auto scaling是什么意思

{"optioninfo":{"dynamic":"true","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"icon","icon":"ess","iconImg":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","contentLink":"https://www.aliyun.com/product/ecs/ess","title":"弹性伸缩","des":"弹性伸缩根据用户的策略定义和业务需求变化，动态调整弹性计算资源，在有效支撑业务负载变化的同时保持最合理经济的费用开支。无需人工干预，即可应对各种复杂场景，真正实现对业务负载的弹性处理能力。","btn1":"立即使用","link1":"https://common-buy.aliyun.com/?spm=5176.14215439.J_3034963950.1.2aa86fc0tLrzJC&commodityCode=ess","btn2":"产品文档","link2":"https://help.aliyun.com/product/25855.html","btn3":"","link3":"","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"免费使用","firstContentLink":"https://help.aliyun.com/document_detail/25923.html","lastContentName":"","lastContentLink":""}},{"infoName":"快速入门","infoContent":{"firstContentName":"手把手创建弹性伸缩","firstContentLink":"https://yq.aliyun.com/articles/68824?spm=5176.14215439.J_3034963950.3.2aa86fc0tLrzJC","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/25967.html?spm=5176.2020520114.999.6.2ded558a1hbKnv"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"部署高可用计算集群","firstContentLink":"https://help.aliyun.com/document_detail/148121.html","lastContentName":"扩缩容策略降低成本","lastContentLink":"https://help.aliyun.com/document_detail/102992.html"}}]}],"card":[{"link":"#","icon":"https://img.alicdn.com/tfs/TB1afahQpXXXXaAapXXXXXXXXXX-114-114.png","title":"云服务器ECS","des":"云服务器（Elastic Compute Service，简称 ECS）是一种简单高效、处理能力可弹性伸缩的计算服务，帮助您快速构建更稳定、安全的应用，提升运维效率，降低 IT 成本，使您更专注于核心业务。","btn1":"FPGA云服务器","link1":"#","btn2":"GPU云服务器","link2":"#","tip":"新一代云服务器N5 （Xeon® (Skylake)处理器）上线！<a href=\"#\" target=\"_blank\">立即申请</a>"}],"search":[{"txt":"云数据库","link":"#"}],"infoCard":[{"fontSwitch":"shallow","bannerTitle":"","bannerUrl":"https://img.alicdn.com/tfs/TB1jLHUG1H2gK0jSZJnXXaT1FXa-1740-328.png","bannerContent":"","liveButtonName":"","liveButtonLink":"","homePageName":"","homePageLink":"","contentTitle":"","linkGroup":[{"linkContent":"","linkTo":"","link":""}]}],"title":{"mainTitle":"云原生助力企业全面拥抱云计算","subtitle":"这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍。","linkUrl":"#1","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB14iILhgDqK1RjSZSyXXaxEVXa-286-101.jpg","icon":"aliyun-icon-play","textColor":"light"},"dataList":[{"summary":"云原生助力企业全面拥抱云计算","author":"叔同（阿里巴巴研究员、阿里云原生应用平台负责人）","linksUrl":""}],"sceneCard":[{"title":"云计算试飞员老蒋开课啦！第一期：电商网站搭建","des":"这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。","btn":"立即观看","link":"#","image":"https://"}],"txt":[{"title":"适用场景","scenariosone":[{"txtone":"小型电商：支持访问50万PV,一段场景方案的介绍。","txttwo":"产品推荐","product":[{"name":"ECS 2核4G 40G数据盘 5M带宽","link":"#"}]}]}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"true","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"icon","icon":"ess","iconImg":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","contentLink":"https://www.aliyun.com/product/ecs/ess","title":"弹性伸缩","des":"弹性伸缩根据用户的策略定义和业务需求变化，动态调整弹性计算资源，在有效支撑业务负载变化的同时保持最合理经济的费用开支。无需人工干预，即可应对各种复杂场景，真正实现对业务负载的弹性处理能力。","btn1":"立即使用","link1":"https://common-buy.aliyun.com/?spm=5176.14215439.J_3034963950.1.2aa86fc0tLrzJC&commodityCode=ess","btn2":"产品文档","link2":"https://help.aliyun.com/product/25855.html","btn3":"","link3":"","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"免费使用","firstContentLink":"https://help.aliyun.com/document_detail/25923.html","lastContentName":"","lastContentLink":""}},{"infoName":"快速入门","infoContent":{"firstContentName":"手把手创建弹性伸缩","firstContentLink":"https://yq.aliyun.com/articles/68824?spm=5176.14215439.J_3034963950.3.2aa86fc0tLrzJC","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/25967.html?spm=5176.2020520114.999.6.2ded558a1hbKnv"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"部署高可用计算集群","firstContentLink":"https://help.aliyun.com/document_detail/148121.html","lastContentName":"扩缩容策略降低成本","lastContentLink":"https://help.aliyun.com/document_detail/102992.html"}}]}],"card":[{"link":"#","icon":"https://img.alicdn.com/tfs/TB1afahQpXXXXaAapXXXXXXXXXX-114-114.png","title":"云服务器ECS","des":"云服务器（Elastic Compute Service，简称 ECS）是一种简单高效、处理能力可弹性伸缩的计算服务，帮助您快速构建更稳定、安全的应用，提升运维效率，降低 IT 成本，使您更专注于核心业务。","btn1":"FPGA云服务器","link1":"#","btn2":"GPU云服务器","link2":"#","tip":"新一代云服务器N5 （Xeon® (Skylake)处理器）上线！<a href=\"#\" target=\"_blank\">立即申请</a>"}],"search":[{"txt":"云数据库","link":"#"}],"infoCard":[{"fontSwitch":"shallow","bannerTitle":"","bannerUrl":"https://img.alicdn.com/tfs/TB1jLHUG1H2gK0jSZJnXXaT1FXa-1740-328.png","bannerContent":"","liveButtonName":"","liveButtonLink":"","homePageName":"","homePageLink":"","contentTitle":"","linkGroup":[{"linkContent":"","linkTo":"","link":""}]}],"title":{"mainTitle":"云原生助力企业全面拥抱云计算","subtitle":"这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍。","linkUrl":"#1","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB14iILhgDqK1RjSZSyXXaxEVXa-286-101.jpg","icon":"aliyun-icon-play","textColor":"light"},"dataList":[{"summary":"云原生助力企业全面拥抱云计算","author":"叔同（阿里巴巴研究员、阿里云原生应用平台负责人）","linksUrl":""}],"sceneCard":[{"title":"云计算试飞员老蒋开课啦！第一期：电商网站搭建","des":"这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。","btn":"立即观看","link":"#","image":"https://"}],"txt":[{"title":"适用场景","scenariosone":[{"txtone":"小型电商：支持访问50万PV,一段场景方案的介绍。","txttwo":"产品推荐","product":[{"name":"ECS 2核4G 40G数据盘 5M带宽","link":"#"}]}]}]}}

弹性伸缩

弹性伸缩根据用户的策略定义和业务需求变化，动态调整弹性计算资源，在有效支撑业务负载变化的同时保持最合理经济的费用开支。无需人工干预，即可应对各种复杂场景，真正实现对业务负载的弹性处理能力。

优惠活动

快速入门

最佳实践