{"id":1945,"date":"2023-04-01T10:08:50","date_gmt":"2023-04-01T02:08:50","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1945"},"modified":"2023-04-22T08:43:21","modified_gmt":"2023-04-22T00:43:21","slug":"zuul-parameter-tuning-under-high-concurrency","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/04\/01\/zuul-parameter-tuning-under-high-concurrency\/","title":{"rendered":"\u9ad8\u5e76\u53d1\u4e0bZuul\u53c2\u6570\u8c03\u4f18"},"content":{"rendered":"<h2>What is Zuul?<\/h2>\n<p>\u5b98\u65b9\u4ecb\u7ecd\uff1a<\/p>\n<blockquote>\n<p>Zuul is the front door for all requests from devices and web sites to the backend of the Netflix streaming application.As an edge service application, Zuul is built to enable dynamic routing, monitoring, resiliency and security. It also has the ability to route requests to multiple Amazon Auto Scaling Groups as appropriate.<\/p>\n<\/blockquote>\n<p><!-- more --><\/p>\n<ul>\n<li>Zuul\u76f8\u5f53\u4e8e\u662f\u8bbe\u5907\u548c\u7f51\u7ad9\u5230Netflix\u6d41\u5e94\u7528\u7a0b\u5e8f\u540e\u7aef\u7684\u6240\u6709\u8bf7\u6c42\u7684\u524d\u95e8<\/li>\n<li>Zuul\u65e8\u5728\u5b9e\u73b0\u52a8\u6001\u8def\u7531\uff0c\u76d1\u63a7\uff0c\u5f39\u6027\u548c\u5b89\u5168\u6027\u7b49<\/li>\n<li>\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\u5e38\u57fa\u4e8eZuul\u5b9e\u73b0\u670d\u52a1\u7f51\u5173(API Gateway)\u670d\u52a1\u5668<\/li>\n<\/ul>\n<p>\u5728\u9879\u76ee\u5b9e\u8df5\u4e2d\uff0c\u4f7f\u7528jemeter\u591a\u7ebf\u7a0b\u5e76\u53d1\u8bbf\u95ee\u5fae\u670d\u52a1\u4e2d\u7684\u63a5\u53e3\u65f6\u5019\uff0c\u5728Zuul\u5c42\u51fa\u73b0\u5f02\u5e38\u3001\u8d85\u65f6\u7b49\uff0c\u4ece\u800c\u5bfc\u81f4\u6574\u4e2a\u8bf7\u6c42\u5931\u8d25\u3002\u7ecf\u8fc7\u5b9e\u8df5\uff0c\u901a\u8fc7\u8c03\u6574Zuul\u7684\u53c2\u6570\u3001\u8bbe\u8ba1\u9ad8\u53ef\u7528\u67b6\u6784\u7b49\u53ef\u63d0\u5347TPS\u3001QPS\u3002<\/p>\n<h2>Zuul\u53c2\u6570\u5256\u6790<\/h2>\n<h3>routes<\/h3>\n<p>zuul\u4e0b\u7684routes\u8282\u70b9\u53ef\u914d\u7f6e\u8def\u7531\u8f6c\u53d1\u89c4\u5219<\/p>\n<pre><code class=\"language-yml\">zuul\uff1a\n  routes\uff1a\n    echo\uff1a\n      path\uff1a\/myusers\/**\n      serviceId\uff1amyusers-service\n      stripPrefix\uff1atrue\nmyusers-service\uff1a\n  ribbon\uff1a#\u8d1f\u8f7d\n    NIWSServerListClassName\uff1acom.netflix.loadbalancer.ConfigurationBasedServerList\n    