快照视图和动态视图之间有什么区别？ [英] What are the differences between a snapshot view and a dynamic view?

问题描述

我在ClearCase中看到有一个快照视图和一个动态视图。这些类型的视图之间有什么区别（我假设只有两种类型的视图），什么时候才是合适的使用时间？

I have seen in ClearCase that there is a Snapshot view and a Dynamic view. What are the differences between these types of views (I'm assuming there are only two types of views) and when are the appropriate times to use them?

推荐答案

快照视图 基于本地文件系统（例如Subversion中的工作区）：

Snapshot views are based on the local filesystem (like a workspace in Subversion):

• 您可以将文件加载到硬盘上的任何位置


• 您必须' cleartool更新'刷新其内容

• you load files anywhere you want on your hard drive
• you have to 'cleartool update' to refresh its content

动态视图基于网络内容：它们表示网络内容（配置规范选择的远程VOB版本）的动态视图（如总是刷新）

Dynamic views are based on network content: they represent the dynamic (as in "always refreshed") view of a network content (the remote VOB versions selected by the config spec)

• 您只能通过动态视图安装点（在Windows上是 M：\ 或 / view 在Unix上：这是MVFS挂载点：MultiVersion文件系统）


• 您不必刷新它们

• you access them only through the "dynamic view" mount point (M:\ on Windows or /view on Unix: it is a MVFS mount point: MultiVersion Filesystem)
• you don't have to refresh them

请参见此SO答案的第二部分，用于讨论何时使用动态视图与快照。

除了快照视图外，我经常使用它们（动态视图） ，这意味着它是查看文件的好工具（例如，您可以使用动态视图来调整其配置规格，直到您会看到想要的内容，然后将这些选择规则复制到通常的快照视图中）

I often use them (the dynamic views) in addition of snapshot views, meaning it is a great tool to just "see" the files (you can for example use a dynamic view to tweak its config spec until you see what you want and then copy those select rules into your usual snapshot view)

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