ROOT I/O Workshop, Winter 2016/17

Danilo Piparo (CERN), Philippe Canal (FERMILAB)
Workshop to discuss the current bottlenecks in ROOT I/O and any potential solution.
See the presentations of the previous workshop

New Vidyo room:
Name: ROOT_IO_Workshop
Description: February 2018 ROOT IO workshop
Extension: 10401125
Auto-join URL
Useful links: Phone numbers
Actions Items:
  • Assign a few issues to IO developers
  • Take a look at bulk API proposal.
  • Collaboration between DIANA and student on github/jenkins/travis.
  • Service/repository for ROOT Files candles.
  • Update ROOT web site to advertise spark-root.
  • Add (if needed) JIRA ticket on integer compressiom
  • Check on Datashape
  • Check on ‘muon’ and jet slowness.
  • Dig up I/O performance presentation.

There are minutes attached to this event. Show them.
    • 4:00 PM 4:05 PM
      Introduction 5m
      Speaker: Mr Philippe Canal (FERMILAB)
    • 4:05 PM 4:15 PM
      ROOT I/O 10m
      Speaker: Mr Philippe Canal (FERMILAB)
    • 4:15 PM 4:30 PM
      CMS/DIANA I/O Update 15m
      Speaker: Dr Brian Bockelman (University of Nebraska-Lincoln)
    • 4:30 PM 4:50 PM
      ROOT I/O for JVM and Applications for Apache Spark 20m
      Speaker: Viktor Khristenko
    • 4:50 PM 5:10 PM
      Survey of columnar file formats and the techniques they use 20m
      Speaker: Dr Jim Pivarski (Fermilab)
    • 5:10 PM 5:30 PM
      Executing code on columnar data: the translation problem and formats that help 20m
      Speaker: Dr Jim Pivarski (Fermilab)
    • 5:30 PM 6:00 PM
      Discussions 30m