[ROOT] Re: Size limit for a ROOT file

From: Andriy Zatserklyaniy (zatserkl@fnal.gov)
Date: Sat Jun 26 2004 - 03:40:36 MEST

Hi, Stelios,

When ROOT raches 2Gb limit (== signed int == 2**31 - 1) it automatically
closes current file end creates new one with old name extended by _1, _2,
etc. before suffix .root. To close final file you can use for your tree



On Fri, 25 Jun 2004, Stilianos Kesisoglou wrote:

> Hi,
> Is there any limit for the size that a ROOT file can have?
> I was running a selection macro on a number of files and my macro
> terminated normally (i.e without errors) when the size of the output file
> reached 1.7 GB. I know that this isn't the end since the original files
> have around 600000 events, and I went through only the first 200000.
> Can I force ROOT to make multiple output files?
> Thanks,
> Stelios.

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