u673a\u5236\u7684\u6838\u5fc3\u76ee\u6807<\/strong>\u5728\u4e8e\uff1a<\/p>\n<ol>\n<li><strong>\u5feb\u901f\u5931\u8d25<\/strong>\uff1a\u907f\u514d\u65e0\u6548\u7b49\u5f85\uff0c\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90\n<\/li>\n<li><strong>\u6545\u969c\u9694\u79bb<\/strong>\uff1a\u9632\u6b62\u5c40\u90e8\u95ee\u9898\u6269\u6563\u81f3\u5168\u5c40\n<\/li>\n<li><strong>\u5f39\u6027\u6062\u590d<\/strong>\uff1a\u4e3a\u7cfb\u7edf\u63d0\u4f9b\u81ea\u52a8\u964d\u7ea7\u80fd\u529b\n<\/li>\n<\/ol>\n<hr>\n<h3 id=\"\u4e8c-\u56db\u7c7b\u5178\u578b\u5b9e\u73b0\u65b9\u6848\u5bf9\u6bd4\">\u4e8c\u3001\u56db\u7c7b\u5178\u578b\u5b9e\u73b0\u65b9\u6848\u5bf9\u6bd4<\/h3>\n<h4 id=\"1-\u9759\u6001\u8d85\u65f6\u914d\u7f6e\">1. <strong>\u9759\u6001\u8d85\u65f6\u914d\u7f6e<\/strong><\/h4>\n<p>\u901a\u8fc7\u9884\u5b9a\u4e49\u56fa\u5b9a\u9608\u503c\u63a7\u5236\u8bf7\u6c42\u7b49\u5f85\u65f6\u95f4\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-java\">\/\/ Spring Cloud Feign\u793a\u4f8b  \r\n@FeignClient(name=&quot;serviceB&quot;, configuration = FeignConfig.class)  \r\npublic interface ServiceBClient {  \r\n@RequestMapping(method = RequestMethod.GET, value = &quot;\/api&quot;)  \r\n@Timeout(5000) \/\/ \u8bbe\u7f6e5\u79d2\u8d85\u65f6  \r\nString getData();  \r\n}  \r\n<\/code><\/pre>\n<p><strong>\u4f18\u52bf<\/strong>\uff1a\u5b9e\u73b0\u7b80\u5355\uff0c\u9002\u7528\u4e8e\u8c03\u7528\u5173\u7cfb\u7a33\u5b9a\u7684\u7cfb\u7edf<br \/>\n<strong>\u7f3a\u9677<\/strong>\uff1a<\/p>\n<ul>\n<li>\u96be\u4ee5\u9002\u914d\u52a8\u6001\u53d8\u5316\u7684\u7f51\u7edc\u73af\u5883\n<\/li>\n<li>\u5168\u5c40\u7edf\u4e00\u9608\u503c\u53ef\u80fd\u5bfc\u81f4\u8fc7\u5ea6\u4fdd\u5b88\/\u6fc0\u8fdb\n<\/li>\n<li>\u9700\u4eba\u5de5\u7ef4\u62a4\u591a\u73af\u5883\u914d\u7f6e\n<\/li>\n<\/ul>\n<h4 id=\"2-\u52a8\u6001\u8d85\u65f6\u8c03\u6574\">2. <strong>\u52a8\u6001\u8d85\u65f6\u8c03\u6574<\/strong><\/h4>\n<p>\u57fa\u4e8e\u5b9e\u65f6\u6307\u6807\uff08\u5982P99\u5ef6\u8fdf\u3001\u9519\u8bef\u7387\uff09\u81ea\u52a8\u4f18\u5316\u8d85\u65f6\u9608\u503c\u3002\u5173\u952e\u6280\u672f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6ed1\u52a8\u7a97\u53e3\u7b97\u6cd5<\/strong>\uff1a\u7edf\u8ba1\u6700\u8fd1N\u6b21\u8c03\u7528\u7684\u54cd\u5e94\u65f6\u95f4\n<\/li>\n<li><strong>\u6307\u6570\u52a0\u6743\u79fb\u52