Re: [ROOT] Increasing ".root" file size

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue May 15 2001 - 17:34:58 MEST


Hi Malcom,

The holes in Root files are reused, and we never decrease the file size.

Rene Brun

Malcolm Davidson wrote:
> 
> Dear Rooters,
> 
> I'm a little confused concerning the way the objects within root files are
> managed. I've just deleted a whole series of trees from a given file to
> free some disk space, only to find out that the total file size before and
> after remains the same.
> 
> If this is the normal behaviour (e.g. because of these mysterious "free"
> blocks I read about in the documentation) how do I reclaim this "lost"
> space then ?
> 
> Many thanks in advance for any help.
> 
> Malcolm
> 
> <>------------------------------------------------<>
> Malcolm W. J. Davidson
> CESBIO - UMR 5639 CNES-CNRS-UPS
> 18 Avenue Edouard Belin
> BP 2801
> F-31401 Toulouse Cedex 4  France
> e-mail : davidson@cesbio.cnes.fr
> phone (33)(0)5.61.55.85.84
> fax   (33)(0)5.61.55.85.00
> <>------------------------------------------------<>



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