{"id":419,"date":"2022-04-29T14:20:08","date_gmt":"2022-04-29T06:20:08","guid":{"rendered":"https:\/\/blog.lijiajia.top\/?p=419"},"modified":"2026-06-19T21:35:07","modified_gmt":"2026-06-19T13:35:07","slug":"springcloud%e7%ac%ac%e4%ba%8c%e5%ad%a3%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%9ahystrix%e6%96%ad%e8%b7%af%e5%99%a8%e5%8d%81","status":"publish","type":"post","link":"https:\/\/blog.ttwow.top\/?p=419","title":{"rendered":"SpringCloud\u7b2c\u4e8c\u5b63\u5b66\u4e60\u7b14\u8bb0\uff1aHystrix\u65ad\u8def\u5668(\u5341)"},"content":{"rendered":"

\u6982\u8ff0<\/h2>\n

\u5206\u5e03\u5f0f\u7cfb\u7edf\u9762\u4e34\u7684\u95ee\u9898<\/h3>\n

\u590d\u6742\u5206\u5e03\u5f0f\u4f53\u7cfb\u7ed3\u6784\u4e2d\u7684\u5e94\u7528\u7a0b\u5e8f\u6709\u6570\u5341\u4e2a\u4f9d\u8d56\u5173\u7cfb\uff0c\u6bcf\u4e2a\u4f9d\u8d56\u5173\u7cfb\u5728\u67d0\u4e9b\u65f6\u5019\u5c06\u4e0d\u53ef\u907f\u514d\u5730\u5931\u8d25\u3002<\/p>\n

\"file\"<\/div><\/p>\n

\u670d\u52a1\u96ea\u5d29
\n\u591a\u4e2a\u5fae\u670d\u52a1\u4e4b\u95f4\u8c03\u7528\u7684\u65f6\u5019\uff0c\u5047\u8bbe\u5fae\u670d\u52a1A\u8c03\u7528\u5fae\u670d\u52a1B\u548c\u5fae\u670d\u52a1C\uff0c\u5fae\u670d\u52a1B\u548c\u5fae\u670d\u52a1C\u53c8\u8c03\u7528\u5176\u5b83\u7684\u5fae\u670d\u52a1\uff0c\u8fd9\u5c31\u662f\u6240\u8c13\u7684\u201c\u6247\u51fa\u201d\u3002\u5982\u679c\u6247\u51fa\u7684\u94fe\u8def\u4e0a\u67d0\u4e2a\u5fae\u670d\u52a1\u7684\u8c03\u7528\u54cd\u5e94\u65f6\u95f4\u8fc7\u957f\u6216\u8005\u4e0d\u53ef\u7528\uff0c\u5bf9\u5fae\u670d\u52a1A\u7684\u8c03\u7528\u5c31\u4f1a\u5360\u7528\u8d8a\u6765\u8d8a\u591a\u7684\u7cfb\u7edf\u8d44\u6e90\uff0c\u8fdb\u800c\u5f15\u8d77\u7cfb\u7edf\u5d29\u6e83\uff0c\u6240\u8c13\u7684\u201c\u96ea\u5d29\u6548\u5e94\u201d.<\/p>\n

\u5bf9\u4e8e\u9ad8\u6d41\u91cf\u7684\u5e94\u7528\u6765\u8bf4\uff0c\u5355\u4e00\u7684\u540e\u7aef\u4f9d\u8d56\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6240\u6709\u670d\u52a1\u5668\u4e0a\u7684\u6240\u6709\u8d44\u6e90\u90fd\u5728\u51e0\u79d2\u949f\u5185\u9971\u548c\u3002\u6bd4\u5931\u8d25\u66f4\u7cdf\u7cd5\u7684\u662f\uff0c\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\u8fd8\u53ef\u80fd\u5bfc\u81f4\u670d\u52a1\u4e4b\u95f4\u7684\u5ef6\u8fdf\u589e\u52a0\uff0c\u5907\u4efd\u961f\u5217\uff0c\u7ebf\u7a0b\u548c\u5176\u4ed6\u7cfb\u7edf\u8d44\u6e90\u7d27\u5f20\uff0c\u5bfc\u81f4\u6574\u4e2a\u7cfb\u7edf\u53d1\u751f\u66f4\u591a\u7684\u7ea7\u8054\u6545\u969c\u3002\u8fd9\u4e9b\u90fd\u8868\u793a\u9700\u8981\u5bf9\u6545\u969c\u548c\u5ef6\u8fdf\u8fdb\u884c\u9694\u79bb\u548c\u7ba1\u7406\uff0c\u4ee5\u4fbf\u5355\u4e2a\u4f9d\u8d56\u5173\u7cfb\u7684\u5931\u8d25\uff0c\u4e0d\u80fd\u53d6\u6d88\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u6216\u7cfb\u7edf\u3002
\n\u6240\u4ee5\uff0c
\n\u901a\u5e38\u5f53\u4f60\u53d1\u73b0\u4e00\u4e2a\u6a21\u5757\u4e0b\u7684\u67d0\u4e2a\u5b9e\u4f8b\u5931\u8d25\u540e\uff0c\u8fd9\u65f6\u5019\u8fd9\u4e2a\u6a21\u5757\u4f9d\u7136\u8fd8\u4f1a\u63a5\u6536\u6d41\u91cf\uff0c\u7136\u540e\u8fd9\u4e2a\u6709\u95ee\u9898\u7684\u6a21\u5757\u8fd8\u8c03\u7528\u4e86\u5176\u4ed6\u7684\u6a21\u5757\uff0c\u8fd9\u6837\u5c31\u4f1a\u53d1\u751f\u7ea7\u8054\u6545\u969c\uff0c\u6216\u8005\u53eb\u96ea\u5d29\u3002<\/p>\n

\u662f\u4ec0\u4e48<\/h3>\n

Hystrix\u662f\u4e00\u4e2a\u7528\u4e8e\u5904\u7406\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u5ef6\u8fdf\u548c\u5bb9\u9519\u7684\u5f00\u6e90\u5e93\uff0c\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u91cc\uff0c\u8bb8\u591a\u4f9d\u8d56\u4e0d\u53ef\u907f\u514d\u7684\u4f1a\u8c03\u7528\u5931\u8d25\uff0c\u6bd4\u5982\u8d85\u65f6\u3001\u5f02\u5e38\u7b49\uff0cHystrix\u80fd\u591f\u4fdd\u8bc1\u5728\u4e00\u4e2a\u4f9d\u8d56\u51fa\u95ee\u9898\u7684\u60c5\u51b5\u4e0b\uff0c\u4e0d\u4f1a\u5bfc\u81f4\u6574\u4f53\u670d\u52a1\u5931\u8d25\uff0c\u907f\u514d\u7ea7\u8054\u6545\u969c\uff0c\u4ee5\u63d0\u9ad8\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u5f39\u6027\u3002<\/p>\n

\u201c\u65ad\u8def\u5668\u201d\u672c\u8eab\u662f\u4e00\u79cd\u5f00\u5173\u88c5\u7f6e\uff0c\u5f53\u67d0\u4e2a\u670d\u52a1\u5355\u5143\u53d1\u751f\u6545\u969c\u4e4b\u540e\uff0c\u901a\u8fc7\u65ad\u8def\u5668\u7684\u6545\u969c\u76d1\u63a7\uff08\u7c7b\u4f3c\u7194\u65ad\u4fdd\u9669\u4e1d\uff09\uff0c\u5411\u8c03\u7528\u65b9\u8fd4\u56de\u4e00\u4e2a\u7b26\u5408\u9884\u671f\u7684\u3001\u53ef\u5904\u7406\u7684\u5907\u9009\u54cd\u5e94\uff08FallBack\uff09\uff0c\u800c\u4e0d\u662f\u957f\u65f6\u95f4\u7684\u7b49\u5f85\u6216\u8005\u629b\u51fa\u8c03\u7528\u65b9\u65e0\u6cd5\u5904\u7406\u7684\u5f02\u5e38\uff0c\u8fd9\u6837\u5c31\u4fdd\u8bc1\u4e86\u670d\u52a1\u8c03\u7528\u65b9\u7684\u7ebf\u7a0b\u4e0d\u4f1a\u88ab\u957f\u65f6\u95f4\u3001\u4e0d\u5fc5\u8981\u5730\u5360\u7528\uff0c\u4ece\u800c\u907f\u514d\u4e86\u6545\u969c\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u8513\u5ef6\uff0c\u4e43\u81f3\u96ea\u5d29\u3002<\/p>\n

\u80fd\u5e72\u561b<\/h3>\n

\u670d\u52a1\u964d\u7ea7<\/p>\n

\u670d\u52a1\u7194\u65ad<\/p>\n

\u63a5\u8fd1\u5b9e\u65f6\u7684\u76d1\u63a7<\/p>\n

\u3002\u3002\u3002\u3002\u3002\u3002<\/p>\n

\u5b98\u7f51\u8d44\u6599<\/h3>\n

https:\/\/github.com\/Netflix\/Hystrix\/wiki\/How-To-Use<\/a><\/p>\n

Hystrix\u5b98\u5ba3\uff0c\u505c\u66f4\u8fdb\u7ef4<\/h3>\n

https:\/\/github.com\/Netflix\/Hystrix<\/a><\/p>\n

\u88ab\u52a8\u4fee\u590dbugs<\/p>\n

\u4e0d\u518d\u63a5\u53d7\u5408\u5e76\u8bf7\u6c42<\/p>\n

\u4e0d\u518d\u53d1\u5e03\u65b0\u7248\u672c<\/p>\n

Hystrix\u91cd\u8981\u6982\u5ff5<\/h2>\n

\u670d\u52a1\u964d\u7ea7<\/h3>\n

\u670d\u52a1\u5668\u5fd9\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\uff0c\u4e0d\u8ba9\u5ba2\u6237\u7aef\u7b49\u5f85\u5e76\u7acb\u523b\u8fd4\u56de\u4e00\u4e2a\u53cb\u597d\u63d0\u793a\uff0cfallback<\/p>\n

\u54ea\u4e9b\u60c5\u51b5\u4f1a\u51fa\u53d1\u964d\u7ea7<\/h4>\n

\u7a0b\u5e8f\u8fd0\u884c\u5f02\u5e38<\/p>\n

\u8d85\u65f6<\/p>\n

\u670d\u52a1\u7194\u65ad\u89e6\u53d1\u670d\u52a1\u964d\u7ea7<\/p>\n

\u7ebf\u7a0b\u6c60\/\u4fe1\u53f7\u91cf\u6253\u6ee1\u4e5f\u4f1a\u5bfc\u81f4\u670d\u52a1\u964d\u7ea7<\/p>\n

\u670d\u52a1\u7194\u65ad<\/h3>\n

\u7c7b\u6bd4\u4fdd\u9669\u4e1d\u8fbe\u5230\u6700\u5927\u670d\u52a1\u8bbf\u95ee\u540e\uff0c\u76f4\u63a5\u62d2\u7edd\u8bbf\u95ee\uff0c\u62c9\u95f8\u9650\u7535\uff0c\u7136\u540e\u8c03\u7528\u670d\u52a1\u964d\u7ea7\u7684\u65b9\u6cd5\u5e76\u8fd4\u56de\u53cb\u597d\u63d0\u793a<\/p>\n

\u5c31\u662f\u4fdd\u9669\u4e1d\uff1a\u670d\u52a1\u7684\u964d\u7ea7->\u8fdb\u800c\u7194\u65ad->\u6062\u590d\u8c03\u7528\u94fe\u8def<\/p>\n