a8\u5e73\u5747\uff08EWMA\uff09<\/strong>\uff1a\u5e73\u6ed1\u5386\u53f2\u6570\u636e\u6ce2\u52a8\n<\/li>\n<li><strong>\u673a\u5668\u5b66\u4e60\u9884\u6d4b<\/strong>\uff1a\u4f7f\u7528LSTM\u7b49\u6a21\u578b\u9884\u6d4b\u672a\u6765\u5ef6\u8fdf\n<\/li>\n<\/ul>\n<p>\u67d0\u7535\u5546\u5e73\u53f0\u5b9e\u8df5\u6848\u4f8b\uff1a<\/p>\n<blockquote>\n<p>\u901a\u8fc7\u76d1\u63a7\u8ba2\u5355\u670d\u52a1\u7684\u8c03\u7528\u5ef6\u8fdf\uff0c\u5f53\u68c0\u6d4b\u5230\u6570\u636e\u5e93\u54cd\u5e94P\u503c\u7a81\u7834800ms\u65f6\uff0c\u81ea\u52a8\u5c06\u8d85\u65f6\u9608\u503c\u4ece\u9ed8\u8ba42\u79d2\u8c03\u6574\u4e3a1.5\u79d2\uff0c\u540c\u65f6\u89e6\u53d1\u964d\u7ea7\u7b56\u7565\u8fd4\u56de\u7f13\u5b58\u6570\u636e\uff0c\u6210\u529f\u5c06\u6545\u969c\u5f71\u54cd\u8303\u56f4\u7f29\u5c0f70%\u3002<\/p>\n<\/blockquote>\n<h4 id=\"3-\u7194\u65ad\u5668\u6a21\u5f0f\">3. <strong>\u7194\u65ad\u5668\u6a21\u5f0f<\/strong><\/h4>\n<p>Hystrix\u3001Resilience4j\u7b49\u6846\u67b6\u91c7\u7528\u7684\u7ecf\u5178\u6a21\u5f0f\uff0c\u5305\u542b\u4e09\u79cd\u72b6\u6001\u8f6c\u6362\uff1a<\/p>\n<ul>\n<li><strong>Closed<\/strong>\uff1a\u6b63\u5e38\u5904\u7406\u8bf7\u6c42\n<\/li>\n<li><strong>Open<\/strong>\uff1a\u76f4\u63a5\u62d2\u7edd\u8bf7\u6c42\uff0c\u8df3\u8fc7\u771f\u5b9e\u8c03\u7528\n<\/li>\n<li><strong>Half-Open<\/strong>\uff1a\u8bd5\u63a2\u6027\u653e\u884c\u90e8\u5206\u8bf7\u6c42\n<\/li>\n<\/ul>\n<p><strong>\u53c2\u6570\u914d\u7f6e\u793a\u4f8b<\/strong>\uff1a<\/p>\n<pre><code class=\"language-yaml\">resilience4j.circuitbreaker:  \r\ninstances:  \r\nserviceB:  \r\nfailureRateThreshold: 50  \r\nslowCallDurationThreshold: 2s  \r\npermittedNumberOfCallsInHalfOpenState: 10  \r\n<\/code><\/pre>\n<p><strong>\u534f\u540c\u8d85\u65f6\u673a\u5236\u7684\u5173\u952e\u70b9<\/strong>\uff1a<\/p>\n<ul>\n<li>\u7194\u65ad\u89e6\u53d1\u6761\u4ef6\u9700\u5305\u542b\u8d85\u65f6\u9519\u8bef\u7edf\u8ba1\n<\/li>\n<li>\u534a\u5f00\u72b6\u6001\u4e0b\u7684\u63a2\u6d4b\u8bf7\u6c42\u5fc5\u987b\u914d\u7f6e\u66f4\u4e25\u683c\u7684\u8d85\u65f6\u9608\u503c\n<\/li>\n<\/ul>\n<h4 id=\"4-\u5168\u94fe\u8def\u8d85\u65f6\u4f20\u9012\">4. <strong>\u5168\u94fe\u8def\u8d85\u65f6\u4f20\u9012<\/strong><\/h4>\n<p>\u5728\u8c03\u7528\u94fe\u7684\u6bcf\u4e2a\u8282\u70b9\u7ee7\u627f\u5269\u4f59\u8d85\u65f6\u65f6\u95f4\uff0c\u907f\u514d\u7ea7\u8054\u5931\u6548\u3002\u5b9e\u73b0\u8981\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u4e0a\u4e0b\u6587\u4f20\u64ad<\/strong>\uff1a\u901a\u8fc7HTTP