listOfServers\uff1ahttp\/\/example1.com, http\/\/example2.com\n    ConnectTimeout\uff1a1000 \n    ReadTimeout\uff1a3000 \n    MaxTotalHttpConnections\uff1a500 \n    MaxConnectionsPerHost\uff1a100<\/code><\/pre>\n<p>\u5982\u4e0a\u9762\u7684\u914d\u7f6e\uff0cHTTP\u8bf7\u6c42\u4e2d\u6ee1\u8db3<code>\/myusers\/**<\/code>\u89c4\u5219\u8f6c\u53d1\u5230<code>myuser-service<\/code>\u670d\u52a1\u3002\u7ed3\u5408ribbon\uff0c\u53ef\u652f\u6301<code>myusers-service<\/code>\u591a\u5b9e\u4f8b\u7684\u52a8\u6001\u8d1f\u8f7d\u3002\u5b9e\u9645\u9879\u76ee\u4e2d\u53ef\u96c6\u6210Eureka\u6216\u8005Consul\u7b49\u81ea\u52a8\u83b7\u53d6<code>listOfServers<\/code>(\u591a\u5b9e\u4f8b\u670d\u52a1hosts\u5217\u8868)\u3002<\/p>\n<h3>semaphore<\/h3>\n<p>\u5728Spring Cloud Zuul\u4e2d\u67092\u79cd\u5bf9\u8def\u7531\u7684\u9694\u79bb\u673a\u5236\uff0c\u5176\u9ed8\u8ba4\u7684\u662f\u4fe1\u53f7\u91cf\uff08semaphore\uff09\u5bf9\u8def\u7531\u505a\u9694\u79bb\uff0c\u9ed8\u8ba4\u503c\u662f100\uff0c\u5f53\u4e00\u4e2a\u8def\u7531\u8bf7\u6c42\u7684\u4fe1\u53f7\u91cf\u9ad8\u4e8e100\u5c31\u8fd4\u56de500\u3002<\/p>\n<pre><code class=\"language-yml\">zuul:\n  semaphore:\n    max-semaphores: 5000 #\u8bbe\u7f6e\u5168\u90e8\u8def\u7531\u6700\u5927\u4fe1\u53f7\u91cf\nroutes:\n  orchestration:\n    service-id: orchestration\n  resource-manager:\n    service-id: resource-manager\n    semaphore:\n      max-semaphores: 5000 #\u9488\u5bf9\u5355\u4e2a\u670d\u52a1\u7684\u8def\u7531\u8bbe\u7f6e\u6700\u5927\u4fe1\u53f7\u91cf<\/code><\/pre>\n<p>\u8bbe\u7f6e\u4fe1\u53f7\u91cf\uff0c\u53ef\u5728Zuul\u8282\u70b9\u4e0b\u5bf9\u6240\u6709\u8def\u7531\u7edf\u4e00\u8bbe\u7f6e\u4fe1\u53f7\u91cf\uff08semaphore\uff09\u5927\u5c0f\uff0c\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u63a8\u8350\u4e3a\u6bcf\u4e2a\u670d\u52a1\u8bbe\u7f6e\u4e0d\u540c\u7684\u4fe1\u53f7\u91cf\uff08semaphore\uff09\u3002<\/p>\n<h3>ribbon<\/h3>\n<p>Spring Cloud\u4e2dribbon\u63d0\u4f9b\u8d1f\u8f7d\u5747\u8861\u80fd\u529b\uff0c\u5b9e\u9645\u9879\u76ee\u4e2d\u540e\u7aef\u4e0d\u540c\u670d\u52a1\u90fd\u662f\u591a\u5b9e\u4f8b\uff0c\u56e0\u6b64\u4eceZuul\u8def\u7531\u5230\u67d0\u4e2a\u670d\u52a1\u4e5f\u9700\u8981\u652f\u6301\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n<pre><code class=\"language-yml\">zuul:\n  ribbon:\n    OkToRetryOnAllOperations:true     #\u5168\u90e8\u8bf7\u6c42\u5f00\u542f\u91cd\u8bd5\u673a\u5236\n    