究竟是什么的Windows Azure实例？ [英] What exactly are Windows Azure Instances?

问题描述

在Windows Azure的门户网站（如2013年1月的）我会得到什么，当我缩放的Windows Azure网站例如从1到6？这是否意味着会有我的网站6物理实例在同一台服务器上？在IIS条款有6运行所有的网站自动负载平衡？

On Windows Azure Portal ( as of Jan 2013) What do i get when i scale the Windows Azure Website instance from 1 to 6? Does it mean there will be 6 physical instances of my website on the same server? In IIS terms are there 6 running websites all automatically load balanced?

但是，从它指的是流程实例的帮助文本判断？如果是这样，我的网站将获得6个CPU，内存还是什么？

But judging from the help text it refers to instances as processes? If so, my website will get 6 CPUs, RAM or what?

干杯

推荐答案

Windows Azure的网站，不像Windows Azure的Web角色，是一个高密度多租户平台，不使用虚拟机作为一个尺度单位，但过程

Windows Azure Websites, unlike Windows Azure Web Roles, is a 'high-density' multi-tenancy platform which does not use virtual machines as a scale unit but processes.

当使用Web角色（或工作者角色，或者虚拟机为此事）每个实例相当于一个虚拟机，其规范'被选择的实例的大小决定的。

When you use Web Roles (or Worker Roles, or Virtual Machines for that matter) every instance equals a virtual machine whose 'specs' are determined by the instance size selected.

当你使用一个可以共享的实例，并保留实例之间选择的网站：

When you use WebSites you can chose between a shared instance and a reserved instance:

预留实例是pretty就像从一个刻度点Web角色如此规模的单位是虚拟机（你支付相应）

Reserved instances are pretty much like web roles from a scale point of view so the scale unit is of a virtual machine (and you pay accordingly)

共享实例使用在多租户可以在同一个虚拟机上存在高密度模式，但每一个都有它自己的进程通过沙箱由平台所提供的隔离。

Shared instances use the high-density model in which multiple tenant may exist on the same virtual machine but each has it's own process with isolation being provided by the platform through sandboxing.

在共享实例情况下，尺度单位不是整个机器，而是附加的过程，这是非常有可能的独立的虚拟机上运行。

In the shared instance case the scale unit is not an entire machine but rather an additional process, which is very likely to run on a separate virtual machine.

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