Header\uff08\u5982<code>X-Request-Timeout-Remaining<\/code>\uff09\u4f20\u9012\u5269\u4f59\u65f6\u95f4\n<\/li>\n<li><strong>\u65f6\u95f4\u9884\u7b97\u5206\u914d<\/strong>\uff1a\u7236\u8282\u70b9\u9884\u755920%-30%\u65f6\u95f4\u7528\u4e8e\u81ea\u8eab\u5904\u7406\u903b\u8f91\n<\/li>\n<li><strong><a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u5206\u5e03\u5f0f\u8ffd\u8e2a<\/a>\u96c6\u6210<\/strong>\uff1a\u7ed3\u5408Jaeger\u3001<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">SkyWalking<\/a>\u7b49\u5de5\u5177\u53ef\u89c6\u5316\u8d85\u65f6\u8def\u5f84\n<\/li>\n<\/ul>\n<p>\u67d0\u91d1\u878d\u7cfb\u7edf\u4f18\u5316\u6848\u4f8b\uff1a<\/p>\n<blockquote>\n<p>\u539f\u5148\u5404\u670d\u52a1\u72ec\u7acb\u8bbe\u7f6e3\u79d2\u8d85\u65f6\uff0c\u5bfc\u81f4\u94fe\u8def\u672b\u7aef\u5b9e\u9645\u53ef\u7528\u65f6\u95f4\u4e0d\u8db31\u79d2\u3002\u5f15\u5165\u65f6\u95f4\u9884\u7b97\u5206\u914d\u540e\uff0c\u9996\u8282\u70b9\u8bbe\u7f6e\u603b\u8d85\u65f610\u79d2\uff0c\u9010\u5c42\u6263\u9664\u5904\u7406\u8017\u65f6\uff0c\u6700\u7ec8\u4f7f\u6210\u529f\u7387\u4ece82%\u63d0\u5347\u81f397%\u3002<\/p>\n<\/blockquote>\n<hr>\n<h3 id=\"\u4e09-\u8fdb\u9636\u4f18\u5316\u7b56\u7565\">\u4e09\u3001\u8fdb\u9636\u4f18\u5316\u7b56\u7565<\/h3>\n<h4 id=\"1-\u5206\u7ea7\u8d85\u65f6\u7b56\u7565\">1. <strong>\u5206\u7ea7\u8d85\u65f6\u7b56\u7565<\/strong><\/h4>\n<p>\u6839\u636eAPI\u91cd\u8981\u6027\u5b9e\u65bd\u5dee\u5f02\u5316\u7ba1\u7406\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7ea7\u522b<\/th>\n<th>\u573a\u666f\u793a\u4f8b<\/th>\n<th>\u8d85\u65f6\u9608\u503c<\/th>\n<th>\u964d\u7ea7\u7b56\u7565<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>S\u7ea7<\/td>\n<td>\u652f\u4ed8\u6838\u5fc3\u94fe\u8def<\/td>\n<td>800ms<\/td>\n<td>\u540c\u6b65\u8f6c\u5f02\u6b65\u5904\u7406<\/td>\n<\/tr>\n<tr>\n<td>A\u7ea7<\/td>\n<td>\u5546\u54c1\u4fe1\u606f\u67e5\u8be2<\/td>\n<td>1.5s<\/td>\n<td>\u8fd4\u56de\u672c\u5730\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>B\u7ea7<\/td>\n<td>\u63a8\u8350\u8ba1\u7b97<\/td>\n<td>3s<\/td>\n<td>\u653e\u5f03\u975e\u6838\u5fc3\u7279\u5f81\u8ba1\u7b97<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 