\u670d\u52a1\u9650\u6d41<\/h3>\n

\u79d2\u6740\u9ad8\u5e76\u53d1\u7b49\u64cd\u4f5c\uff0c\u4e25\u7981\u4e00\u7a9d\u8702\u7684\u8fc7\u6765\u62e5\u6324\uff0c\u5927\u5bb6\u6392\u961f\uff0c\u4e00\u79d2\u949fN\u4e2a\uff0c\u6709\u5e8f\u8fdb\u884c<\/p>\n

hystrix\u6848\u4f8b<\/h2>\n

\u6784\u5efa<\/h3>\n

\u65b0\u5efacloud-provider-hystrix-payment8001<\/h4>\n

POM<\/h4>\n
<dependencies>\n        <!--hystrix-->\n        <dependency>\n            <groupId>org.springframework.cloud<\/groupId>\n            <artifactId>spring-cloud-starter-netflix-hystrix<\/artifactId>\n        <\/dependency>\n        <!--eureka client-->\n        <dependency>\n            <groupId>org.springframework.cloud<\/groupId>\n            <artifactId>spring-cloud-starter-netflix-eureka-client<\/artifactId>\n        <\/dependency>\n        <!--web-->\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-web<\/artifactId>\n        <\/dependency>\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-actuator<\/artifactId>\n        <\/dependency>\n        <dependency><!-- \u5f15\u5165\u81ea\u5df1\u5b9a\u4e49\u7684api\u901a\u7528\u5305\uff0c\u53ef\u4ee5\u4f7f\u7528Payment\u652f\u4ed8Entity -->\n            <groupId>com.springcloud<\/groupId>\n            <artifactId>cloud-api-commons<\/artifactId>\n            <version>${project.version}<\/version>\n        <\/dependency>\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-devtools<\/artifactId>\n            <scope>runtime<\/scope>\n            <optional>true<\/optional>\n        <\/dependency>\n        <dependency>\n            <groupId>org.projectlombok<\/groupId>\n            <artifactId>lombok<\/artifactId>\n            <optional>true<\/optional>\n        <\/dependency>\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-test<\/artifactId>\n            <scope>test<\/scope>\n        <\/dependency>\n    <\/dependencies><\/code><\/pre>\n
YML<\/h4>\n
server:\n  port: 8001\n\nspring:\n  application:\n    name: cloud-provider-hystrix-payment\n\neureka:\n  client:\n    register-with-eureka: true\n    fetch-registry: true\n    service-url:\n      #defaultZone: http:\/\/eureka7001.com:7001\/eureka,http:\/\/eureka7002.com:7002\/eureka\n      defaultZone: http:\/\/eureka7001.com:7001\/eureka<\/code><\/pre>\n
\u4e3b\u542f\u52a8<\/h4>\n
@SpringBootApplication\n@EnableEurekaClient \/\/\u672c\u670d\u52a1\u542f\u52a8\u540e\u4f1a\u81ea\u52a8\u6ce8\u518c\u8fdbeureka\u670d\u52a1\u4e2d\npublic class PaymentHystrixMain8001\n{\n    public static void main(String[] args)\n    {\n        SpringApplication.run(PaymentHystrixMain8001.class,args);\n    }\n}<\/code><\/pre>\n
\u4e1a\u52a1\u7c7b<\/h4>\n
@Service\npublic class PaymentService\n{\n    \/**\n     * \u6b63\u5e38\u8bbf\u95ee\uff0c\u4e00\u5207OK\n     * @param id\n     * @return\n     *\/\n    public String paymentInfo_OK(Integer id)\n    {\n        return "\u7ebf\u7a0b\u6c60:"+Thread.currentThread().getName()+"paymentInfo_OK,id: "+id+"\\t"+"O(\u2229_\u2229)O";\n    }\n\n    \/**\n     * \u8d85\u65f6\u8bbf\u95ee\uff0c\u6f14\u793a\u964d\u7ea7\n     * @param id\n     * @return\n     *\/\n    public String paymentInfo_TimeOut(Integer id)\n    {\n        try { TimeUnit.SECONDS.sleep(3); } catch (InterruptedException e) { e.printStackTrace(); }\n        return "\u7ebf\u7a0b\u6c60:"+Thread.currentThread().getName()+"paymentInfo_TimeOut,id: "+id+"\\t"+"O(\u2229_\u2229)O\uff0c\u8017\u8d393\u79d2";\n    }\n}<\/code><\/pre>\n
\u6b63\u5e38\u6d4b\u8bd5<\/h4>\n
\u542f\u52a8eureka7001<\/p>\n
\u542f\u52a8cloud-provider-hystrix-payment8001<\/p>\n
\u8bbf\u95ee\uff1a<\/p>\n
\u200b   success\u7684\u65b9\u6cd5\uff1ahttp:\/\/localhost:8001\/payment\/hystrix\/ok\/31<\/a><\/p>\n
\u200b   \u6bcf\u6b21\u8c03\u7528\u8017\u8d395\u79d2\u949f\uff1ahttp:\/\/localhost:8001\/payment\/hystrix\/timeout\/31<\/a><\/p>\n
\u4e0a\u8ff0module\u5747OK\uff1a\u4ee5\u4e0a\u8ff0\u4e3a\u6839\u57fa\u5e73\u53f0\uff0c\u4ece\u6b63\u786e->\u9519\u8bef->\u964d\u7ea7\u7194\u65ad->\u6062\u590d<\/p>\n
\u9ad8\u5e76\u53d1\u6d4b\u8bd5<\/h3>\n
\u4e0a\u8ff0\u5728\u975e\u9ad8\u5e76\u53d1\u60c5\u5f62\u4e0b\uff0c\u8fd8\u80fd\u52c9\u5f3a\u6ee1\u8db3   but......<\/p>\n
Jmeter\u538b\u6d4b\u6d4b\u8bd5<\/h4>\n
\u5f00\u542fJmeter\uff0c\u676520000\u4e2a\u5e76\u53d1\u538b\u6b7b8001\uff0c20000\u4e2a\u8bf7\u6c42\u90fd\u53bb\u8bbf\u95eepaymentInfo_TimeOut\u670d\u52a1<\/p>\n
\u518d\u6765\u4e00\u4e2a\u8bbf\u95ee:http:\/\/localhost:8001\/payment\/hystrix\/ok\/31<\/a><\/p>\n
\u770b\u6f14\u793a\u7ed3\u679c:<\/p>\n
\u200b   \u4e24\u4e2a\u90fd\u5728\u81ea\u5df1\u8f6c\u5708\u5708<\/p>\n
\u200b   \u4e3a\u4ec0\u4e48\u4f1a\u88ab\u5361\u6b7b:tomcat\u7684\u9ed8\u8ba4\u7684\u5de5\u4f5c\u7ebf\u7a0b\u6570\u88ab\u6253\u6ee1 \u4e86\uff0c\u6ca1\u6709\u591a\u4f59\u7684\u7ebf\u7a0b\u6765\u5206\u89e3\u538b\u529b\u548c\u5904\u7406\u3002<\/p>\n
Jmeter\u538b\u6d4b\u7ed3\u8bba<\/h4>\n
\u4e0a\u9762\u8fd8\u662f\u670d\u52a1\u63d0\u4f9b\u80058001\u81ea\u5df1\u6d4b\u8bd5\uff0c\u5047\u5982\u6b64\u65f6\u5916\u90e8\u7684\u6d88\u8d39\u800580\u4e5f\u6765\u8bbf\u95ee\uff0c
\n\u90a3\u6d88\u8d39\u8005\u53ea\u80fd\u5e72\u7b49\uff0c\u6700\u7ec8\u5bfc\u81f4\u6d88\u8d39\u7aef80\u4e0d\u6ee1\u610f\uff0c\u670d\u52a1\u7aef8001\u76f4\u63a5\u88ab\u62d6\u6b7b<\/p>\n
\u770b\u70ed\u95f9\u4e0d\u5acc\u5f03\u4e8b\u5927\uff0c80\u65b0\u5efa\u52a0\u5165<\/h4>\n
\u65b0\u5efacloud-consumer-feign-hystrix-order80<\/p>\n
POM<\/p>\n
<dependencies>\n        <!--openfeign-->\n        <dependency>\n            <groupId>org.springframework.cloud<\/groupId>\n            <artifactId>spring-cloud-starter-openfeign<\/artifactId>\n        <\/dependency>\n        <!--hystrix-->\n        <dependency>\n            <groupId>org.springframework.cloud<\/groupId>\n            <artifactId>spring-cloud-starter-netflix-hystrix<\/artifactId>\n        <\/dependency>\n        <!--eureka client-->\n        <dependency>\n            <groupId>org.springframework.cloud<\/groupId>\n            <artifactId>spring-cloud-starter-netflix-eureka-client<\/artifactId>\n        <\/dependency>\n        <!-- \u5f15\u5165\u81ea\u5df1\u5b9a\u4e49\u7684api\u901a\u7528\u5305\uff0c\u53ef\u4ee5\u4f7f\u7528Payment\u652f\u4ed8Entity -->\n        <dependency>\n            <groupId>com.springcloud<\/groupId>\n            <artifactId>cloud-api-commons<\/artifactId>\n            <version>${project.version}<\/version>\n        <\/dependency>\n        <!--web-->\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-web<\/artifactId>\n        <\/dependency>\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-actuator<\/artifactId>\n        <\/dependency>\n        <!--\u4e00\u822c\u57fa\u7840\u901a\u7528\u914d\u7f6e-->\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-devtools<\/artifactId>\n            <scope>runtime<\/scope>\n            <optional>true<\/optional>\n        <\/dependency>\n        <dependency>\n            <groupId>org.projectlombok<\/groupId>\n            <artifactId>lombok<\/artifactId>\n            <optional>true<\/optional>\n        <\/dependency>\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-test<\/artifactId>\n            <scope>test<\/scope>\n        <\/dependency>\n    <\/dependencies><\/code><\/pre>\n
YML<\/p>\n
server:\n  port: 80\n\neureka:\n  client:\n    register-with-eureka: false\n    service-url:\n      defaultZone: http:\/\/eureka7001.com:7001\/eureka\/<\/code><\/pre>\n
\u4e3b\u542f\u52a8<\/p>\n
@SpringBootApplication\n@EnableFeignClients\npublic class OrderHystrixMain80\n{\n    public static void main(String[] args)\n    {\n        SpringApplication.run(OrderHystrixMain80.class,args);\n    }\n}<\/code><\/pre>\n
\u4e1a\u52a1\u7c7b<\/p>\n