ReadTimeout: 6000                 #\u8bf7\u6c42\u5904\u7406\u8d85\u65f6\u65f6\u95f4\n    ConnectTimeout: 6000              #\u8bf7\u6c42\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\n    MaxTotalHttpConnections: 1000     #\u6700\u5927http\u8fde\u63a5\u6570\n    MaxConnectionsPerHost: 100        #\u6bcf\u4e2ahost\u6700\u5927\u8fde\u63a5\u6570\n    MaxAutoRetries: 10                #\u6700\u5927\u91cd\u8bd5\u6b21\u6570\n    MaxAutoRetriesNextServer: 10      #\u5207\u6362\u5b9e\u4f8b\u7684\u91cd\u8bd5\u6b21\u6570\neureka:\n  enabled: true<\/code><\/pre>\n<p>\u5728\u9ad8\u5e76\u53d1\u6216\u8005\u540e\u7aef\u670d\u52a1\u7531\u4e8e\u7f51\u7edc\u7b49\u539f\u56e0\uff0c\u5bfc\u81f4\u8bf7\u6c42\u67d0\u4e00\u77ac\u95f4\u53d1\u751f\u6545\u969c\uff0c\u4e5f\u8bb8\u540e\u7aef\u670d\u52a1\u53ea\u662f\u6682\u65f6\u4e0d\u53ef\u8fbe\u6216\u8005\u54cd\u5e94\u6bd4\u8f83\u6162\u3002\u901a\u8fc7\u8c03\u6574\u54cd\u5e94\u65f6\u95f4\u4ee5\u53ca\u91cd\u8bd5\u6b21\u6570\u63d0\u9ad8\u8bf7\u6c42\u6210\u529f\u7387\u3002<\/p>\n<h3>hystrix<\/h3>\n<p>hystrix(\u7194\u65ad)\uff0c\u5f53\u901a\u8fc7\u670d\u52a1\u7f51\u5173\uff08\u57fa\u4e8eZuul\u5b9e\u73b0\uff09\u8c03\u7528\u540e\u7aef\u670d\u52a1\u65f6\u5019\uff0c\u96be\u514d\u4f1a\u51fa\u73b0\u7f51\u7edc\u3001\u54cd\u5e94\u8d85\u65f6\u7b49\u60c5\u51b5\u3002\u901a\u8fc7hystrix\u53ef\u65ad\u6389\u4e0e\u540e\u7aef\u670d\u52a1\u7684\u8fde\u63a5\uff0c\u9632\u6b62\u62d6\u57ae\u7f51\u5173\u670d\u52a1\u5668\u3002\u4e5f\u53ef\u4ee5\u901a\u8fc7hystrix\u5b9e\u73b0\u670d\u52a1\u964d\u7ea7\uff0c\u5f53\u53d1\u751f\u5f02\u5e38\u65f6\u5019\uff0c\u901a\u8fc7fallback\u5904\u7406\u7194\u65ad\uff08\u6bd4\u5982\uff1a\u8fd4\u56de\u4e00\u4e9b\u7528\u6237\u80fd\u770b\u61c2\u7684\u9519\u8bef\u63d0\u793a\u7b49\uff09\u3002<\/p>\n<p>\u5173\u4e8ehystrix\u7684\u53c2\u6570\u5f88\u591a\uff0c\u8fd9\u91cc\u5217\u4e3e\u4e00\u4e9b\u5e38\u7528\u7684\u53c2\u6570<br \/>\n\u66f4\u591a\u53c2\u6570\uff0c\u9605\u8bfb\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/github.com\/Netflix\/Hystrix\/wiki\/Configuration\">https:\/\/github.com\/Netflix\/Hystrix\/wiki\/Configuration<\/a><\/p>\n<pre><code class=\"language-yml\">hystrix:\n  threadpool:\n    default:\n      coreSize: 1000   #\u7ebf\u7a0b\u6c60\u6570\u91cf\ncommand:\n  default:\n    execution:\n      isolation:\n        thread:\n          timeoutInMilliseconds: 