ROOT I/O Workshop, Winter 2016/17

Wednesday 8 Feb 2017, 16:00 → 19:50 Europe/Zurich

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 http://datashape.readthedocs.io/en/latest/overview.html
• Check on ‘muon’ and jet slowness.
• Dig up I/O performance presentation.
  
  
  
  
   

16:00 → 16:05 Introduction

Speaker: Mr Philippe Canal (FERMILAB)

16:05 → 16:15 ROOT I/O

Speaker: Mr Philippe Canal (FERMILAB)

Slides 2017-02-IOWorkshop.pptx

16:15 → 16:30 CMS/DIANA I/O Update

Speaker: Dr Brian Bockelman (University of Nebraska-Lincoln)

Slides ROOT_Workshop_Feb_2017.pdf zlibvslz4presentation.pdf

16:30 → 16:50 ROOT I/O for JVM and Applications for Apache Spark

Speaker: Viktor Khristenko

Slides rootio_08022017.pdf

16:50 → 17:10 Survey of columnar file formats and the techniques they use

Speaker: Dr Jim Pivarski (Fermilab)

Slides 2017-02-08-rootio-survey.pdf

17:10 → 17:30 Executing code on columnar data: the translation problem and formats that help

Speaker: Dr Jim Pivarski (Fermilab)

Slides 2017-02-08-rootio-femtocode.pdf

17:30 → 18:00 Discussions