LHCb Core Software Meeting

Date and Location

May, 14 2008
10:30 - 12:00
CERN (2-R-030)


Dirk Duellmann, Hubert, Marco Ca., Marco Cl. (minutes), Markus, Olivier, Patrick (EVO), Witek Pokorski


Specific Topics

POOL review

Witek and Dirk came to the LHCb Core Software Meeting to check with us the way LHCb uses the components in POOL (see the slides).

The aim of the review is to define what can be done in terms of clean up of the code. In the process, a new CVS or SVN repository will be created (which will host CORAL and COOL too).

The first thing that we pointed out is that we are not using the POOL XMLFileCatalog anymore, but we have our own implementation. Thus the only components of POOL that we are using are:

  • StorageSvs
  • RootStorageSvc

Markus said that we had some internal discussion (without any decision yet) about the possibility of use directly ROOT for our persistency (with a format compatible with POOL).
For sure we are not going to change this year and it is hard to tell if we will ever change.

Marco Ca. mentioned that, in the second half of the year (as soon as ROOT 5.20 is released), we want to test the new ROOT schema evolution framework. We need that POOL allows us to do it (either with direct access to the underlying ROOT or with some API).

Marco Ca. also expressed interest in a packaging of POOL that allows better control of which releases we need (i.e. only those affecting the 2 services we are using).


Software Releases

Gaudi (Hubert, Marco Cl.)

LHCb, Boole, Brunel (Marco Ca.)

Gauss (Gloria)

HLT (Patrick)

DaVinci (Juan)

OnLine (Markus)

Panoramix (Thomas)

Release and Deployment (Hubert)

Round Table


-- MarcoClemencic - 14 May 2008

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Topic revision: r1 - 2008-05-14 - MarcoClemencic
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