60000  #\u53d1\u751f\u7194\u65ad\u7684\u8d85\u65f6\u65f6\u95f4\n        strategy: SEMAPHORE   #\u9694\u79bb\u7b56\u7565\n        semaphore:\n          max-semaphores: 2000 #\u4fe1\u53f7\u91cf\u5927\u5c0f<\/code><\/pre>\n<h2>\u9ad8\u5e76\u53d1\u4e0b\u5e38\u89c1Zuul\u5f02\u5e38<\/h2>\n<p>\u5728\u9ad8\u5e76\u53d1\u4e0b\uff0c\u9488\u5bf9\u4e0d\u540c\u7684\u7cfb\u7edf\u67b6\u6784\u3001\u4e1a\u52a1\u573a\u666f\u3002\u9700\u8981\u81ea\u5df1\u8c03\u6574Zuul\u5404\u7ec4\u4ef6\u53c2\u6570\u6765\u6ee1\u8db3\u6027\u80fd\u9700\u6c42\u3002\u6211\u4eec\u5728\u4f7f\u7528jemeter\u8fdb\u884c\u5e76\u53d1\u6d4b\u8bd5\uff0c\u53d1\u73b0Zuul\uff08\u670d\u52a1\u7f51\u5173\uff09\u5c42\u51fa\u73b0\u4e86\u4e00\u4e9b\u5f02\u5e38\u4fe1\u606f\uff0c\u89e3\u51b3\u4e86\u8fd9\u4e9b\u5f02\u5e38\u4fe1\u606f\uff0cQPS,TPS\u90fd\u63d0\u9ad8\u4e86\u4e0d\u5c11\u3002<\/p>\n<h3>\u65e0\u6cd5\u83b7\u53d6\u4fe1\u53f7\u91cf(semaphore\u5f02\u5e38\uff09<\/h3>\n<p>\u5f02\u5e38\u4fe1\u606f\uff1a\u65e0\u6cd5\u83b7\u53d6\u4fe1\u53f7\u91cf\uff0c\u7cfb\u7edf\u9ed8\u8ba4\u6bcf\u4e2a\u8def\u7531\u7684\u4fe1\u53f7\u91cf\u4e3a100\uff0c\u5f53\u540e\u7aef\u4e00\u4e2a\u5b9e\u4f8b\u4e14\u5e76\u53d1\u5927\u4e8e100\u5c31\u4f1a\u7ecf\u5e38\u51fa\u73b0\u8fd9\u4e2a\u5f02\u5e38\u4fe1\u606f<\/p>\n<pre><code>Caused by: com.netflix.hystrix.exception.HystrixRuntimeException: \n  xxxxxx could not acquire a semaphore for execution and no fallback available.<\/code><\/pre>\n<p>\u8c03\u4f18\u914d\u7f6e\uff1a<\/p>\n<pre><code class=\"language-yml\">zuul:\n  semaphore:\n    max-semaphores: 5000<\/code><\/pre>\n<p>\u53ef\u6839\u636e\u7cfb\u7edf\u9700\u8981\u652f\u6301\u7684\u5e76\u53d1\u6570\u9002\u5f53\u589e\u52a0\u4fe1\u53f7\u91cf\u7684\u5927\u5c0f<\/p>\n<h3>\u8d85\u65f6<\/h3>\n<p>\u5f02\u5e38\u4fe1\u606f\uff1a\u5f53\u5e76\u53d1\u8bbf\u95ee\u65f6\uff0c\u6709\u4e9b\u670d\u52a1\u6240\u5728\u4e3b\u673a\u54cd\u5e94\u53ef\u80fd\u4f1a\u6bd4\u8f83\u6162\uff0c\u6216\u8005\u67d0\u4e9b\u4e1a\u52a1\u672c\u8eab\u6bd4\u8f83\u8017\u65f6\uff08\u6bd4\u5982\u4e0a\u4f20\u4e00\u4e2a\u5927\u6587\u4ef6\u7684\u63a5\u53e3\uff09\u3002\u5982\u679c\u5728Zuul\u5c42\u8bbe\u7f6e\u7684\u8d85\u65f6\u65f6\u95f4\u5c0f\u4e8e\u8db3\u4e1a\u52a1\u7684\u8017\u65f6\uff0c\u4f1a\u5bfc\u81f4\u6b63\u5e38\u7684\u4e1a\u52a1\u8bf7\u6c42\u5931\u8d25\u3002<\/p>\n<p>\u8c03\u4f18\u914d\u7f6e\uff1a<\/p>\n<pre><code>ribbon:\n  ReadTimeout: 