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Nevin Dong's Blog
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Related Posts
Blog Post:
从Web Server向Azure WebSites迁移的利器(Migration Assistant)
Nevin (Naiwen) Dong
将Web应用迁移到云端,常见的做法是采用IaaS模式,即创建虚拟机(Virtual Machine,VM)并在上面分别部署Web Server、Database Server、Cache Server、DNS Server等;当访问负荷增大的时候,则增加虚拟机的数量来实现伸缩。 之前曾讨论过,可以将数据库服务器(Database Server)采用Platform as a Server(PaaS)模式来提供,也有相关的 迁移工具来帮助从SQL Server迁移到Azure SQL Database 。 Azure网站(WebSites)是一种完全托管的平台即服务 (PaaS) 产品,便于快速高效地构建...
on
25 Dec 2014
Blog Post:
Windows Azure中国区开始支持实现自动伸缩(AutoScale),目前处在预览阶段(Preview)
Nevin (Naiwen) Dong
目前,Windows Azure中国区开始支持实现自动伸缩(AutoScale),不过尚处在预览阶段(Preview)。 如下图,点击云服务的“仪表盘”上,可以看到下面提供了“自动缩放状态”的功能。用户可以配置自动缩放,也可以浏览自动缩放操作日志。 而配置自动缩放,也是非常的方便、快捷。如下图,在功能菜单的“缩放”栏下,可见: 一个需要注意的是:自动缩放要求可用性集(Availability Set)中所有虚拟机大小相同,才能开始自动缩放配置。 对于更详细地了解自动缩放,不妨参考前阶段的文章:Windows Azure支持实现自动伸缩(AutoScale) http://blogs.technet...
on
3 Apr 2014
Blog Post:
Windows Azure设计模式(Design Patterns)及使用
Nevin (Naiwen) Dong
2 月初,微软 patterns & practices ( P&P )组发布了面向 Windows Azure 的设计模式( Design Patterns ),提供了丰富的设计模式、指导和样例代码等资源。 具体请见: http://msdn.microsoft.com/en-us/library/dn568099.aspx 目前,网站中提供了 24 个设计模式,即: Cache-Aside Pattern Circuit Breaker Pattern Compensating Transaction Pattern...
on
24 Feb 2014
Blog Post:
通知中心(Notification Hub)伸缩性(Scalability)、使用情况(Usage)监控及相关定价(Pricing)的考虑
Nevin (Naiwen) Dong
微软 Windows Azure 云服务中,通知中心( Notification Hub )提供了能够支撑超百万级设备互联的利器。具体见下面的文章: http://blogs.technet.com/b/nevin_dongs_blog/archive/2013/11/16/windows-azure-notification-hub.aspx 需要注意的是,目前在管理门户( Management Portal )中的 ” 设置( Setting ) “ 的 ” 使用情况( Usage ) “ 中,目前列出的是内核数、云服务数量...
on
20 Jan 2014
Blog Post:
Windows Azure支持实现自动伸缩(AutoScale)
Nevin (Naiwen) Dong
伸缩性是云计算的关键属性之一,能够根据计算需求和资源池的情况进行资源的调整,实现弹性的计算。之前对基于Windows Azure如何实现伸缩性进行了相关研究和分析,具体可见: · 使用Windows Azure Service Management REST API进行伸缩性管理 http://blogs.technet.com/b/nevin_dongs_blog/archive/2013/02/27/windows-azure-service-management-rest-api.aspx · 对于Windows Azure Management Portal的交互方式和Windows...
on
28 Aug 2013
Blog Post:
Windows Azure 张开手臂,拥抱更多类型的虚拟机镜像(Virtual Machine Image)
Nevin (Naiwen) Dong
在Windows Azure中,开始提供越来越多新的虚拟机镜像(Virtual Machine Image)类型,如下图所示: 其中,比较有趣的是: . 一系列的针对Oracle数据库(Database)12系列、中间件(WebLogic Server)11系列的服务器,其中既有Windows Server 2012的,也有基于Linux的(目前看到的是Oracle Linux 6.4.0.0.0)。目前这些都在预览(Preview)阶段。 . Linux新增的Oracle Linux 6.4.0.0.0。目前已经是正式版。 . Java Platform,包括Standard Edition...
on
31 Oct 2013