error resilience
时间: 2023-12-15 17:06:41 浏览: 34
Error resilience refers to the ability of a system to continue functioning despite encountering errors or failures. In the context of technology, error resilience can refer to the ability of software or hardware to recover from errors, such as crashes or data corruption, without causing significant disruptions to the system or the user. This can be achieved through various techniques, such as redundancy, error detection and correction, and fault tolerance. Error resilience is an important consideration in the design and implementation of critical systems, such as those used in aerospace, medical, and financial applications.
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resilience4j
Resilience4j是一个轻量级、易于使用的容错库,专为Java 8和函数式编程设计。它提供了多个组件来增强功能接口、lambda表达式或方法引用,包括断路器、速率限制器、重试、舱壁和超时控制等功能。其中,断路器组件实现了断路器功能,基于内存的断路器使用ConcurrentHashMap来实现。舱壁组件实现了依赖隔离和负载保护的功能。重试机制是在服务端处理客户端请求异常时开启的,服务端会每隔一段时间重试业务逻辑处理,如果在最大重试次数内成功处理业务,则停止重试,视为处理成功。如果在最大重试次数内处理业务逻辑依然异常,则系统将拒绝该请求。Resilience4j还提供了与Spring Boot 2集成的模块,包括断路器、重试、舱壁和速率限制器等。\[1\]\[2\]\[3\]
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spring cloud resilience4j
Spring Cloud Resilience4j是一个用于构建弹性和容错应用程序的框架。它提供了一组工具和库,可以帮助开发人员在分布式系统中实现故障转移和恢复。Resilience4j提供了一些常见的模式,如断路器、限流器、重试和超时,以帮助应用程序在面对故障时保持可靠性和可用性。它还提供了一些监控和度量工具,以帮助开发人员了解应用程序的性能和健康状况。Spring Cloud Resilience4j是Spring Cloud生态系统的一部分,可以与其他Spring Cloud组件(如Spring Cloud Circuit Breaker)一起使用,以构建更强大的弹性和容错应用程序。