6000           #\u8bf7\u6c42\u5904\u7406\u8d85\u65f6\u65f6\u95f4\n  ConnectTimeout: 6000        #\u8bf7\u6c42\u8fde\u63a5\u65f6\u95f4<\/code><\/pre>\n<p>\u6839\u636e\u4e1a\u52a1\u53ef\u9002\u5f53\u8c03\u5927\u8d85\u65f6\u65f6\u95f4<\/p>\n<h3>\u7194\u65ad<\/h3>\n<p>\u5f02\u5e38\u4fe1\u606f\uff1a<\/p>\n<pre><code>short-circuited and no fallback available<\/code><\/pre>\n<p>\u5e76\u53d1\u8bbf\u95ee\u65f6\uff0c\u540e\u7aef\u67d0\u4e9b\u670d\u52a1\u53d1\u751f\u7194\u65ad<\/p>\n<p>\u8c03\u4f18\u914d\u7f6e\uff1a<\/p>\n<pre><code class=\"language-yml\">hystrix:\n  command:\n    default:\n      execution:\n        isolation:\n          thread:\n            timeoutInMilliseconds: 60000  #\u53d1\u751f\u7194\u65ad\u7684\u8d85\u65f6\u65f6\u95f4<\/code><\/pre>\n<p>\u8c03\u6574\u7194\u65ad\u8d85\u65f6\u65f6\u95f4\uff0c\u7194\u65ad\u65f6\u95f4\u592a\u77ed\uff0c\u4e9b\u8017\u65f6\u7684\u4e1a\u52a1\u90e8\u4e0d\u80fdwork\uff1b\u7194\u65ad\u65f6\u592a\u957f\uff0cZuul\u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u88ab\u62d6\u57ae\u3002\u6240\u4ee5\u6839\u636e\u5177\u4f53\u4e1a\u52a1\u627e\u5230\u4e00\u4e2a\u5408\u9002\u503c\u3002<\/p>\n<pre><code class=\"language-yml\">ribbon:\n  OkToRetryOnAllOperations: true    #\u5168\u90e8\u8bf7\u6c42\u5f00\u542f\u91cd\u8bd5\u673a\u5236\n  ReadTimeout: 6000                 #\u8bf7\u6c42\u5904\u7406\u8d85\u65f6\u65f6\u95f4\n  ConnectTimeout: 6000              #\u8bf7\u6c42\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\n  MaxAutoRetries: 10                #\u6700\u5927\u91cd\u8bd5\u6b21\u6570<\/code><\/pre>\n<p>\u8c03\u6574\u91cd\u8bd5\u6b21\u6570\uff0c\u5b9e\u9645\u9879\u76ee\u4e2d\u7531\u4e8e\u7f51\u7edc\u6216\u8005\u8d44\u6e90\u4e0d\u591f\uff0c\u5076\u5c14\u4f1a\u51fa\u73b0\u540e\u7aef\u670d\u52a1\u4e0d\u80fd\u8bbf\u95ee\uff0c\u4e00\u6b21\u8bbf\u95ee\u5931\u8d25\u4e0d\u80fd\u4ee3\u8868\u540e\u7aef\u670d\u52a1\u5c31\u6302\u4e86\u3002<br \/>\n\u56e0\u6b64\u5f00\u542f\u91cd\u8bd5\u673a\u5236\uff0c\u8c03\u6574\u91cd\u8bd5\u6b21\u6570\u3002\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\uff0c\u91cd\u8bd5\u51e0\u6b21\u90fd\u5931\u8d25\uff0c\u6211\u4eec\u624d\u8ba4\u4e3a\u540e\u7aef\u670d\u52a1\u6302\u4e86\u3002<\/p>\n<h2>Zuul\u9ad8\u53ef\u7528<\/h2>\n<p>\u6211\u4eec\u77e5\u9053\u65e0\u8bba\u5728Linux\u6216\u8005windows\u4e0b\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u652f\u6