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[Archived] AskInga Wiki Does Design History really increase the file size two-fold
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    Does Design History really increase the file size two-fold

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    Original Tip Date: Jul 9, 2007

    Does Design History really increase the file size two-fold?
     
    Keith Bentley provides this excellent explanation:

    Suppose you take a 500K file and enable Design History. Your file will immediately double in size
    for the first commit, since your file now will have two copies of every element: the live state and the history state. At this point your file is 1MB. Now let's say you edit the file and modify 10 elements and perform a Design History commit. The new file will be 1MB + 10 elements which might add up to 1.01MB.

    As a general rule of thumb, enabling Design
    History will increase your disk size of your DGN's by a factor of 2.5. Note that 2.0 is a minimum since each element is always stored at least twice; once in the live state once in the history state. The 0.5 is an average amount of "churn" over an average project lifecycle.

     

    AskInga Tip #726

    • Design History
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    • Nicholas Fuschino Created by Bentley Colleague Nicholas Fuschino
    • When: Tue, Jun 17 2008 1:59 PM
    • Inga Morozoff Last revision by Bentley Colleague Inga Morozoff
    • When: Thu, Jun 10 2010 10:34 AM
    • Revisions: 2
    • Comments: 0
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