LHCb Core Software Meeting

Date and Location

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


Anastasia Karachaliou, Ben Couturier, Illya Shapoval, Joel Closier, Liang Sun, Marco Cattaneo, Marco Clemencic (minutes), Markus Frank, Rob Lambert (Vidyo), Sebastien Binet (Vidyo) Sofia Qiriazi,



Round Table

Marco Cl.

  • CMake migration
    • Added support for LCG 68 and ROOT 6 (LCG 68_root6)
    • Missing projects:
      • Integration,. Rob: can be obsoleted
      • Kepler (to be added to the nightly builds)
  • ROOT 6
    • reverted nightly build slot to head version of ROOT
    • new issues to be understood (duplication of dictionary entries)
    • we need to start validation tests on the releases beta version
  • Coverity
    • misunderstanding with Benedikt: we need to ask Federico Carminati for a license
  • Gaudi
    • planning to modify the plugin service ( and the interface inheritance classes to use variadic templates (C++11)

Marco Ca.:

  • What about JIRA?
    Late... Marco Cl. and Ben will try to see with Illias


  • Should we move the deployment savannah to Service Now?


  • All problems in LCG 68 worked around (hacking binaries in place)
  • Issue with relocatabilty of Python (for setuptools)
  • We need to change all the passwords (including service accounts)
  • Testing on the caching of the branches (follow up of the work by Vanessa): no effect on analysis jobs (caching ineffective, often reading whole events)
  • Issue with Herwig++: using the wrong libreadline.so (the one coming from DIRAC, which is broken)


  • New release of Online v5r8
  • Migrating monitoring farm to SLC6
  • Request from LHCbDIRAC to have a monitoring of the Online farm


  • Going to change the external libraries to pick up the fixed OpenSSL

Marco Ca.

  • Will ask at PAC if we need new releases. Do we have anything


  • Progress in the GaudiHive project.


  • New tag broke Brunel tests
  • Discussing with Online people for the commissioning of Split HLT CondDB


  • Trying to build a web application to collect statistics on the nightly builds.


  • Implemented a telescope with DD4HEP
  • Investigating integration with Gaudi.


  • Completed the CMT part of the replacement of the configurables DB.


  • Some packages in a nightly build slot. Will report to Marco Cl. and Ben.

-- MarcoClemencic - 23 Apr 2014

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