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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                * [ ] 線程池隔離 * [ ] Hystrix自動實現依賴隔離 熔斷的配置: 在需要進行熔斷配置的方法上加上Hystrix的注解 ``` @HystrixCommand(commandProperties = { @HystrixProperty(name = "circuitBreaker.enabled" , value = "true"), //設置熔斷 @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold" , value = "10"), @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds" , value = "1000"), @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage" , value = "60") }) ``` * Circuit Breaker : 斷路器 [斷路器詳解,馬丁](https://martinfowler.com/bliki/CircuitBreaker.html) 斷路器是將受保護的對象封裝在可以監控故障的斷路對象里面,當故障達到一定的值,將會引發跳閘,斷路器對象返回錯誤 * [ ] 圖解(斷路器模式狀態機): :-: ![](https://box.kancloud.cn/189e0a0608fecb68ab2bef9a39bdd601_469x410.png) * circuitBreaker.sleepWindowInMilliseconds:時間窗口 當斷路器打開,對主邏輯進行熔斷之后,Hystrix會開啟一個休眠時間窗口,將降級邏輯臨時提升為主邏輯,當休眠時間到期,斷路器將進入半開狀態,釋放一次請求到原來的主邏輯上,如果此次請求正常返回,那么斷路器將繼續閉合,主邏輯恢復,如果此次請求依然失敗,斷路器進入打開狀態,休眠時間窗繼續計時。 * circuitBreaker.requestVolumeThreshold : 設置在滾動窗口中斷路器的最小請求數 * circuitBreaker.errorThresholdPercentage : 斷路器打開的錯誤百分比條件 在配置文件中統一配置: ``` hystrix: command: default: execution: isolation: thread: timeoutInMilliseconds: 3000 getProductInfoList: execution: isolation: thread: timeoutInMilliseconds: 800 ```
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