id=\"2-\u8d85\u65f6\u4e0e\u91cd\u8bd5\u7684\u5e73\u8861\">2. <strong>\u8d85\u65f6\u4e0e\u91cd\u8bd5\u7684\u5e73\u8861<\/strong><\/h4>\n<p>\u9519\u8bef\u7684\u91cd\u8bd5\u7b56\u7565\u53ef\u80fd\u52a0\u5267\u7cfb\u7edf\u538b\u529b\uff0c\u9700\u9075\u5faa\uff1a<\/p>\n<ul>\n<li><strong>\u6307\u6570\u9000\u907f\u91cd\u8bd5<\/strong>\uff1a\u9996\u6b21\u91cd\u8bd5\u95f4\u96941s\uff0c\u540e\u7eed\u63092^n\u9012\u589e\n<\/li>\n<li><strong>\u7194\u65ad\u524d\u7f6e<\/strong>\uff1a\u91cd\u8bd5\u524d\u68c0\u67e5\u4e0b\u6e38\u5065\u5eb7\u72b6\u6001\n<\/li>\n<li><strong>\u5e42\u7b49\u6027\u4fdd\u969c<\/strong>\uff1a\u786e\u4fdd\u91cd\u590d\u8bf7\u6c42\u4e0d\u4f1a\u5f15\u53d1\u526f\u4f5c\u7528\n<\/li>\n<\/ul>\n<h4 id=\"3-\u8d44\u6e90\u9694\u79bb\u5f3a\u5316\">3. <strong>\u8d44\u6e90\u9694\u79bb\u5f3a\u5316<\/strong><\/h4>\n<p>\u901a\u8fc7\u7ebf\u7a0b\u6c60\/\u4fe1\u53f7\u91cf\u9694\u79bb\u4e0d\u540c\u670d\u52a1\u7684\u8d85\u65f6\u5f71\u54cd\uff1a<\/p>\n<pre><code class=\"language-java\">\/\/ Hystrix\u7ebf\u7a0b\u6c60\u9694\u79bb\u793a\u4f8b  \r\n@HystrixCommand(  \r\nthreadPoolKey = &quot;inventoryThreadPool&quot;,  \r\nthreadPoolProperties = {  \r\n@HystrixProperty(name=&quot;coreSize&quot;, value=&quot;20&quot;),  \r\n@HystrixProperty(name=&quot;maxQueueSize&quot;, value=&quot;10&quot;)  \r\n}  \r\n)  \r\npublic Inventory checkStock() {...}  \r\n<\/code><\/pre>\n<hr>\n<h3 id=\"\u56db-\u76d1\u63a7\u4e0e\u8c03\u4f18\u5b9e\u8df5\">\u56db\u3001\u76d1\u63a7\u4e0e\u8c03\u4f18\u5b9e\u8df5<\/h3>\n<p><strong>\u9ec4\u91d1\u6307\u6807\u76d1\u63a7\u4f53\u7cfb<\/strong>\uff1a<\/p>\n<ol>\n<li><strong>\u8d85\u65f6\u7387\uff08Timeout Rate\uff09<\/strong>\uff1a\u8d85\u65f6\u8bf7\u6c42\u6570\/\u603b\u8bf7\u6c42\u6570\n<\/li>\n<li><strong>MTTR\uff08\u5e73\u5747\u6062\u590d\u65f6\u95f4\uff09<\/strong>\uff1a\u4ece\u8d85\u65f6\u53d1\u751f\u5230\u7cfb\u7edf\u6062\u590d\u7684\u8017\u65f6\n<\/li>\n<li><strong>\u8d44\u6e90\u5229\u7528\u7387<\/strong>\uff1a\u7ebf\u7a0b\u6c60\u4f7f\u7528\u7387\u3001TCP\u8fde\u63a5\u6570\u7b49\n<\/li>\n<\/ol>\n<p><strong>\u8c03\u4f18\u5de5\u5177\u94fe\u63a8\u8350<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>\u538b\u529b\u6d4b\u8bd5<\/strong>\uff1a\u4f7f\u7528JMeter\u6a21\u62df\u4e0d\u540c\u8d85\u65f6\u573a\u666f\n<\/li>\n<li><strong>\u6545\u969c\u6ce8\u5165<\/strong>\uff1a\u901a\u8fc7Chaos