@Component\n@FeignClient(value = "CLOUD-PROVIDER-HYSTRIX-PAYMENT")\npublic interface PaymentHystrixService\n{\n    @GetMapping("\/payment\/hystrix\/ok\/{id}")\n    String paymentInfo_OK(@PathVariable("id") Integer id);\n\n    @GetMapping("\/payment\/hystrix\/timeout\/{id}")\n    String paymentInfo_TimeOut(@PathVariable("id") Integer id);\n}<\/code><\/pre>\n
@RestController\n@Slf4j\npublic class OrderHystirxController\n{\n    @Resource\n    private PaymentHystrixService paymentHystrixService;\n\n    @GetMapping("\/consumer\/payment\/hystrix\/ok\/{id}")\n    public String paymentInfo_OK(@PathVariable("id") Integer id)\n    {\n        String result = paymentHystrixService.paymentInfo_OK(id);\n        return result;\n    }\n\n    @GetMapping("\/consumer\/payment\/hystrix\/timeout\/{id}")\n    public String paymentInfo_TimeOut(@PathVariable("id") Integer id)\n    {\n        String result = paymentHystrixService.paymentInfo_TimeOut(id);\n        return result;\n    }\n}<\/code><\/pre>\n
\u6b63\u5e38\u6d4b\u8bd5\uff1ahttp:\/\/localhost\/consumer\/payment\/hystrix\/ok\/31<\/a><\/p>\n
\u9ad8\u5e76\u53d1\u6d4b\u8bd5\uff1a<\/p>\n
\u200b   2W\u4e2a\u7ebf\u7a0b\u538b8001<\/p>\n
\u200b   \u6d88\u8d39\u7aef80\u5fae\u670d\u52a1\u518d\u53bb\u8bbf\u95ee\u6b63\u5e38\u7684Ok\u5fae\u670d\u52a18001\u5730\u5740<\/p>\n
\u200b   http:\/\/localhost\/consumer\/payment\/hystrix\/ok\/32<\/a><\/p>\n
\u200b   \u6d88\u8d39\u800580\uff0co(\u2565\ufe4f\u2565)o\uff1a\u8981\u4e48\u8f6c\u5708\u5708\u7b49\u5f85\uff0c\u8981\u4e48\u6d88\u8d39\u7aef\u62a5\u8d85\u65f6\u9519\u8bef<\/p>\n
\u6545\u969c\u73b0\u8c61\u548c\u5bfc\u81f4\u539f\u56e0<\/h3>\n
8001\u540c\u4e00\u5c42\u6b21\u7684\u5176\u5b83\u63a5\u53e3\u670d\u52a1\u88ab\u56f0\u6b7b\uff0c\u56e0\u4e3atomcat\u7ebf\u7a0b\u6c60\u91cc\u9762\u7684\u5de5\u4f5c\u7ebf\u7a0b\u5df2\u7ecf\u88ab\u6324\u5360\u5b8c\u6bd5<\/p>\n
80\u6b64\u65f6\u8c03\u75288001\uff0c\u5ba2\u6237\u7aef\u8bbf\u95ee\u54cd\u5e94\u7f13\u6162\uff0c\u8f6c\u5708\u5708<\/p>\n
\u4e0a\u8bc9\u7ed3\u8bba<\/h3>\n
\u6b63\u56e0\u4e3a\u6709\u4e0a\u8ff0\u6545\u969c\u6216\u4e0d\u4f73\u8868\u73b0
\n\u624d\u6709\u6211\u4eec\u7684\u964d\u7ea7\/\u5bb9\u9519\/\u9650\u6d41\u7b49\u6280\u672f\u8bde\u751f<\/p>\n
\u5982\u4f55\u89e3\u51b3\uff1f\u89e3\u51b3\u7684\u8981\u6c42<\/h3>\n
\u8d85\u65f6\u5bfc\u81f4\u670d\u52a1\u5668\u53d8\u6162(\u8f6c\u5708):\u8d85\u65f6\u4e0d\u518d\u7b49\u5f85<\/p>\n
\u51fa\u9519(\u5b95\u673a\u6216\u7a0b\u5e8f\u8fd0\u884c\u51fa\u9519):\u51fa\u9519\u8981\u6709\u515c\u5e95<\/p>\n
\u89e3\u51b3:<\/p>\n
\u5bf9\u65b9\u670d\u52a1(8001)\u8d85\u65f6\u4e86\uff0c\u8c03\u7528\u8005(80)\u4e0d\u80fd\u4e00\u76f4\u5361\u6b7b\u7b49\u5f85\uff0c\u5fc5\u987b\u6709\u670d\u52a1\u964d\u7ea7<\/p>\n
\u5bf9\u65b9\u670d\u52a1(8001)down\u673a\u4e86\uff0c\u8c03\u7528\u8005(80)\u4e0d\u80fd\u4e00\u76f4\u5361\u6b7b\u7b49\u5f85\uff0c\u5fc5\u987b\u6709\u670d\u52a1\u964d\u7ea7<\/p>\n
\u5bf9\u65b9\u670d\u52a1(8001)OK\uff0c\u8c03\u7528\u8005(80)\u81ea\u5df1\u51fa\u6545\u969c\u6216\u6709\u81ea\u6211\u8981\u6c42\uff08\u81ea\u5df1\u7684\u7b49\u5f85\u65f6\u95f4\u5c0f\u4e8e\u670d\u52a1\u63d0\u4f9b\u8005\uff09\uff0c\u81ea\u5df1\u5904\u7406\u964d\u7ea7<\/p>\n
\u670d\u52a1\u964d\u7ea7<\/h3>\n
\u964d\u7ea7\u914d\u7f6e:@HystrixCommand<\/p>\n
8001\u5148\u4ece\u81ea\u8eab\u627e\u95ee\u9898:<\/p>\n
\u8bbe\u7f6e\u81ea\u8eab\u8c03\u7528\u8d85\u65f6\u65f6\u95f4\u7684\u5cf0\u503c\uff0c\u5cf0\u503c\u5185\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\uff0c\u8d85\u8fc7\u4e86\u9700\u8981\u6709\u515c\u5e95\u7684\u65b9\u6cd5\u5904\u7406\uff0c\u4f5c\u670d\u52a1\u964d\u7ea7fallback<\/p>\n
8001fallback:<\/h4>\n
\u4e1a\u52a1\u7c7b\u542f\u7528<\/p>\n
    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler",commandProperties = {\n            @HystrixProperty(name="execution.isolation.thread.timeoutInMilliseconds",value="3000")\n    })\n    public String paymentInfo_TimeOut(Integer id)\n    {\n        int second = 5;\n        try { TimeUnit.SECONDS.sleep(second); } catch (InterruptedException e) { e.printStackTrace(); }\n        return "\u7ebf\u7a0b\u6c60:"+Thread.currentThread().getName()+"paymentInfo_TimeOut,id: "+id+"\\t"+"O(\u2229_\u2229)O\uff0c\u8017\u8d39\u79d2: "+second;\n    }\n    public String paymentInfo_TimeOutHandler(Integer id){\n        return "\/(\u3112o\u3112)\/\u8c03\u7528\u652f\u4ed8\u63a5\u53e3\u8d85\u65f6\u6216\u5f02\u5e38\uff1a\\t"+ "\\t\u5f53\u524d\u7ebf\u7a0b\u6c60\u540d\u5b57" + Thread.currentThread().getName();\n    }<\/code><\/pre>\n
@HystrixCommand\u62a5\u5f02\u5e38\u540e\u5982\u4f55\u5904\u7406:<\/p>\n
\u4e00\u65e6\u8c03\u7528\u670d\u52a1\u65b9\u6cd5\u5931\u8d25\u5e76\u629b\u51fa\u4e86\u9519\u8bef\u4fe1\u606f\u540e\uff0c
\n\u4f1a\u81ea\u52a8\u8c03\u7528@HystrixCommand\u6807\u6ce8\u597d\u7684
\nfallbackMethod\u8c03\u7528\u7c7b\u4e2d\u7684\u6307\u5b9a\u65b9\u6cd5<\/p>\n
\u4e0a\u56fe\u6545\u610f\u5236\u9020\u4e24\u4e2a\u5f02\u5e38\uff1a
\n1  int age = 10\/0; \u8ba1\u7b97\u5f02\u5e38
\n2  \u6211\u4eec\u80fd\u63a5\u53d73\u79d2\u949f\uff0c\u5b83\u8fd0\u884c5\u79d2\u949f\uff0c\u8d85\u65f6\u5f02\u5e38\u3002<\/p>\n
\u5f53\u524d\u670d\u52a1\u4e0d\u53ef\u7528\u4e86\uff0c\u505a\u670d\u52a1\u964d\u7ea7\uff0c\u515c\u5e95\u7684\u65b9\u6848\u90fd\u662fpaymentInfo_TimeOutHandler<\/p>\n
\u4e3b\u542f\u52a8\u7c7b\u6fc0\u6d3b:\u6dfb\u52a0\u65b0\u6ce8\u89e3@EnableCircuitBreaker<\/p>\n
80fallback<\/h4>\n
80\u8ba2\u5355\u5fae\u670d\u52a1\uff0c\u4e5f\u53ef\u4ee5\u66f4\u597d\u7684\u4fdd\u62a4\u81ea\u5df1\uff0c\u81ea\u5df1\u4e5f\u4f9d\u6837\u753b\u846b\u82a6\u8fdb\u884c\u5ba2\u6237\u7aef\u964d\u7ea7\u4fdd\u62a4<\/p>\n
\u9898\u5916\u8bdd\uff0c\u5207\u8bb0:<\/p>\n
\u6211\u4eec\u81ea\u5df1\u914d\u7f6e\u8fc7\u7684\u70ed\u90e8\u7f72\u65b9\u5f0f\u5bf9java\u4ee3\u7801\u7684\u6539\u52a8\u660e\u663e\uff0c
\n\u4f46\u5bf9@HystrixCommand\u5185\u5c5e\u6027\u7684\u4fee\u6539\u5efa\u8bae\u91cd\u542f\u5fae\u670d\u52a1<\/p>\n
YML<\/p>\n
feign:\n  hystrix:\n    enabled: true<\/code><\/pre>\n
\u4e3b\u542f\u52a8<\/p>\n
@SpringBootApplication\n@EnableFeignClients\n@EnableHystrix\npublic class OrderHystrixMain80\n{\n    public static void main(String[] args)\n    {\n        SpringApplication.run(OrderHystrixMain80.class,args);\n    }\n}<\/code><\/pre>\n
\u4e1a\u52a1\u7c7b<\/p>\n
    @GetMapping("\/consumer\/payment\/hystrix\/timeout\/{id}")\n    @HystrixCommand(fallbackMethod = "paymentTimeOutFallbackMethod",commandProperties = {\n            @HystrixProperty(name="execution.isolation.thread.timeoutInMilliseconds",value="1500")\n    })\n    public String paymentInfo_TimeOut(@PathVariable("id") Integer id)\n    {\n        String result = paymentHystrixService.paymentInfo_TimeOut(id);\n        return result;\n    }\n    public String paymentTimeOutFallbackMethod(@PathVariable("id") Integer id)\n    {\n        return "\u6211\u662f\u6d88\u8d39\u800580,\u5bf9\u65b9\u652f\u4ed8\u7cfb\u7edf\u7e41\u5fd9\u8bf710\u79d2\u949f\u540e\u518d\u8bd5\u6216\u8005\u81ea\u5df1\u8fd0\u884c\u51fa\u9519\u8bf7\u68c0\u67e5\u81ea\u5df1,o(\u2565\ufe4f\u2565)o";\n    }<\/code><\/pre>\n
\u76ee\u524d\u95ee\u9898<\/h4>\n
\u6bcf\u4e2a\u4e1a\u52a1\u65b9\u6cd5\u5bf9\u5e94\u4e00\u4e2a\u515c\u5e95\u7684\u65b9\u6cd5\uff0c\u4ee3\u7801\u81a8\u80c0<\/p>\n
\u7edf\u4e00\u548c\u81ea\u5b9a\u4e49\u7684\u5206\u5f00<\/p>\n
\u89e3\u51b3\u95ee\u9898<\/h4>\n
\u6bcf\u4e2a\u65b9\u6cd5\u914d\u7f6e\u4e00\u4e2a\uff1f\uff1f\uff1f\u81a8\u80c0:<\/h5>\n
feign\u63a5\u53e3\u7cfb\u5217<\/p>\n
@DefaultProperties(defaultFallback = "")<\/p>\n
1\uff1a1 \u6bcf\u4e2a\u65b9\u6cd5\u914d\u7f6e\u4e00\u4e2a\u670d\u52a1\u964d\u7ea7\u65b9\u6cd5\uff0c\u6280\u672f\u4e0a\u53ef\u4ee5\uff0c\u5b9e\u9645\u4e0a\u50bb<\/p>\n
1\uff1aN \u9664\u4e86\u4e2a\u522b\u91cd\u8981\u6838\u5fc3\u4e1a\u52a1\u6709\u4e13\u5c5e\uff0c\u5176\u5b83\u666e\u901a\u7684\u53ef\u4ee5\u901a\u8fc7@DefaultProperties(defaultFallback = "")  \u7edf\u4e00\u8df3\u8f6c\u5230\u7edf\u4e00\u5904\u7406\u7ed3\u679c\u9875\u9762<\/p>\n