301\u7684\u5e76\u53d1\u6570\u662f\u6709\u9650\u5236\u7684\uff0c\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u670d\u52a1\u7f51\u5173\u4f5c\u4e3a\u5fae\u670d\u52a1\u67b6\u6784\u7684\u5165\u53e3\u81f3\u5173\u91cd\u8981\u3002Zuul\u7ed3\u5408\u670d\u52a1\u53d1\u73b0\u3001\u8d1f\u8f7d\u5747\u8861\u7b49\u542f\u52a8\u591a\u4e2a\u5b9e\u4f8b\u505a\u5230\u9ad8\u53ef\u7528\u3002<\/p>\n<p>\u542f\u52a8\u591a\u4e2aZuul\u5b9e\u4f8b\uff0c\u5728Zuul\u524d\u52a0\u4e00\u5c42\u8d1f\u8f7d\uff08\u5e38\u7528nginx\u505a\u8d1f\u8f7d\uff09\uff0c\u6bcf\u4e2a\u5b9e\u4f8b\u627f\u62c5\u4e00\u4e9b\u8bf7\u6c42\uff0c\u6574\u4f53\u652f\u6301\u9ad8\u5e76\u53d1\u80fd\u529b\u4e5f\u4f1a\u63d0\u9ad8\u5f88\u591a\u3002<\/p>\n<h2>Zuul\u7248\u672c &#8211; 1.x vs 2.x<\/h2>\n<p>\u622a\u6b62\u76ee\u524dZuul\u53d1\u5e03\u4e862\u4e2a\u7248\u672c\uff0c\u5728\u67b6\u6784\u548c\u5b9e\u73b0\u65b9\u5f0f\u4ee5\u53ca\u652f\u6301\u5e76\u53d1\u7684\u60c5\u51b5\u90fd\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h3>Zuul-1.x<\/h3>\n<p>Filter\u662fZuul\u7684\u6838\u5fc3\uff0c\u7528\u6765\u5b9e\u73b0\u5bf9\u5916\u670d\u52a1\u7684\u63a7\u5236\u3002Filter\u7684\u751f\u547d\u5468\u671f\u67094\u4e2a\uff0c\u5206\u522b\u662f<code>PRE<\/code>\u3001<code>ROUTING<\/code>\u3001<code>POST<\/code>\u3001<code>ERROR<\/code><\/p>\n<ul>\n<li><code>PRE<\/code>\uff1a\u8fc7\u6ee4\u5668\u5728\u8bf7\u6c42\u7ecf\u8fc7\u8def\u7531\u524d\u88ab\u8c03\u7528\u3002\u5229\u7528\u8fd9\u79cd\u8fc7\u6ee4\u5668\u53ef\u5b9e\u73b0\u8eab\u4efd\u9a8c\u8bc1\u3002<\/li>\n<li><code>ROUTING<\/code>\uff1a\u8fc7\u6ee4\u5668\u5c06\u8bf7\u6c42\u8def\u7531\u5230\u5fae\u670d\u52a1\u3002\u8fd9\u79cd\u8fc7\u6ee4\u5668\u7528\u4e8e\u6784\u5efa\u53d1\u9001\u7ed9\u540e\u7aef\u5fae\u670d\u52a1\u7684\u8bf7\u6c42\uff0c\u4f7f\u7528<br \/>\nApache HttpClient\u6216Netfilx Ribbon\u8bf7\u6c42\u5fae\u670d\u52a1\u3002<\/li>\n<li><code>POST<\/code>\uff1a\u8fc7\u6ee4\u5668\u5728\u8def\u7531\u5230\u5fae\u670d\u52a1\u4ee5\u540e\u6267\u884c\u3002\u8fd9\u79cd\u8fc7\u6ee4\u5668\u53ef\u4e3a\u54cd\u5e94\u6dfb\u52a0\u6807\u51c6\u7684HTTP