Monkey\u6d4b\u8bd5\u7194\u65ad\u673a\u5236\u6709\u6548\u6027\n<\/li>\n<li><strong>\u52a8\u6001\u8c03\u8bd5<\/strong>\uff1a\u5229\u7528Arthas\u5728\u7ebf\u5206\u6790\u7ebf\u7a0b\u963b\u585e\u70b9\n<\/li>\n<\/ul>\n<blockquote>\n<p><em>\u67d0\u793e\u4ea4\u5e73\u53f0\u901a\u8fc7\u76d1\u63a7\u53d1\u73b0\uff0c\u597d\u53cb\u5173\u7cfb\u670d\u52a1\u5728\u665a\u9ad8\u5cf0\u8d85\u65f6\u7387\u9661\u589e\u3002\u8fdb\u4e00\u6b65\u5206\u6790\u7ebf\u7a0b\u5806\u6808\u53d1\u73b0\uff0c80%\u7684\u963b\u585e\u53d1\u751f\u5728\u6570\u636e\u5e93\u8fde\u63a5\u83b7\u53d6\u9636\u6bb5\u3002\u5c06\u8fde\u63a5\u6c60\u5927\u5c0f\u4ece50\u8c03\u6574\u4e3a200\uff0c\u5e76\u8bbe\u7f6e\u83b7\u53d6\u8fde\u63a5\u8d85\u65f6300ms\u540e\uff0cAPI\u6210\u529f\u7387\u7acb\u5373\u56de\u5347\u81f399.6%\u4ee5\u4e0a\u3002<\/em><\/p>\n<\/blockquote>\n<hr>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u591a\u7ef4\u5ea6\u7b56\u7565\u7684\u7ec4\u5408\u4f7f\u7528\uff0c\u6280\u672f\u56e2\u961f\u53ef\u6784\u5efa\u51fa<strong>\u5f39\u6027\u81ea\u9002\u5e94<\/strong>\u7684\u8d85\u65f6\u63a7\u5236\u4f53\u7cfb\u3002\u9700\u8981\u5f3a\u8c03\u7684\u662f\uff0c\u8d85\u65f6\u673a\u5236\u5e76\u975e\u72ec\u7acb\u5b58\u5728\uff0c\u5fc5\u987b\u4e0e\u9650\u6d41\u3001\u964d\u7ea7\u3001\u5bb9\u9519\u7b49\u6a21\u5757\u534f\u540c\u5de5\u4f5c\uff0c\u624d\u80fd\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u590d\u6742\u6218\u573a\u4e2d\u5b9e\u73b0\u771f\u6b63\u7684\u7a33\u5b9a\u6027\u7a81\u7834\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u524d\u8a00\u3011 \u5728\u5206\u5e03\u5f0f\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u670d\u52a1\u95f4\u7684\u8c03\u7528\u94fe\u5982\u540c\u7cbe\u5bc6\u8fd0\u8f6c\u7684\u9f7f\u8f6e\u7ec4\uff0c\u4efb\u4f55\u4e00\u4e2a\u73af\u8282\u7684\u5ef6\u8fdf\u6216\u963b\u585e\u90fd\u53ef\u80fd\u5bfc\u81f4\u6574\u4e2a\u7cfb\u7edf\u7684\u201c\u5361\u987f\u201d\u3002\u636e\u7edf\u8ba1\uff0c\u8d85\u8fc760%\u7684\u7ebf\u4e0a\u6545\u969c\u6e90\u4e8e\u672a\u5408\u7406\u5904\u7406\u7684\u8d85\u65f6\u95ee\u9898\u3002\u5982\u4f55\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u786e\u4fdd\u8c03\u7528\u94fe\u7684\u7a33\u5b9a\u6027\uff1f\u8bf7\u6c42\u8d85\u65f6\u673a\u5236\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\uff0c\u6b63\u662f\u89e