\u901a\u7528\u7684\u548c\u72ec\u4eab\u7684\u5404\u81ea\u5206\u5f00\uff0c\u907f\u514d\u4e86\u4ee3\u7801\u81a8\u80c0\uff0c\u5408\u7406\u51cf\u5c11\u4e86\u4ee3\u7801\u91cf\uff0cO(\u2229_\u2229)O\u54c8\u54c8~ <\/p>\n
controller\u914d\u7f6e<\/p>\n
@RestController\n@Slf4j\n@DefaultProperties(defaultFallback = "payment_Global_FallbackMethod")\npublic class PaymentHystirxController\n{\n    @Resource\n    private PaymentHystrixService paymentHystrixService;\n\n    @GetMapping("\/consumer\/payment\/hystrix\/ok\/{id}")\n    public String paymentInfo_OK(@PathVariable("id") Integer id)\n    {\n        String result = paymentHystrixService.paymentInfo_OK(id);\n        return result;\n    }\n\n    @GetMapping("\/consumer\/payment\/hystrix\/timeout\/{id}")\n    @HystrixCommand \/\/\u52a0\u4e86@DefaultProperties\u5c5e\u6027\u6ce8\u89e3\uff0c\u5e76\u4e14\u6ca1\u6709\u5199\u5177\u4f53\u65b9\u6cd5\u540d\u5b57\uff0c\u5c31\u7528\u7edf\u4e00\u5168\u5c40\u7684\n    public String paymentInfo_TimeOut(@PathVariable("id") Integer id)\n    {\n        String result = paymentHystrixService.paymentInfo_TimeOut(id);\n        return result;\n    }\n    public String paymentTimeOutFallbackMethod(@PathVariable("id") Integer id)\n    {\n        return "paymentTimeOutFallbackMethod,\u5bf9\u65b9\u7cfb\u7edf\u7e41\u5fd9\uff0c\u8bf710\u79d2\u949f\u540e\u518d\u6b21\u5c1d\u8bd5\/(\u3112o\u3112)\/";\n    }\n\n    public String payment_Global_FallbackMethod()\n    {\n        return "Global\u5f02\u5e38\u5904\u7406\u4fe1\u606f\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\uff0c\/(\u3112o\u3112)\/~~";\n    }<\/code><\/pre>\n
\u548c\u4e1a\u52a1\u903b\u8f91\u6df7\u4e00\u8d77\uff1f\uff1f\uff1f\u6df7\u4e71<\/h5>\n
\u670d\u52a1\u964d\u7ea7\uff0c\u5ba2\u6237\u7aef\u53bb\u8c03\u7528\u670d\u52a1\u7aef\uff0c\u78b0\u4e0a\u670d\u52a1\u7aef\u5b95\u673a\u6216\u5173\u95ed<\/p>\n
\u672c\u6b21\u6848\u4f8b\u670d\u52a1\u964d\u7ea7\u5904\u7406\u662f\u5728\u5ba2\u6237\u7aef80\u5b9e\u73b0\u5b8c\u6210\u7684\uff0c\u4e0e\u670d\u52a1\u7aef8001\u6ca1\u6709\u5173\u7cfb
\n\u53ea\u9700\u8981\u4e3aFeign\u5ba2\u6237\u7aef\u5b9a\u4e49\u7684\u63a5\u53e3\u6dfb\u52a0\u4e00\u4e2a\u670d\u52a1\u964d\u7ea7\u5904\u7406\u7684\u5b9e\u73b0\u7c7b\u5373\u53ef\u5b9e\u73b0\u89e3\u8026<\/p>\n
\u672a\u6765\u6211\u4eec\u8981\u9762\u5bf9\u7684\u5f02\u5e38:<\/p>\n
\u8fd0\u884c<\/p>\n
\u8d85\u65f6<\/p>\n
\u5b95\u673a<\/p>\n
\u518d\u770b\u6211\u4eec\u7684\u4e1a\u52a1\u7c7bPaymentController<\/p>\n
\u4ee3\u7801\u5197\u4f59\uff0c\u6bcf\u4e2a\u65b9\u6cd5\u90fd\u6709\u4e00\u4e2afallback\u65b9\u6cd5\uff0c\u9700\u8981\u7edf\u4e00\u8d77\u6765<\/p>\n
\u4fee\u6539cloud-consumer-feign-hystrix-order80<\/p>\n
\u6839\u636ecloud-consumer-feign-hystrix-order80\u5df2\u7ecf\u6709\u7684PaymentHystrixService\u63a5\u53e3\uff0c
\n\u91cd\u65b0\u65b0\u5efa\u4e00\u4e2a\u7c7b(PaymentFallbackService)\u5b9e\u73b0\u8be5\u63a5\u53e3\uff0c\u7edf\u4e00\u4e3a\u63a5\u53e3\u91cc\u9762\u7684\u65b9\u6cd5\u8fdb\u884c\u5f02\u5e38\u5904\u7406<\/p>\n
PaymentFallbackService\u7c7b\u5b9e\u73b0PaymentFeignClientService\u63a5\u53e3<\/p>\n
@Component \/\/\u5fc5\u987b\u52a0 \/\/\u5fc5\u987b\u52a0 \/\/\u5fc5\u987b\u52a0\npublic class PaymentFallbackService implements PaymentHystrixService\n{\n\/\/    @Override\n\/\/    public String getPaymentInfo(Integer id)\n\/\/    {\n\/\/        return "\u670d\u52a1\u8c03\u7528\u5931\u8d25\uff0c\u63d0\u793a\u6765\u81ea\uff1acloud-consumer-feign-order80";\n\/\/    }\n\n    @Override\n    public String paymentInfo_OK(Integer id) {\n        return "---PaymentFallbackService---paymentInfo_OK---fallback()";\n    }\n\n    @Override\n    public String paymentInfo_TimeOut(Integer id) {\n        return "---PaymentFallbackService---paymentInfo_TimeOut---fallback()";\n    }\n}<\/code><\/pre>\n
YML<\/p>\n
# \u7528\u4e8e\u670d\u52a1\u964d\u7ea7 \u5728\u6ce8\u89e3@FeignClient\u4e2d\u6dfb\u52a0fallbackFactory\u5c5e\u6027\u503c\nfeign:\n  hystrix:\n    enabled: true #\u5728Feign\u4e2d\u5f00\u542fHystrix<\/code><\/pre>\n
PaymentHystrixService\u63a5\u53e3,\u6dfb\u52a0fallback = PaymentFallbackService.class<\/p>\n
@Component\n@FeignClient(value = "CLOUD-PROVIDER-HYSTRIX-PAYMENT",fallback = PaymentFallbackService.class)\npublic interface PaymentHystrixService\n{\n    @GetMapping("\/payment\/hystrix\/ok\/{id}")\n    String paymentInfo_OK(@PathVariable("id") Integer id);\n\n    @GetMapping("\/payment\/hystrix\/timeout\/{id}")\n    String paymentInfo_TimeOut(@PathVariable("id") Integer id);\n}<\/code><\/pre>\n
\u6d4b\u8bd5:<\/p>\n
\u5355\u4e2aeureka\u5148\u542f\u52a87001<\/p>\n
PaymentHystrixMain8001\u542f\u52a8<\/p>\n
\u6b63\u5e38\u8bbf\u95ee\u6d4b\u8bd5:http:\/\/localhost\/consumer\/payment\/hystrix\/ok\/31<\/a><\/p>\n
\u6545\u610f\u5173\u95ed\u5fae\u670d\u52a18001<\/p>\n
\u5ba2\u6237\u7aef\u81ea\u5df1\u8c03\u7528\u63d0\u793a:<\/p>\n
\u6b64\u65f6\u670d\u52a1\u7aefprovider\u5df2\u7ecfdown\u4e86\uff0c\u4f46\u662f\u6211\u4eec\u505a\u4e86\u670d\u52a1\u964d\u7ea7\u5904\u7406\uff0c
\n\u8ba9\u5ba2\u6237\u7aef\u5728\u670d\u52a1\u7aef\u4e0d\u53ef\u7528\u65f6\u4e5f\u4f1a\u83b7\u5f97\u63d0\u793a\u4fe1\u606f\u800c\u4e0d\u4f1a\u6302\u8d77\u8017\u6b7b\u670d\u52a1\u5668<\/p>\n
\u670d\u52a1\u7194\u65ad<\/h3>\n
\u65ad\u8def\u5668\uff1a\u4e00\u53e5\u8bdd\u5c31\u662f\u5bb6\u91cc\u7684\u4fdd\u9669\u4e1d<\/p>\n
\u7194\u65ad\u662f\u4ec0\u4e48<\/h4>\n
\u7194\u65ad\u673a\u5236\u6982\u8ff0
\n\u7194\u65ad\u673a\u5236\u662f\u5e94\u5bf9\u96ea\u5d29\u6548\u5e94\u7684\u4e00\u79cd\u5fae\u670d\u52a1\u94fe\u8def\u4fdd\u62a4\u673a\u5236\u3002\u5f53\u6247\u51fa\u94fe\u8def\u7684\u67d0\u4e2a\u5fae\u670d\u52a1\u51fa\u9519\u4e0d\u53ef\u7528\u6216\u8005\u54cd\u5e94\u65f6\u95f4\u592a\u957f\u65f6\uff0c
\n\u4f1a\u8fdb\u884c\u670d\u52a1\u7684\u964d\u7ea7\uff0c\u8fdb\u800c\u7194\u65ad\u8be5\u8282\u70b9\u5fae\u670d\u52a1\u7684\u8c03\u7528\uff0c\u5feb\u901f\u8fd4\u56de\u9519\u8bef\u7684\u54cd\u5e94\u4fe1\u606f\u3002
\n\u5f53\u68c0\u6d4b\u5230\u8be5\u8282\u70b9\u5fae\u670d\u52a1\u8c03\u7528\u54cd\u5e94\u6b63\u5e38\u540e\uff0c\u6062\u590d\u8c03\u7528\u94fe\u8def\u3002<\/p>\n
\u5728Spring Cloud\u6846\u67b6\u91cc\uff0c\u7194\u65ad\u673a\u5236\u901a\u8fc7Hystrix\u5b9e\u73b0\u3002Hystrix\u4f1a\u76d1\u63a7\u5fae\u670d\u52a1\u95f4\u8c03\u7528\u7684\u72b6\u51b5\uff0c
\n\u5f53\u5931\u8d25\u7684\u8c03\u7528\u5230\u4e00\u5b9a\u9608\u503c\uff0c\u7f3a\u7701\u662f5\u79d2\u518520\u6b21\u8c03\u7528\u5931\u8d25\uff0c\u5c31\u4f1a\u542f\u52a8\u7194\u65ad\u673a\u5236\u3002\u7194\u65ad\u673a\u5236\u7684\u6ce8\u89e3\u662f@HystrixCommand\u3002<\/p>\n
\u5927\u795e\u8bba\u6587\uff1ahttps:\/\/martinfowler.com\/bliki\/CircuitBreaker.html<\/a><\/p>\n
\u5b9e\u64cd<\/h4>\n
\u4fee\u6539cloud-provider-hystrix-payment8001<\/p>\n
PaymentService<\/h5>\n
    \/\/=========\u670d\u52a1\u7194\u65ad\n    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {\n            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),   \/\/\u662f\u5426\u5f00\u542f\u65ad\u8def\u5668\n            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),  \/\/\u8bf7\u6c42\u6b21\u6570\n            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"),    \/\/\u65f6\u95f4\u7a97\u53e3\u671f\n            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"),   \/\/\u5931\u8d25\u7387\u8fbe\u5230\u591a\u5c11\u540e\u8df3\u95f8\n    })\n    public String paymentCircuitBreaker(@PathVariable("id") Integer id)\n    {\n        if(id < 0)\n        {\n            throw new RuntimeException("******id \u4e0d\u80fd\u8d1f\u6570");\n        }\n        String serialNumber = IdUtil.simpleUUID();\n\n        return Thread.currentThread().getName()+"\\t"+"\u8c03\u7528\u6210\u529f\uff0c\u6d41\u6c34\u53f7: " + serialNumber;\n    }\n    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id)\n    {\n        return "id \u4e0d\u80fd\u8d1f\u6570\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\uff0c\/(\u3112o\u3112)\/~~   id: " +id;\n    }<\/code><\/pre>\n
