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    <p>Branched files are not copied within the TFS database. A new version of the file will not be created until the branched version is modified. This is why creating a branch on a large project does not take forever.</p> <p><strong>Source:</strong></p> <p><a href="http://www.codeplex.com/BranchingGuidance/Wiki/View.aspx?title=Isolation%20for%20Collaboration&amp;referringTitle=Home" rel="noreferrer">http://www.codeplex.com/BranchingGuidance/Wiki/View.aspx?title=Isolation%20for%20Collaboration&amp;referringTitle=Home</a></p> <p>The fourth paragraph under branching explains that it does not create a separate copy of identical files:</p> <blockquote> <p>Creating branches uses very little additional storage space. The server minimizes the storage required by only keeping one copy of identical content no matter how many different files are contained in the folder. So, if you have 100 copies of a 1 MB file and all of the files are identical, the server will store only 1 MB, not 100 MB. When you create a new branch and commit, all of the files in the new branch that are identical to the files in the source branch point to the same content. The result is that a branch consumes very little additional storage space, and that storage space expands only when the branched file becomes different than the source. And even when files change, Team Foundation Server employs a differencing engine to analyze changes between files and once again optimize storage space.</p> </blockquote> <p>Microsoft Branching Guidance PDF:</p> <p><a href="http://geeks.netindonesia.net/downloads/etc/TFS-Branching.pdf" rel="noreferrer">http://geeks.netindonesia.net/downloads/etc/TFS-Branching.pdf</a></p>
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    1. POIs a TFS branch a physical or logical snapshot?
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    1. USJim Petkus
    1. USJim Petkus
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    1. POIs a TFS branch a physical or logical snapshot?
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    1. COExcellent - that is exactly what I was looking for. Thanks!
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      1. USJordan Parmer
    2. CODownvote with no comment? This quote is directly from the Microsoft Branching guidance document and I have found it to be 100% accurate. We create branches on a very large project and the branches are created nearly instantly and take very little storage space.
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      1. USJim Petkus
    3. COPersonal experience: with TFS making a branche would cost significant time while it is instantaneous now we have migrated to Subversion. I'm not sure about the inner workings, but TFS does more than a small administrative transaction.
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      1. USTeun D
 

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Guidance
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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