3\u5f00\u8fd9\u4e00\u96be\u9898\u7684\u5173\u952e\u94a5\u5319\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790\u670d\u52a1\u8c03\u7528\u94fe\u4e2d\u8d85\u65f6\u63a7\u5236\u7684\u5178\u578b\u65b9\u6848\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u573a\u666f\u63a2\u8ba8\u5176\u6280\u672f\u7ec6\u8282\uff0c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u53ef\u843d\u5730\u7684\u4f18\u5316\u601d\u8def\u3002 \u4e00\u3001\u670d\u52a1\u8c03\u7528\u94fe\u8d85\u65f6\u673a\u5236\u7684\u6838\u5fc3\u903b\u8f91 \u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u670d\u52a1A\u8c03\u7528\u670d\u52a1B\uff0c\u670d\u52a1B\u53ef\u80fd\u8fdb\u4e00\u6b65\u8c03\u7528\u670d\u52a1C\uff0c\u5f62\u6210\u591a\u7ea7\u5d4c\u5957\u7684\u8c03\u7528\u94fe\uff08Call Chain\uff09\u3002\u82e5\u4e0b\u6e38\u670d\u52a1\u56e0\u7f51\u7edc\u5ef6\u8fdf\u3001\u8d44\u6e90\u7ade\u4e89\u6216\u4ee3\u7801\u7f3a\u9677\u5bfc\u81f4\u54cd\u5e94\u8d85\u65f6\uff0c\u4e0a\u6e38\u670d\u52a1\u5982\u672a\u53ca\u65f6\u4e2d\u65ad\u7b49\u5f85\uff0c\u5c06\u5f15\u53d1\u7ebf\u7a0b\u963b\u585e\u3001\u8d44\u6e90\u8017\u5c3d\u751a\u81f3\u96ea\u5d29\u6548\u5e94\u3002 \u8d85\u65f6\u673a\u5236\u7684\u6838\u5fc3\u76ee\u6807\u5728\u4e8e\uff1a \u5feb\u901f\u5931\u8d25\uff1a\u907f\u514d\u65e0\u6548\u7b49\u5f85\uff0c\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90 \u6545\u969c\u9694\u79bb\uff1a\u9632\u6b62\u5c40\u90e8\u95ee\u9898\u6269\u6563\u81f3\u5168\u5c40 \u5f39\u6027\u6062\u590d\uff1a\u4e3a\u7cfb\u7edf\u63d0\u4f9b\u81ea\u52a8\u964d\u7ea7\u80fd\u529b \u4e8c\u3001\u56db\u7c7b\u5178\u578b\u5b9e\u73b0\u65b9\u6848\u5bf9\u6bd4 1. \u9759\u6001\u8d85\u65f6\u914d\u7f6e \u901a\u8fc7\u9884\u5b9a\u4e49\u56fa\u5b9a\u9608\u503c\u63a7\u5236\u8bf7\u6c42\u7b49\u5f85\u65f6\u95f4\uff0c\u4f8b\u5982\uff1a \/\/ Spring Cloud Feign\u793a\u4f8b @FeignClient(name=&quot;serviceB&quot;, configuration = FeignConfig.class) public interface ServiceBClient { @RequestMapping(method = RequestMethod.GET, value = &quot;\/api&quot;) @Timeout(5000) \/\/ \u8bbe\u7f6e5\u79d2\u8d85\u65f6 String getData(); } \u4f18\u52bf\uff1a\u5b9e\u73b0\u7b80\u5355\uff0c\u9002\u7528\u4e8e\u8c03\u7528\u5173\u7cfb\u7a33\u5b9a\u7684\u7cfb\u7edf \u7f3a\u9677\uff1a \u96be\u4ee5\u9002\u914d\u52a8\u6001\u53d8\u5316\u7684\u7f51\u7edc\u73af\u5883 \u5168\u5c40\u7edf\u4e00\u9608\u503c\u53ef\u80fd\u5bfc\u81f4\u8fc7\u5ea6\u4fdd\u5b88\/\u6fc0\u8fdb \u9700\u4eba\u5de5\u7ef4\u62a4\u591a\u73af\u5883\u914d\u7f6e 2. \u52a8\u6001\u8d85\u65f6\u8c03\u6574 \u57fa\u4e8e\u5b9e\u65f6\u6307\u6807\uff08\u5982P99\u5ef6\u8fdf\u3001\u9519\u8bef\u7387\uff09\u81ea\u52a8\u4f18\u5316\u8d85\u65f6\u9608\u503c\u3002\u5173\u952e\u6280\u672f\u5305\u62ec\uff1a \u6ed1\u52a8\u7a97\u53e3\u7b97\u6cd5\uff1a\u7edf\u8ba1\u6700\u8fd1N\u6b21\u8c03\u7528\u7684\u54cd\u5e94\u65f6\u95f4 \u6307\u6570\u52a0\u6743\u79fb\u52a8\u5e73\u5747\uff08EWMA\uff09\uff1a\u5e73\u6ed1\u5386\u53f2\u6570\u636e\u6ce2\u52a8 \u673a\u5668\u5b66\u4e60\u9884\u6d4b\uff1a\u4f7f\u7528LSTM\u7b49\u6a21\u578b\u9884\u6d4b\u672a\u6765\u5ef6\u8fdf \u67d0\u7535\u5546\u5e73\u53f0\u5b9e\u8df5\u6848\u4f8b\uff1a \u901a\u8fc7\u76d1\u63a7\u8ba2\u5355\u670d\u52a1\u7684\u8c03\u7528\u5ef6\u8fdf\uff0c\u5f53\u68c0\u6d4b\u5230\u6570\u636e\u5e93\u54cd\u5e94P\u503c\u7a81\u7834800ms\u65f6\uff0c\u81ea\u52a8\u5c06\u8d85\u65f6\u9608\u503c\u4ece\u9ed8\u8ba42\u79d2\u8c03\u6574\u4e3a1.5\u79d2\uff0c\u540c\u65f6\u89e6\u53d1\u964d\u7ea7\u7b56\u7565\u8fd4\u56de\u7f13\u5b58\u6570\u636e\uff0c\u6210\u529f\u5c06\u6545\u969c\u5f71\u54cd\u8303\u56f4\u7f29\u5c0f70%\u3002 3. \u7194\u65ad\u5668\u6a21\u5f0f Hystrix\u3001Resilience4j\u7b49\u6846\u67b6\u91c7\u7528\u7684\u7ecf\u5178\u6a21\u5f0f\uff0c\u5305\u542b\u4e09\u79cd\u72b6\u6001\u8f6c\u6362\uff1a Closed\uff1a\u6b63\u5e38\u5904\u7406\u8bf7\u6c42 Open\uff1a\u76f4\u63a5\u62d2\u7edd\u8bf7\u6c42\uff0c\u8df3\u8fc7\u771f\u5b9e\u8c03\u7528 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":36202,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-36201","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/36201","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=36201"}],"version-history":[{"count":1,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/36201\/revisions"}],"predecessor-version":[{"id":36203,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/36201\/revisions\/36203"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/36202"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=36201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=36201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=36201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}