LHCb Core Software Meeting

Date and Location

11 Jun 2014
10:30 - 11:10
CERN (2-R-030)


Alex Grecu, Anastasia Karachaliou, Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Marco Cattaneo, Marco Clemencic (minutes), Markus Frank, Sofia Qiriazi


Sebastien Binet



Round Table

Marco Cl.


  • For the tuning of the generators we need some extra libraries in LCG externals
    • the list will be sent to Marco Cl. and Ben (will not be possible to have them in LCG 69, but they can be in the following one)
  • Intermediate plots produced by Rivet should be stored in a common place and then merged
    • there are mechanisms in Dirac that can be used, but the responsible should discuss with the Dirac developers
    • Alex will call for a meeting with the relevant people

Marco Ca.

  • Started releasing the new stack, testing the new automated build in parallel.
  • Rebuilt the debug version of Gauss


  • Working on GaudiHive to improve the scheduler.
  • Improvements to Ariadne for CondDB.
  • Sharing the Neo4J instance between Ariadne and the Software Database


  • Getting back on the builds on LCG 68.
  • Provided the list of generators versions for LCG 69.
  • Issue with Gauss visualization tool (to be discussed offline)


  • Problems with CVMFS in the Online: misconfiguration
  • Software Configuration Database now in production (and secured)
    • it also produces the list of projects to build in the nightlies
  • For the release automation we now need to build RPMs.


  • Problem with LCG 68 (may be the version of Python)
  • Service Now Software Deployment page in production: Marco Ca. will start testing it.
    • if it works we enable redirection from Savannah


  • Working on the release dashboard (will need some input from Marco Cl.)


  • Trying to interrogate the LCDD service from an algorithm, but there are some problems.

-- MarcoClemencic - 11 Jun 2014

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