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所在平台: Udemy |
课程主页: https://www.udemy.com/course/serverless-computing-preparation-practice-tests/
课程评论：没有评论
课程名称：无服务器计算准备实践测试 课程概述： 无服务器计算是一种云计算模型，使开发者能够构建和部署应用程序，而无需管理底层基础设施。在无服务器环境中，云服务提供商会根据应用程序的需求自动分配和扩展所需资源。这个模型抽象了服务器管理的复杂性，使开发者可以专注于编写代码和实现业务逻辑。虽然“无服务器”一词可能有些误导，但实际上仍然涉及服务器，只是它们的管理和扩展完全由云提供商（如AWS Lambda、Azure Functions或Google Cloud Functions）处理。 无服务器计算的一个主要优势是其可扩展性。应用程序可以根据流量自动向上或向下扩展，而无需人工干预，这使其高度高效和经济，特别适合需求变化多端的工作负载。此外，无服务器计算遵循按需付费模型，这意味着用户仅为代码的实际执行时间付费，而非预分配的服务器容量。这可以显著节约成本，尤其适用于使用模式不确定或间歇性的应用程序。 无服务器计算还通过简化部署和维护任务加速开发过程。开发者可以在不担心服务器配置、补丁或扩展问题的情况下部署更新或新功能。这种快速部署能力支持敏捷开发实践，使企业能够快速响应市场需求或用户反馈。此外，无服务器函数的模块化特性促进了微服务架构的实施，使应用程序的各个组件可以独立开发、部署和扩展，从而提高了应用设计的灵活性和弹性。
Serverless Computing is a cloud computing model that allows developers to build and deploy applications without the need to manage the underlying infrastructure. In a serverless environment, the cloud provider automatically allocates and scales the necessary resources based on the application's demand. This model abstracts the complexities of server management, enabling developers to focus solely on writing code and implementing business logic. The term "serverless" is somewhat misleading because servers are still involved, but their management and scaling are entirely handled by the cloud provider, such as AWS Lambda, Azure Functions, or Google Cloud Functions.One of the key advantages of serverless computing is its scalability. Applications can automatically scale up or down in response to traffic without any manual intervention, making it highly efficient and cost-effective, especially for workloads with variable demand. Additionally, serverless computing follows a pay-as-you-go model, meaning that users are only charged for the actual execution time of their code, rather than for pre-allocated server capacity. This can lead to significant cost savings, particularly for applications with unpredictable or intermittent usage patterns.Serverless computing also accelerates the development process by simplifying deployment and maintenance tasks. Developers can deploy updates or new features without worrying about server configurations, patches, or scaling concerns. This rapid deployment capability supports agile development practices and allows businesses to quickly respond to market demands or user feedback. Furthermore, the modular nature of serverless functions encourages a microservices architecture, where individual components of an application can be developed, deployed, and scaled independently, promoting greater flexibility and resilience in application design.
