Re: [ROOT] TChain merge

From: Rene Brun (Rene.Brun@cern.ch)
Date: Mon May 12 2003 - 10:36:34 MEST


Hi Andres,

In the version 3.05, TChain::SetMaxMergeSize() is replaced by
TTree::SetMaxTreeSize.

Note that you cannot write files bigger than 2 GBytes. When writing
a Tree or TChain bigger than the limit specified in TTree::SetMaxTreeSize
Root will automatically create a new file.

Rene Brun

"Andres F. Osorio" wrote:
> 
> Dear Rooters,
> 
> As far as I can see the TChain::SetMaxMergeSize() member funtion is not
> present in the recent root realeases. What I want to do is to merge
> several root files to one that will have a size > 1.9 G. If this is
> possible, then how to do it?
> 
> Many thanks,
> 
> Andres
> Using Root: 3.05.05 on RedHat 7.3



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