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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Optimize your Delphi installed disk size

Posted by jpluimers on 2013/11/26

Another instalment in the WordPress Missed Schedule series (:

Each version, Delphi gets more features, and grows bigger.

Especially in testing environments (where you want to have a cut-down base machine you can clone from), it is wise to cut down on the installation size.

A few directories you might want to consider compressing for your Delphi installation:

  • C:\Users\All Users\{*}
    The directories with GUID names contain the installer cache. You can ditch the whole installer cache if you keep ISO images of all installations. I prefer just to compress these directories.
    Compressing usually saves 50% of the storage there, which can count for 5+ gigabyte of savings for the newest Delphi version.
  • C:\Users\Public\Documents\RAD Studio
    Contains (among others) the help files and SVN examples, and (for the most recent version) the Platforms SDKs.
    Saving is usually a couple of 100 megabytes for less recent Delphi versions until about 1 gigabyte for the most recent.
  • C:\Program Files (x86)\Embarcadero\RAD Studio\#.0\lib
    This contains all the precompiled files. Since they are readonly in nature, it pays of compressing them, usually saving 50% or more.
    Saves 5+ gigabytes for the most recent Delphi version.


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