PaymentController<\/h5>\n
    @GetMapping("\/payment\/circuit\/{id}")\n    public String paymentCircuitBreaker(@PathVariable("id") Integer id)\n    {\n        String result = paymentService.paymentCircuitBreaker(id);\n        log.info("****result: "+result);\n        return result;\n    }<\/code><\/pre>\n
\u6d4b\u8bd5<\/h5>\n
\u81ea\u6d4bcloud-provider-hystrix-payment8001<\/p>\n
\u6b63\u786e\uff1ahttp:\/\/localhost:8001\/payment\/circuit\/31<\/a><\/p>\n
\u9519\u8bef\uff1ahttp:\/\/localhost:8001\/payment\/circuit\/-31<\/a><\/p>\n
\u4e00\u6b21\u6b63\u786e\u4e00\u6b21\u9519\u8beftrytry<\/p>\n
\u91cd\u70b9\u6d4b\u8bd5\uff1a\u591a\u6b21\u9519\u8bef\uff0c\u7136\u540e\u6162\u6162\u6b63\u786e\uff0c\u53d1\u73b0\u521a\u5f00\u59cb\u4e0d\u6ee1\u8db3\u6761\u4ef6\uff0c\u5c31\u7b97\u662f\u6b63\u786e\u7684\u8bbf\u95ee\u5730\u5740\u4e5f\u4e0d\u80fd\u8fdb\u884c<\/p>\n
\u539f\u7406(\u5c0f\u603b\u7ed3)<\/h4>\n
\u5927\u795e\u7ed3\u8bba<\/p>\n
\"file\"<\/div><\/p>\n
\u7194\u65ad\u7c7b\u578b<\/h5>\n
\u7194\u65ad\u6253\u5f00\uff1a\u8bf7\u6c42\u4e0d\u518d\u8fdb\u884c\u8c03\u7528\u5f53\u524d\u670d\u52a1\uff0c\u5185\u90e8\u8bbe\u7f6e\u65f6\u949f\u4e00\u822c\u4e3aMTTR\uff08\u5e73\u5747\u6545\u969c\u5904\u7406\u65f6\u95f4)\uff0c\u5f53\u6253\u5f00\u65f6\u957f\u8fbe\u5230\u6240\u8bbe\u65f6\u949f\u5219\u8fdb\u5165\u534a\u7194\u65ad\u72b6\u6001<\/p>\n
\u7194\u65ad\u5173\u95ed\uff1a\u7194\u65ad\u5173\u95ed\u4e0d\u4f1a\u5bf9\u670d\u52a1\u8fdb\u884c\u7194\u65ad<\/p>\n
\u7194\u65ad\u534a\u5f00\uff1a\u90e8\u5206\u8bf7\u6c42\u6839\u636e\u89c4\u5219\u8c03\u7528\u5f53\u524d\u670d\u52a1\uff0c\u5982\u679c\u8bf7\u6c42\u6210\u529f\u4e14\u7b26\u5408\u89c4\u5219\u5219\u8ba4\u4e3a\u5f53\u524d\u670d\u52a1\u6062\u590d\u6b63\u5e38\uff0c\u5173\u95ed\u7194\u65ad<\/p>\n
\u5b98\u7f51\u65ad\u8def\u5668\u6d41\u7a0b\u56fe<\/h5>\n
\"file\"<\/div><\/p>\n
\u5b98\u7f51\u6b65\u9aa4<\/p>\n
\"file\"<\/div><\/p>\n
\u65ad\u8def\u5668\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u5f00\u59cb\u8d77\u4f5c\u7528\uff1a<\/p>\n
    \/\/=========\u670d\u52a1\u7194\u65ad\n    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {\n            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),   \/\/\u662f\u5426\u5f00\u542f\u65ad\u8def\u5668\n            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),  \/\/\u8bf7\u6c42\u6b21\u6570\n            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"),    \/\/\u65f6\u95f4\u7a97\u53e3\u671f\n            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"),   \/\/\u5931\u8d25\u7387\u8fbe\u5230\u591a\u5c11\u540e\u8df3\u95f8\n    })<\/code><\/pre>\n
\u6d89\u53ca\u5230\u65ad\u8def\u5668\u7684\u4e09\u4e2a\u91cd\u8981\u53c2\u6570\uff1a\u5feb\u7167\u65f6\u95f4\u7a97\u3001\u8bf7\u6c42\u603b\u6570\u9600\u503c\u3001\u9519\u8bef\u767e\u5206\u6bd4\u9600\u503c\u3002
\n1\uff1a\u5feb\u7167\u65f6\u95f4\u7a97\uff1a\u65ad\u8def\u5668\u786e\u5b9a\u662f\u5426\u6253\u5f00\u9700\u8981\u7edf\u8ba1\u4e00\u4e9b\u8bf7\u6c42\u548c\u9519\u8bef\u6570\u636e\uff0c\u800c\u7edf\u8ba1\u7684\u65f6\u95f4\u8303\u56f4\u5c31\u662f\u5feb\u7167\u65f6\u95f4\u7a97\uff0c\u9ed8\u8ba4\u4e3a\u6700\u8fd1\u768410\u79d2\u3002<\/p>\n
2\uff1a\u8bf7\u6c42\u603b\u6570\u9600\u503c\uff1a\u5728\u5feb\u7167\u65f6\u95f4\u7a97\u5185\uff0c\u5fc5\u987b\u6ee1\u8db3\u8bf7\u6c42\u603b\u6570\u9600\u503c\u624d\u6709\u8d44\u683c\u7194\u65ad\u3002\u9ed8\u8ba4\u4e3a20\uff0c\u610f\u5473\u7740\u572810\u79d2\u5185\uff0c\u5982\u679c\u8be5hystrix\u547d\u4ee4\u7684\u8c03\u7528\u6b21\u6570\u4e0d\u8db320\u6b21\uff0c\u5373\u4f7f\u6240\u6709\u7684\u8bf7\u6c42\u90fd\u8d85\u65f6\u6216\u5176\u4ed6\u539f\u56e0\u5931\u8d25\uff0c\u65ad\u8def\u5668\u90fd\u4e0d\u4f1a\u6253\u5f00\u3002<\/p>\n
3\uff1a\u9519\u8bef\u767e\u5206\u6bd4\u9600\u503c\uff1a\u5f53\u8bf7\u6c42\u603b\u6570\u5728\u5feb\u7167\u65f6\u95f4\u7a97\u5185\u8d85\u8fc7\u4e86\u9600\u503c\uff0c\u6bd4\u5982\u53d1\u751f\u4e8630\u6b21\u8c03\u7528\uff0c\u5982\u679c\u5728\u8fd930\u6b21\u8c03\u7528\u4e2d\uff0c\u670915\u6b21\u53d1\u751f\u4e86\u8d85\u65f6\u5f02\u5e38\uff0c\u4e5f\u5c31\u662f\u8d85\u8fc750%\u7684\u9519\u8bef\u767e\u5206\u6bd4\uff0c\u5728\u9ed8\u8ba4\u8bbe\u5b9a50%\u9600\u503c\u60c5\u51b5\u4e0b\uff0c\u8fd9\u65f6\u5019\u5c31\u4f1a\u5c06\u65ad\u8def\u5668\u6253\u5f00\u3002<\/p>\n
\u65ad\u8def\u5668\u5f00\u542f\u6216\u8005\u5173\u95ed\u7684\u6761\u4ef6\uff1a<\/p>\n
\u5f53\u6ee1\u8db3\u4e00\u5b9a\u7684\u9600\u503c\u7684\u65f6\u5019\uff08\u9ed8\u8ba410\u79d2\u5185\u8d85\u8fc720\u4e2a\u8bf7\u6c42\u6b21\u6570\uff09<\/p>\n
\u5f53\u5931\u8d25\u7387\u8fbe\u5230\u4e00\u5b9a\u7684\u65f6\u5019\uff08\u9ed8\u8ba410\u79d2\u5185\u8d85\u8fc750%\u7684\u8bf7\u6c42\u5931\u8d25\uff09<\/p>\n
\u5230\u8fbe\u4ee5\u4e0a\u9600\u503c\uff0c\u65ad\u8def\u5668\u5c06\u4f1a\u5f00\u542f<\/p>\n
\u5f53\u5f00\u542f\u7684\u65f6\u5019\uff0c\u6240\u6709\u8bf7\u6c42\u90fd\u4e0d\u4f1a\u8fdb\u884c\u8f6c\u53d1<\/p>\n
\u4e00\u6bb5\u65f6\u95f4\u4e4b\u540e\uff08\u9ed8\u8ba4\u662f5\u79d2\uff09\uff0c\u8fd9\u4e2a\u65f6\u5019\u65ad\u8def\u5668\u662f\u534a\u5f00\u72b6\u6001\uff0c\u4f1a\u8ba9\u5176\u4e2d\u4e00\u4e2a\u8bf7\u6c42\u8fdb\u884c\u8f6c\u53d1\u3002
\n\u5982\u679c\u6210\u529f\uff0c\u65ad\u8def\u5668\u4f1a\u5173\u95ed\uff0c\u82e5\u5931\u8d25\uff0c\u7ee7\u7eed\u5f00\u542f\u3002\u91cd\u590d4\u548c5<\/p>\n
\u65ad\u8def\u5668\u6253\u5f00\u4e4b\u540e<\/p>\n
1\uff1a\u518d\u6709\u8bf7\u6c42\u8c03\u7528\u7684\u65f6\u5019\uff0c\u5c06\u4e0d\u4f1a\u8c03\u7528\u4e3b\u903b\u8f91\uff0c\u800c\u662f\u76f4\u63a5\u8c03\u7528\u964d\u7ea7fallback\u3002\u901a\u8fc7\u65ad\u8def\u5668\uff0c\u5b9e\u73b0\u4e86\u81ea\u52a8\u5730\u53d1\u73b0\u9519\u8bef\u5e76\u5c06\u964d\u7ea7\u903b\u8f91\u5207\u6362\u4e3a\u4e3b\u903b\u8f91\uff0c\u51cf\u5c11\u54cd\u5e94\u5ef6\u8fdf\u7684\u6548\u679c\u3002<\/p>\n
2\uff1a\u539f\u6765\u7684\u4e3b\u903b\u8f91\u8981\u5982\u4f55\u6062\u590d\u5462\uff1f
\n\u5bf9\u4e8e\u8fd9\u4e00\u95ee\u9898\uff0chystrix\u4e5f\u4e3a\u6211\u4eec\u5b9e\u73b0\u4e86\u81ea\u52a8\u6062\u590d\u529f\u80fd\u3002
\n\u5f53\u65ad\u8def\u5668\u6253\u5f00\uff0c\u5bf9\u4e3b\u903b\u8f91\u8fdb\u884c\u7194\u65ad\u4e4b\u540e\uff0chystrix\u4f1a\u542f\u52a8\u4e00\u4e2a\u4f11\u7720\u65f6\u95f4\u7a97\uff0c\u5728\u8fd9\u4e2a\u65f6\u95f4\u7a97\u5185\uff0c\u964d\u7ea7\u903b\u8f91\u662f\u4e34\u65f6\u7684\u6210\u4e3a\u4e3b\u903b\u8f91\uff0c
\n\u5f53\u4f11\u7720\u65f6\u95f4\u7a97\u5230\u671f\uff0c\u65ad\u8def\u5668\u5c06\u8fdb\u5165\u534a\u5f00\u72b6\u6001\uff0c\u91ca\u653e\u4e00\u6b21\u8bf7\u6c42\u5230\u539f\u6765\u7684\u4e3b\u903b\u8f91\u4e0a\uff0c\u5982\u679c\u6b64\u6b21\u8bf7\u6c42\u6b63\u5e38\u8fd4\u56de\uff0c\u90a3\u4e48\u65ad\u8def\u5668\u5c06\u7ee7\u7eed\u95ed\u5408\uff0c
\n\u4e3b\u903b\u8f91\u6062\u590d\uff0c\u5982\u679c\u8fd9\u6b21\u8bf7\u6c42\u4f9d\u7136\u6709\u95ee\u9898\uff0c\u65ad\u8def\u5668\u7ee7\u7eed\u8fdb\u5165\u6253\u5f00\u72b6\u6001\uff0c\u4f11\u7720\u65f6\u95f4\u7a97\u91cd\u65b0\u8ba1\u65f6\u3002<\/p>\n
All\u914d\u7f6e<\/p>\n