Header\u3001\u6536\u96c6\u7edf\u8ba1\u4fe1\u606f\u548c\u6307\u6807\u3001\u5c06\u54cd\u5e94\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<li><code>ERROR<\/code>\uff1a\u5728\u5176\u4ed6\u9636\u6bb5\u53d1\u751f\u9519\u8bef\u65f6\u6267\u884c\u8be5\u8fc7\u6ee4\u5668<\/li>\n<\/ul>\n<h3>Zuul-2.x<\/h3>\n<p>2.x\u7684Zuul\u57fa\u4e8eNetty\u5904\u7406\u8bf7\u6c42\uff0cNetty\uff08\u9ad8\u6027\u80fd\u3001\u5f02\u6b65\u4e8b\u4ef6\u9a71\u52a8\u7684NIO\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u5bf9TCP\u3001UDP\u548c\u6587\u4ef6\u4f20\u8f93\u7684\u652f\u6301\uff0cNetty\u7684\u6240\u6709IO\u64cd\u4f5c\u90fd\u662f\u5f02\u6b65\u975e\u963b\u585e\u7684\uff09\u3002\u76f8\u5bf9\u4e8e1.x\u7248\u672c\uff0c\u5f88\u660e\u663e\u628a\u540c\u6b65\u6539\u6210\u4e86\u5f02\u6b65\uff0c\u628a\u963b\u585e\u6539\u6210\u4e86\u975e\u963b\u585e\u3002\u636e\u5b98\u65b9\u8fdb\u884c\u7684\u5e76\u53d1\u6d4b\u8bd5\uff0c2.x\u76f8\u6bd41.x\u6027\u80fd\u8fd8\u662f\u63d0\u5347\u4e86\u4e0d\u5c11\u3002\u4e0d\u8fc72.x\u76f8\u5bf91.x\u8981\u590d\u6742\u4e00\u4e9b\uff0c\u5982\u679c\u9700\u8981\u652f\u6301\u5f88\u9ad8\u7684QPS\u3001TPS\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4e0b2.x\u3002<\/p>\n<ul>\n<li>1.x \u540c\u6b65\u963b\u585e\uff0c\u7f16\u7a0b\u6a21\u578b\u7b80\u5355\uff0c\u793e\u533a\u6210\u719f\uff0c\u901a\u8fc7\u8c03\u6574\u53c2\u6570\u80fd\u6ee1\u8db3\u751f\u4ea7\u6027\u80fd\u9700\u6c42<\/li>\n<li>2.x \u5f02\u6b65\u975e\u963b\u585e\uff0c\u76f8\u5bf9\u7f16\u7a0b\u6a21\u578b\u590d\u6742\uff0c\u521a\u51fa\u6765\u4e5f\u8bb8\u8fd8\u6709\u4e9b\u5751(bug)\uff0c\u8ffd\u6c42\u66f4\u597d\u6027\u80fd\u53ef\u4ee5\u5c1d\u8bd5<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5f53\u9ad8\u5e76\u53d1\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1\u7f51\u5173\u670d\u52a1\u5668(Zuul)\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u63d0\u9ad8\u652f\u6301\u5e76\u53d1\u7684\u80fd\u529b\u3002<\/p>\n<p>1\u3001\u8c03\u6574Zuul\u7ec4\u4ef6\u53c2\u6570<br \/>\n2\u3001\u652f\u6301Zuul\u9ad8\u53ef\u7528\uff0c\u591a\u5b9e\u4f8b<br \/>\n3\u3001\u9009\u62e9\u5f02\u6b65\u3001\u975e\u963b\u585e\u7248\u672c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is Zuul? \u5b98\u65b9\u4ecb\u7ecd\uff1a Zuul is the front door for all requ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[250],"class_list":["post-1945","post","type-post","status-publish","format-standard","hentry","category-spring-cloud","tag-zuul"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1945","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1945"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1945\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}