\/\/========================All\n@HystrixCommand(fallbackMethod = "str_fallbackMethod",\n        groupKey = "strGroupCommand",\n        commandKey = "strCommand",\n        threadPoolKey = "strThreadPool",\n\n        commandProperties = {\n                \/\/ \u8bbe\u7f6e\u9694\u79bb\u7b56\u7565\uff0cTHREAD \u8868\u793a\u7ebf\u7a0b\u6c60 SEMAPHORE\uff1a\u4fe1\u53f7\u6c60\u9694\u79bb\n                @HystrixProperty(name = "execution.isolation.strategy", value = "THREAD"),\n                \/\/ \u5f53\u9694\u79bb\u7b56\u7565\u9009\u62e9\u4fe1\u53f7\u6c60\u9694\u79bb\u7684\u65f6\u5019\uff0c\u7528\u6765\u8bbe\u7f6e\u4fe1\u53f7\u6c60\u7684\u5927\u5c0f\uff08\u6700\u5927\u5e76\u53d1\u6570\uff09\n                @HystrixProperty(name = "execution.isolation.semaphore.maxConcurrentRequests", value = "10"),\n                \/\/ \u914d\u7f6e\u547d\u4ee4\u6267\u884c\u7684\u8d85\u65f6\u65f6\u95f4\n                @HystrixProperty(name = "execution.isolation.thread.timeoutinMilliseconds", value = "10"),\n                \/\/ \u662f\u5426\u542f\u7528\u8d85\u65f6\u65f6\u95f4\n                @HystrixProperty(name = "execution.timeout.enabled", value = "true"),\n                \/\/ \u6267\u884c\u8d85\u65f6\u7684\u65f6\u5019\u662f\u5426\u4e2d\u65ad\n                @HystrixProperty(name = "execution.isolation.thread.interruptOnTimeout", value = "true"),\n                \/\/ \u6267\u884c\u88ab\u53d6\u6d88\u7684\u65f6\u5019\u662f\u5426\u4e2d\u65ad\n                @HystrixProperty(name = "execution.isolation.thread.interruptOnCancel", value = "true"),\n                \/\/ \u5141\u8bb8\u56de\u8c03\u65b9\u6cd5\u6267\u884c\u7684\u6700\u5927\u5e76\u53d1\u6570\n                @HystrixProperty(name = "fallback.isolation.semaphore.maxConcurrentRequests", value = "10"),\n                \/\/ \u670d\u52a1\u964d\u7ea7\u662f\u5426\u542f\u7528\uff0c\u662f\u5426\u6267\u884c\u56de\u8c03\u51fd\u6570\n                @HystrixProperty(name = "fallback.enabled", value = "true"),\n                \/\/ \u662f\u5426\u542f\u7528\u65ad\u8def\u5668\n                @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),\n                \/\/ \u8be5\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u5728\u6eda\u52a8\u65f6\u95f4\u7a97\u4e2d\uff0c\u65ad\u8def\u5668\u7194\u65ad\u7684\u6700\u5c0f\u8bf7\u6c42\u6570\u3002\u4f8b\u5982\uff0c\u9ed8\u8ba4\u8be5\u503c\u4e3a 20 \u7684\u65f6\u5019\uff0c\n                \/\/ \u5982\u679c\u6eda\u52a8\u65f6\u95f4\u7a97\uff08\u9ed8\u8ba410\u79d2\uff09\u5185\u4ec5\u6536\u5230\u4e8619\u4e2a\u8bf7\u6c42\uff0c \u5373\u4f7f\u8fd919\u4e2a\u8bf7\u6c42\u90fd\u5931\u8d25\u4e86\uff0c\u65ad\u8def\u5668\u4e5f\u4e0d\u4f1a\u6253\u5f00\u3002\n                @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "20"),\n                \/\/ \u8be5\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u5728\u6eda\u52a8\u65f6\u95f4\u7a97\u4e2d\uff0c\u8868\u793a\u5728\u6eda\u52a8\u65f6\u95f4\u7a97\u4e2d\uff0c\u5728\u8bf7\u6c42\u6570\u91cf\u8d85\u8fc7\n                \/\/ circuitBreaker.requestVolumeThreshold \u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u9519\u8bef\u8bf7\u6c42\u6570\u7684\u767e\u5206\u6bd4\u8d85\u8fc750,\n                \/\/ \u5c31\u628a\u65ad\u8def\u5668\u8bbe\u7f6e\u4e3a "\u6253\u5f00" \u72b6\u6001\uff0c\u5426\u5219\u5c31\u8bbe\u7f6e\u4e3a "\u5173\u95ed" \u72b6\u6001\u3002\n                @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "50"),\n                \/\/ \u8be5\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u5f53\u65ad\u8def\u5668\u6253\u5f00\u4e4b\u540e\u7684\u4f11\u7720\u65f6\u95f4\u7a97\u3002 \u4f11\u7720\u65f6\u95f4\u7a97\u7ed3\u675f\u4e4b\u540e\uff0c\n                \/\/ \u4f1a\u5c06\u65ad\u8def\u5668\u7f6e\u4e3a "\u534a\u5f00" \u72b6\u6001\uff0c\u5c1d\u8bd5\u7194\u65ad\u7684\u8bf7\u6c42\u547d\u4ee4\uff0c\u5982\u679c\u4f9d\u7136\u5931\u8d25\u5c31\u5c06\u65ad\u8def\u5668\u7ee7\u7eed\u8bbe\u7f6e\u4e3a "\u6253\u5f00" \u72b6\u6001\uff0c\n                \/\/ \u5982\u679c\u6210\u529f\u5c31\u8bbe\u7f6e\u4e3a "\u5173\u95ed" \u72b6\u6001\u3002\n                @HystrixProperty(name = "circuitBreaker.sleepWindowinMilliseconds", value = "5000"),\n                \/\/ \u65ad\u8def\u5668\u5f3a\u5236\u6253\u5f00\n                @HystrixProperty(name = "circuitBreaker.forceOpen", value = "false"),\n                \/\/ \u65ad\u8def\u5668\u5f3a\u5236\u5173\u95ed\n                @HystrixProperty(name = "circuitBreaker.forceClosed", value = "false"),\n                \/\/ \u6eda\u52a8\u65f6\u95f4\u7a97\u8bbe\u7f6e\uff0c\u8be5\u65f6\u95f4\u7528\u4e8e\u65ad\u8def\u5668\u5224\u65ad\u5065\u5eb7\u5ea6\u65f6\u9700\u8981\u6536\u96c6\u4fe1\u606f\u7684\u6301\u7eed\u65f6\u95f4\n                @HystrixProperty(name = "metrics.rollingStats.timeinMilliseconds", value = "10000"),\n                \/\/ \u8be5\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u6eda\u52a8\u65f6\u95f4\u7a97\u7edf\u8ba1\u6307\u6807\u4fe1\u606f\u65f6\u5212\u5206"\u6876"\u7684\u6570\u91cf\uff0c\u65ad\u8def\u5668\u5728\u6536\u96c6\u6307\u6807\u4fe1\u606f\u7684\u65f6\u5019\u4f1a\u6839\u636e\n                \/\/ \u8bbe\u7f6e\u7684\u65f6\u95f4\u7a97\u957f\u5ea6\u62c6\u5206\u6210\u591a\u4e2a "\u6876" \u6765\u7d2f\u8ba1\u5404\u5ea6\u91cf\u503c\uff0c\u6bcf\u4e2a"\u6876"\u8bb0\u5f55\u4e86\u4e00\u6bb5\u65f6\u95f4\u5185\u7684\u91c7\u96c6\u6307\u6807\u3002\n                \/\/ \u6bd4\u5982 10 \u79d2\u5185\u62c6\u5206\u6210 10 \u4e2a"\u6876"\u6536\u96c6\u8fd9\u6837\uff0c\u6240\u4ee5 timeinMilliseconds \u5fc5\u987b\u80fd\u88ab numBuckets \u6574\u9664\u3002\u5426\u5219\u4f1a\u629b\u5f02\u5e38\n                @HystrixProperty(name = "metrics.rollingStats.numBuckets", value = "10"),\n                \/\/ \u8be5\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u5bf9\u547d\u4ee4\u6267\u884c\u7684\u5ef6\u8fdf\u662f\u5426\u4f7f\u7528\u767e\u5206\u4f4d\u6570\u6765\u8ddf\u8e2a\u548c\u8ba1\u7b97\u3002\u5982\u679c\u8bbe\u7f6e\u4e3a false, \u90a3\u4e48\u6240\u6709\u7684\u6982\u8981\u7edf\u8ba1\u90fd\u5c06\u8fd4\u56de -1\u3002\n                @HystrixProperty(name = "metrics.rollingPercentile.enabled", value = "false"),\n                \/\/ \u8be5\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u767e\u5206\u4f4d\u7edf\u8ba1\u7684\u6eda\u52a8\u7a97\u53e3\u7684\u6301\u7eed\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u6beb\u79d2\u3002\n                @HystrixProperty(name = "metrics.rollingPercentile.timeInMilliseconds", value = "60000"),\n                \/\/ \u8be5\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u767e\u5206\u4f4d\u7edf\u8ba1\u6eda\u52a8\u7a97\u53e3\u4e2d\u4f7f\u7528 \u201c \u6876 \u201d\u7684\u6570\u91cf\u3002\n                @HystrixProperty(name = "metrics.rollingPercentile.numBuckets", value = "60000"),\n                \/\/ \u8be5\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u6bcf\u4e2a \u201c\u6876\u201d \u4e2d\u4fdd\u7559\u7684\u6700\u5927\u6267\u884c\u6b21\u6570\u3002\u5982\u679c\u5728\u6eda\u52a8\u65f6\u95f4\u7a97\u5185\u53d1\u751f\u8d85\u8fc7\u8be5\u8bbe\u5b9a\u503c\u7684\u6267\u884c\u6b21\u6570\uff0c\n                \/\/ \u5c31\u4ece\u6700\u521d\u7684\u4f4d\u7f6e\u5f00\u59cb\u91cd\u5199\u3002\u4f8b\u5982\uff0c\u5c06\u8be5\u503c\u8bbe\u7f6e\u4e3a100, \u6eda\u52a8\u7a97\u53e3\u4e3a10\u79d2\uff0c\u82e5\u572810\u79d2\u5185\u4e00\u4e2a \u201c\u6876 \u201d\u4e2d\u53d1\u751f\u4e86500\u6b21\u6267\u884c\uff0c\n                \/\/ \u90a3\u4e48\u8be5 \u201c\u6876\u201d \u4e2d\u53ea\u4fdd\u7559 \u6700\u540e\u7684100\u6b21\u6267\u884c\u7684\u7edf\u8ba1\u3002\u53e6\u5916\uff0c\u589e\u52a0\u8be5\u503c\u7684\u5927\u5c0f\u5c06\u4f1a\u589e\u52a0\u5185\u5b58\u91cf\u7684\u6d88\u8017\uff0c\u5e76\u589e\u52a0\u6392\u5e8f\u767e\u5206\u4f4d\u6570\u6240\u9700\u7684\u8ba1\u7b97\u65f6\u95f4\u3002\n                @HystrixProperty(name = "metrics.rollingPercentile.bucketSize", value = "100"),\n                \/\/ \u8be5\u5c5e\u6027\u7528\u6765\u8bbe\u7f6e\u91c7\u96c6\u5f71\u54cd\u65ad\u8def\u5668\u72b6\u6001\u7684\u5065\u5eb7\u5feb\u7167\uff08\u8bf7\u6c42\u7684\u6210\u529f\u3001 \u9519\u8bef\u767e\u5206\u6bd4\uff09\u7684\u95f4\u9694\u7b49\u5f85\u65f6\u95f4\u3002\n                @HystrixProperty(name = "metrics.healthSnapshot.intervalinMilliseconds", value = "500"),\n                \/\/ \u662f\u5426\u5f00\u542f\u8bf7\u6c42\u7f13\u5b58\n                @HystrixProperty(name = "requestCache.enabled", value = "true"),\n                \/\/ HystrixCommand\u7684\u6267\u884c\u548c\u4e8b\u4ef6\u662f\u5426\u6253\u5370\u65e5\u5fd7\u5230 HystrixRequestLog \u4e2d\n                @HystrixProperty(name = "requestLog.enabled", value = "true"),\n        },\n        threadPoolProperties = {\n                \/\/ \u8be5\u53c2\u6570\u7528\u6765\u8bbe\u7f6e\u6267\u884c\u547d\u4ee4\u7ebf\u7a0b\u6c60\u7684\u6838\u5fc3\u7ebf\u7a0b\u6570\uff0c\u8be5\u503c\u4e5f\u5c31\u662f\u547d\u4ee4\u6267\u884c\u7684\u6700\u5927\u5e76\u53d1\u91cf\n                @HystrixProperty(name = "coreSize", value = "10"),\n                \/\/ \u8be5\u53c2\u6570\u7528\u6765\u8bbe\u7f6e\u7ebf\u7a0b\u6c60\u7684\u6700\u5927\u961f\u5217\u5927\u5c0f\u3002\u5f53\u8bbe\u7f6e\u4e3a -1 \u65f6\uff0c\u7ebf\u7a0b\u6c60\u5c06\u4f7f\u7528 SynchronousQueue \u5b9e\u73b0\u7684\u961f\u5217\uff0c\n                \/\/ \u5426\u5219\u5c06\u4f7f\u7528 LinkedBlockingQueue \u5b9e\u73b0\u7684\u961f\u5217\u3002\n                @HystrixProperty(name = "maxQueueSize", value = "-1"),\n                \/\/ \u8be5\u53c2\u6570\u7528\u6765\u4e3a\u961f\u5217\u8bbe\u7f6e\u62d2\u7edd\u9608\u503c\u3002 \u901a\u8fc7\u8be5\u53c2\u6570\uff0c \u5373\u4f7f\u961f\u5217\u6ca1\u6709\u8fbe\u5230\u6700\u5927\u503c\u4e5f\u80fd\u62d2\u7edd\u8bf7\u6c42\u3002\n                \/\/ \u8be5\u53c2\u6570\u4e3b\u8981\u662f\u5bf9 LinkedBlockingQueue \u961f\u5217\u7684\u8865\u5145,\u56e0\u4e3a LinkedBlockingQueue\n                \/\/ \u961f\u5217\u4e0d\u80fd\u52a8\u6001\u4fee\u6539\u5b83\u7684\u5bf9\u8c61\u5927\u5c0f\uff0c\u800c\u901a\u8fc7\u8be5\u5c5e\u6027\u5c31\u53ef\u4ee5\u8c03\u6574\u62d2\u7edd\u8bf7\u6c42\u7684\u961f\u5217\u5927\u5c0f\u4e86\u3002\n                @HystrixProperty(name = "queueSizeRejectionThreshold", value = "5"),\n        }\n)\npublic String strConsumer() {\n    return "hello 2020";\n}\npublic String str_fallbackMethod()\n{\n    return "*****fall back str_fallbackMethod";\n}<\/code><\/pre>\n
\u670d\u52a1\u9650\u6d41<\/h3>\n
\u540e\u9762\u9ad8\u7ea7\u7bc7\u8bb2\u89e3alibaba\u7684Sentinel\u8bf4\u660e<\/p>\n
hystrix\u5de5\u4f5c\u6d41\u7a0b<\/h2>\n
https:\/\/github.com\/Netflix\/Hystrix\/wiki\/How-it-Works<\/a><\/p>\n
Hystrix\u5de5\u4f5c\u6d41\u7a0b<\/h3>\n
\u5b98\u7f51\u56fe\u4f8b<\/p>\n
\"file\"<\/div><\/p>\n
\u6b65\u9aa4\u8bf4\u660e<\/p>\n
1   \u521b\u5efa HystrixCommand\uff08\u7528\u5728\u4f9d\u8d56\u7684\u670d\u52a1\u8fd4\u56de\u5355\u4e2a\u64cd\u4f5c\u7ed3\u679c\u7684\u65f6\u5019\uff09 \u6216 HystrixObserableCommand\uff08\u7528\u5728\u4f9d\u8d56\u7684\u670d\u52a1\u8fd4\u56de\u591a\u4e2a\u64cd\u4f5c\u7ed3\u679c\u7684\u65f6\u5019\uff09 \u5bf9\u8c61\u3002
\n2   \u547d\u4ee4\u6267\u884c\u3002\u5176\u4e2d HystrixComand \u5b9e\u73b0\u4e86\u4e0b\u9762\u524d\u4e24\u79cd\u6267\u884c\u65b9\u5f0f\uff1b\u800c HystrixObservableCommand \u5b9e\u73b0\u4e86\u540e\u4e24\u79cd\u6267\u884c\u65b9\u5f0f\uff1aexecute()\uff1a\u540c\u6b65\u6267\u884c\uff0c\u4ece\u4f9d\u8d56\u7684\u670d\u52a1\u8fd4\u56de\u4e00\u4e2a\u5355\u4e00\u7684\u7ed3\u679c\u5bf9\u8c61\uff0c \u6216\u662f\u5728\u53d1\u751f\u9519\u8bef\u7684\u65f6\u5019\u629b\u51fa\u5f02\u5e38\u3002queue()\uff1a\u5f02\u6b65\u6267\u884c\uff0c \u76f4\u63a5\u8fd4\u56de \u4e00\u4e2aFuture\u5bf9\u8c61\uff0c \u5176\u4e2d\u5305\u542b\u4e86\u670d\u52a1\u6267\u884c\u7ed3\u675f\u65f6\u8981\u8fd4\u56de\u7684\u5355\u4e00\u7ed3\u679c\u5bf9\u8c61\u3002observe()\uff1a\u8fd4\u56de Observable \u5bf9\u8c61\uff0c\u5b83\u4ee3\u8868\u4e86\u64cd\u4f5c\u7684\u591a\u4e2a\u7ed3\u679c\uff0c\u5b83\u662f\u4e00\u4e2a Hot Obserable\uff08\u4e0d\u8bba "\u4e8b\u4ef6\u6e90" \u662f\u5426\u6709 "\u8ba2\u9605\u8005"\uff0c\u90fd\u4f1a\u5728\u521b\u5efa\u540e\u5bf9\u4e8b\u4ef6\u8fdb\u884c\u53d1\u5e03\uff0c\u6240\u4ee5\u5bf9\u4e8e Hot Observable \u7684\u6bcf\u4e00\u4e2a "\u8ba2\u9605\u8005" \u90fd\u6709\u53ef\u80fd\u662f\u4ece "\u4e8b\u4ef6\u6e90" \u7684\u4e2d\u9014\u5f00\u59cb\u7684\uff0c\u5e76\u53ef\u80fd\u53ea\u662f\u770b\u5230\u4e86\u6574\u4e2a\u64cd\u4f5c\u7684\u5c40\u90e8\u8fc7\u7a0b\uff09\u3002toObservable()\uff1a \u540c\u6837\u4f1a\u8fd4\u56de Observable \u5bf9\u8c61\uff0c\u4e5f\u4ee3\u8868\u4e86\u64cd\u4f5c\u7684\u591a\u4e2a\u7ed3\u679c\uff0c\u4f46\u5b83\u8fd4\u56de\u7684\u662f\u4e00\u4e2aCold Observable\uff08\u6ca1\u6709 "\u8ba2\u9605\u8005" \u7684\u65f6\u5019\u5e76\u4e0d\u4f1a\u53d1\u5e03\u4e8b\u4ef6\uff0c\u800c\u662f\u8fdb\u884c\u7b49\u5f85\uff0c\u76f4\u5230\u6709 "\u8ba2\u9605\u8005" \u4e4b\u540e\u624d\u53d1\u5e03\u4e8b\u4ef6\uff0c\u6240\u4ee5\u5bf9\u4e8e Cold Observable \u7684\u8ba2\u9605\u8005\uff0c\u5b83\u53ef\u4ee5\u4fdd\u8bc1\u4ece\u4e00\u5f00\u59cb\u770b\u5230\u6574\u4e2a\u64cd\u4f5c\u7684\u5168\u90e8\u8fc7\u7a0b\uff09\u3002
\n3   \u82e5\u5f53\u524d\u547d\u4ee4\u7684\u8bf7\u6c42\u7f13\u5b58\u529f\u80fd\u662f\u88ab\u542f\u7528\u7684\uff0c \u5e76\u4e14\u8be5\u547d\u4ee4\u7f13\u5b58\u547d\u4e2d\uff0c \u90a3\u4e48\u7f13\u5b58\u7684\u7ed3\u679c\u4f1a\u7acb\u5373\u4ee5 Observable \u5bf9\u8c61\u7684\u5f62\u5f0f \u8fd4\u56de\u3002
\n4   \u68c0\u67e5\u65ad\u8def\u5668\u662f\u5426\u4e3a\u6253\u5f00\u72b6\u6001\u3002\u5982\u679c\u65ad\u8def\u5668\u662f\u6253\u5f00\u7684\uff0c\u90a3\u4e48Hystrix\u4e0d\u4f1a\u6267\u884c\u547d\u4ee4\uff0c\u800c\u662f\u8f6c\u63a5\u5230 fallback \u5904\u7406\u903b\u8f91\uff08\u7b2c 8 \u6b65\uff09\uff1b\u5982\u679c\u65ad\u8def\u5668\u662f\u5173\u95ed\u7684\uff0c\u68c0\u67e5\u662f\u5426\u6709\u53ef\u7528\u8d44\u6e90\u6765\u6267\u884c\u547d\u4ee4\uff08\u7b2c 5 \u6b65\uff09\u3002
\n5   \u7ebf\u7a0b\u6c60\/\u8bf7\u6c42\u961f\u5217\/\u4fe1\u53f7\u91cf\u662f\u5426\u5360\u6ee1\u3002\u5982\u679c\u547d\u4ee4\u4f9d\u8d56\u670d\u52a1\u7684\u4e13\u6709\u7ebf\u7a0b\u6c60\u548c\u8bf7\u6c42\u961f\u5217\uff0c\u6216\u8005\u4fe1\u53f7\u91cf\uff08\u4e0d\u4f7f\u7528\u7ebf\u7a0b\u6c60\u7684\u65f6\u5019\uff09\u5df2\u7ecf\u88ab\u5360\u6ee1\uff0c \u90a3\u4e48 Hystrix \u4e5f\u4e0d\u4f1a\u6267\u884c\u547d\u4ee4\uff0c \u800c\u662f\u8f6c\u63a5\u5230 fallback \u5904\u7406\u903b\u8f91\uff08\u7b2c8\u6b65\uff09\u3002
\n6   Hystrix \u4f1a\u6839\u636e\u6211\u4eec\u7f16\u5199\u7684\u65b9\u6cd5\u6765\u51b3\u5b9a\u91c7\u53d6\u4ec0\u4e48\u6837\u7684\u65b9\u5f0f\u53bb\u8bf7\u6c42\u4f9d\u8d56\u670d\u52a1\u3002HystrixCommand.run() \uff1a\u8fd4\u56de\u4e00\u4e2a\u5355\u4e00\u7684\u7ed3\u679c\uff0c\u6216\u8005\u629b\u51fa\u5f02\u5e38\u3002HystrixObservableCommand.construct()\uff1a \u8fd4\u56de\u4e00\u4e2aObservable \u5bf9\u8c61\u6765\u53d1\u5c04\u591a\u4e2a\u7ed3\u679c\uff0c\u6216\u901a\u8fc7 onError \u53d1\u9001\u9519\u8bef\u901a\u77e5\u3002
\n7   Hystrix\u4f1a\u5c06 "\u6210\u529f"\u3001"\u5931\u8d25"\u3001"\u62d2\u7edd"\u3001"\u8d85\u65f6" \u7b49\u4fe1\u606f\u62a5\u544a\u7ed9\u65ad\u8def\u5668\uff0c \u800c\u65ad\u8def\u5668\u4f1a\u7ef4\u62a4\u4e00\u7ec4\u8ba1\u6570\u5668\u6765\u7edf\u8ba1\u8fd9\u4e9b\u6570\u636e\u3002\u65ad\u8def\u5668\u4f1a\u4f7f\u7528\u8fd9\u4e9b\u7edf\u8ba1\u6570\u636e\u6765\u51b3\u5b9a\u662f\u5426\u8981\u5c06\u65ad\u8def\u5668\u6253\u5f00\uff0c\u6765\u5bf9\u67d0\u4e2a\u4f9d\u8d56\u670d\u52a1\u7684\u8bf7\u6c42\u8fdb\u884c "\u7194\u65ad\/\u77ed\u8def"\u3002
\n8   \u5f53\u547d\u4ee4\u6267\u884c\u5931\u8d25\u7684\u65f6\u5019\uff0c Hystrix \u4f1a\u8fdb\u5165 fallback \u5c1d\u8bd5\u56de\u9000\u5904\u7406\uff0c \u6211\u4eec\u901a\u5e38\u4e5f\u79f0\u8be5\u64cd\u4f5c\u4e3a "\u670d\u52a1\u964d\u7ea7"\u3002\u800c\u80fd\u591f\u5f15\u8d77\u670d\u52a1\u964d\u7ea7\u5904\u7406\u7684\u60c5\u51b5\u6709\u4e0b\u9762\u51e0\u79cd\uff1a\u7b2c4\u6b65\uff1a \u5f53\u524d\u547d\u4ee4\u5904\u4e8e"\u7194\u65ad\/\u77ed\u8def"\u72b6\u6001\uff0c\u65ad\u8def\u5668\u662f\u6253\u5f00\u7684\u65f6\u5019\u3002\u7b2c5\u6b65\uff1a \u5f53\u524d\u547d\u4ee4\u7684\u7ebf\u7a0b\u6c60\u3001 \u8bf7\u6c42\u961f\u5217\u6216 \u8005\u4fe1\u53f7\u91cf\u88ab\u5360\u6ee1\u7684\u65f6\u5019\u3002\u7b2c6\u6b65\uff1aHystrixObservableCommand.construct() \u6216 HystrixCommand.run() \u629b\u51fa\u5f02\u5e38\u7684\u65f6\u5019\u3002
\n9   \u5f53Hystrix\u547d\u4ee4\u6267\u884c\u6210\u529f\u4e4b\u540e\uff0c \u5b83\u4f1a\u5c06\u5904\u7406\u7ed3\u679c\u76f4\u63a5\u8fd4\u56de\u6216\u662f\u4ee5Observable \u7684\u5f62\u5f0f\u8fd4\u56de\u3002
\ntips\uff1a\u5982\u679c\u6211\u4eec\u6ca1\u6709\u4e3a\u547d\u4ee4\u5b9e\u73b0\u964d\u7ea7\u903b\u8f91\u6216\u8005\u5728\u964d\u7ea7\u5904\u7406\u903b\u8f91\u4e2d\u629b\u51fa\u4e86\u5f02\u5e38\uff0c Hystrix \u4f9d\u7136\u4f1a\u8fd4\u56de\u4e00\u4e2a Observable \u5bf9\u8c61\uff0c \u4f46\u662f\u5b83\u4e0d\u4f1a\u53d1\u5c04\u4efb\u4f55\u7ed3\u679c\u6570\u636e\uff0c \u800c\u662f\u901a\u8fc7 onError \u65b9\u6cd5\u901a\u77e5\u547d\u4ee4\u7acb\u5373\u4e2d\u65ad\u8bf7\u6c42\uff0c\u5e76\u901a\u8fc7onError()\u65b9\u6cd5\u5c06\u5f15\u8d77\u547d\u4ee4\u5931\u8d25\u7684\u5f02\u5e38\u53d1\u9001\u7ed9\u8c03\u7528\u8005\u3002<\/p>\n
\u670d\u52a1\u76d1\u63a7hystrixDashboard<\/h2>\n
\u6982\u8ff0<\/h3>\n
\u9664\u4e86\u9694\u79bb\u4f9d\u8d56\u670d\u52a1\u7684\u8c03\u7528\u4ee5\u5916\uff0cHystrix\u8fd8\u63d0\u4f9b\u4e86\u51c6\u5b9e\u65f6\u7684\u8c03\u7528\u76d1\u63a7\uff08Hystrix Dashboard\uff09\uff0cHystrix\u4f1a\u6301\u7eed\u5730\u8bb0\u5f55\u6240\u6709\u901a\u8fc7Hystrix\u53d1\u8d77\u7684\u8bf7\u6c42\u7684\u6267\u884c\u4fe1\u606f\uff0c\u5e76\u4ee5\u7edf\u8ba1\u62a5\u8868\u548c\u56fe\u5f62\u7684\u5f62\u5f0f\u5c55\u793a\u7ed9\u7528\u6237\uff0c\u5305\u62ec\u6bcf\u79d2\u6267\u884c\u591a\u5c11\u8bf7\u6c42\u591a\u5c11\u6210\u529f\uff0c\u591a\u5c11\u5931\u8d25\u7b49\u3002Netflix\u901a\u8fc7hystrix-metrics-event-stream\u9879\u76ee\u5b9e\u73b0\u4e86\u5bf9\u4ee5\u4e0a\u6307\u6807\u7684\u76d1\u63a7\u3002Spring Cloud\u4e5f\u63d0\u4f9b\u4e86Hystrix Dashboard\u7684\u6574\u5408\uff0c\u5bf9\u76d1\u63a7\u5185\u5bb9\u8f6c\u5316\u6210\u53ef\u89c6\u5316\u754c\u9762\u3002<\/p>\n
\u4eea\u8868\u76d89001<\/h3>\n
\u65b0\u5efacloud-consumer-hystrix-dashboard9001<\/p>\n
POM<\/p>\n
<dependencies>\n        <dependency>\n            <groupId>org.springframework.cloud<\/groupId>\n            <artifactId>spring-cloud-starter-netflix-hystrix-dashboard<\/artifactId>\n        <\/dependency>\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-actuator<\/artifactId>\n        <\/dependency>\n\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-devtools<\/artifactId>\n            <scope>runtime<\/scope>\n            <optional>true<\/optional>\n        <\/dependency>\n        <dependency>\n            <groupId>org.projectlombok<\/groupId>\n            <artifactId>lombok<\/artifactId>\n            <optional>true<\/optional>\n        <\/dependency>\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-test<\/artifactId>\n            <scope>test<\/scope>\n        <\/dependency>\n    <\/dependencies><\/code><\/pre>\n
YML<\/p>\n
server:\n  port: 9001<\/code><\/pre>\n
HystrixDashboardMain9001+\u65b0\u6ce8\u89e3@EnableHystrixDashboard<\/p>\n
@SpringBootApplication\n@EnableHystrixDashboard\npublic class HystrixDashboardMain9001\n{\n    public static void main(String[] args)\n    {\n        SpringApplication.run(HystrixDashboardMain9001.class,args);\n    }\n}<\/code><\/pre>\n
\u6240\u6709Provider\u5fae\u670d\u52a1\u63d0\u4f9b\u7c7b(8001\/8002\/8003)\u90fd\u9700\u8981\u76d1\u63a7\u4f9d\u8d56\u914d\u7f6e<\/p>\n
 <!-- actuator\u76d1\u63a7\u4fe1\u606f\u5b8c\u5584 --> <!-- actuator\u76d1\u63a7\u4fe1\u606f\u5b8c\u5584 -->\n<dependency>\n    <groupId>org.springframework.boot<\/groupId>\n    <artifactId>spring-boot-starter-actuator<\/artifactId>\n<\/dependency><\/code><\/pre>\n
\u542f\u52a8cloud-consumer-hystrix-dashboard9001\u8be5\u5fae\u670d\u52a1\u540e\u7eed\u5c06\u76d1\u63a7\u5fae\u670d\u52a18001<\/p>\n
http:\/\/localhost:9001\/hystrix:\u6210\u529f\u5219\u5c55\u793a\u8c6a\u732a\u9875\u9762<\/a><\/p>\n
\u65ad\u8def\u5668\u6f14\u793a(\u670d\u52a1\u76d1\u63a7hystrixDashboard)<\/h3>\n
\u4fee\u6539cloud-provider-hystrix-payment8001<\/h4>\n
\u6ce8\u610f:\u65b0\u7248\u672cHystrix\u9700\u8981\u5728\u4e3b\u542f\u52a8\u7c7bMainAppHystrix8001\u4e2d\u6307\u5b9a\u76d1\u63a7\u8def\u5f84<\/p>\n
\/**\n *\u6b64\u914d\u7f6e\u662f\u4e3a\u4e86\u670d\u52a1\u76d1\u63a7\u800c\u914d\u7f6e\uff0c\u4e0e\u670d\u52a1\u5bb9\u9519\u672c\u8eab\u65e0\u5173\uff0cspringcloud\u5347\u7ea7\u540e\u7684\u5751\n *ServletRegistrationBean\u56e0\u4e3aspringboot\u7684\u9ed8\u8ba4\u8def\u5f84\u4e0d\u662f"\/hystrix.stream"\uff0c\n *\u53ea\u8981\u5728\u81ea\u5df1\u7684\u9879\u76ee\u91cc\u914d\u7f6e\u4e0a\u4e0b\u9762\u7684servlet\u5c31\u53ef\u4ee5\u4e86\n *\/\n@Bean\npublic ServletRegistrationBean getServlet() {\n    HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();\n    ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);\n    registrationBean.setLoadOnStartup(1);\n    registrationBean.addUrlMappings("\/hystrix.stream");\n    registrationBean.setName("HystrixMetricsStreamServlet");\n    return registrationBean;\n}<\/code><\/pre>\n
\u5426\u5219\uff1a<\/p>\n
Unable to connect to Command Metric Stream.<\/p>\n
404<\/p>\n
\u76d1\u63a7\u6d4b\u8bd5<\/h4>\n
\u542f\u52a81\u4e2aeureka\u6216\u80053\u4e2aeureka\u96c6\u7fa4\u5747\u53ef<\/p>\n
\u89c2\u5bdf\u76d1\u63a7\u7a97\u53e3<\/h5>\n
9001\u76d1\u63a78001<\/p>\n
\u586b\u5199\u76d1\u63a7\u5730\u5740\uff1ahttp:\/\/localhost:8001\/hystrix.stream<\/a><\/p>\n
\u6d4b\u8bd5\u5730\u5740\uff1a<\/h5>\n
http:\/\/localhost:8001\/payment\/circuit\/31<\/a><\/p>\n
http:\/\/localhost:8001\/payment\/circuit\/-31<\/a><\/p>\n
\u4e0a\u8ff0\u6d4b\u8bd5\u901a\u8fc7\uff1aok<\/p>\n
\u5148\u8bbf\u95ee\u6b63\u786e\u5730\u5740\uff0c\u518d\u8bbf\u95ee\u9519\u8bef\u5730\u5740\uff0c\u518d\u6b63\u786e\u5730\u5740\uff0c\u4f1a\u53d1\u73b0\u56fe\u793a\u65ad\u8def\u5668\u90fd\u662f\u6162\u6162\u653e\u5f00\u7684\u3002<\/p>\n
\u76d1\u63a7\u7ed3\u679c\uff1a<\/p>\n
\"\"<\/div><\/p>\n
\u5982\u4f55\u770b\uff1f<\/h5>\n
7\u8272<\/p>\n
1\u5708<\/p>\n
\u5b9e\u5fc3\u5706\uff1a\u5171\u6709\u4e24\u79cd\u542b\u4e49\u3002\u5b83\u901a\u8fc7\u989c\u8272\u7684\u53d8\u5316\u4ee3\u8868\u4e86\u5b9e\u4f8b\u7684\u5065\u5eb7\u7a0b\u5ea6\uff0c\u5b83\u7684\u5065\u5eb7\u5ea6\u4ece\u7eff\u8272<\u9ec4\u8272<\u6a59\u8272<\u7ea2\u8272\u9012\u51cf\u3002
\n\u8be5\u5b9e\u5fc3\u5706\u9664\u4e86\u989c\u8272\u7684\u53d8\u5316\u4e4b\u5916\uff0c\u5b83\u7684\u5927\u5c0f\u4e5f\u4f1a\u6839\u636e\u5b9e\u4f8b\u7684\u8bf7\u6c42\u6d41\u91cf\u53d1\u751f\u53d8\u5316\uff0c\u6d41\u91cf\u8d8a\u5927\u8be5\u5b9e\u5fc3\u5706\u5c31\u8d8a\u5927\u3002\u6240\u4ee5\u901a\u8fc7\u8be5\u5b9e\u5fc3\u5706\u7684\u5c55\u793a\uff0c\u5c31\u53ef\u4ee5\u5728\u5927\u91cf\u7684\u5b9e\u4f8b\u4e2d\u5feb\u901f\u7684\u53d1\u73b0\u6545\u969c\u5b9e\u4f8b\u548c\u9ad8\u538b\u529b\u5b9e\u4f8b\u3002<\/p>\n
1\u7ebf<\/p>\n
\u66f2\u7ebf\uff1a\u7528\u6765\u8bb0\u5f552\u5206\u949f\u5185\u6d41\u91cf\u7684\u76f8\u5bf9\u53d8\u5316\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b83\u6765\u89c2\u5bdf\u5230\u6d41\u91cf\u7684\u4e0a\u5347\u548c\u4e0b\u964d\u8d8b\u52bf\u3002<\/p>\n
\u6574\u56fe\u8bf4\u660e<\/p>\n
\"file\"<\/div><\/p>\n
\"file\"<\/div><\/p>\n
\u641e\u61c2\u4e00\u4e2a\u624d\u80fd\u770b\u61c2\u590d\u6742\u7684<\/h5>\n
\"file\"<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"
\u6982\u8ff0 \u5206\u5e03\u5f0f\u7cfb\u7edf\u9762\u4e34\u7684\u95ee\u9898 \u590d\u6742\u5206\u5e03\u5f0f\u4f53\u7cfb\u7ed3\u6784\u4e2d\u7684\u5e94\u7528\u7a0b\u5e8f\u6709\u6570\u5341\u4e2a\u4f9d\u8d56\u5173\u7cfb\uff0c\u6bcf\u4e2a\u4f9d\u8d56\u5173\u7cfb\u5728\u67d0\u4e9b\u65f6\u5019\u5c06\u4e0d\u53ef\u907f\u514d\u5730 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[126],"tags":[70],"class_list":["post-419","post","type-post","status-publish","format-standard","hentry","category-java-microservices","tag-springcloud"],"_links":{"self":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=419"}],"version-history":[{"count":1,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/419\/revisions"}],"predecessor-version":[{"id":2130,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/419\/revisions\/2130"}],"wp:attachment":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}