Voxxed Days CERN 2019

Session

Byte-sized talks from CERN engineers - Main Auditorium

1 May 2019, 12:20

500/1-001 - Main Auditorium (CERN)

Description

Refuel and network – or take in some of the great Quickie sessions taking place during lunch

16. The code is back to the database with Oracle MLE (GraalVM): Python and JavaScript in the DB

Franck Pachot

01/05/2019, 12:25

Quickie

Because of the lack of support for modern agile interpreted languages, the software architects have moved the logic execution out of the database. Oracle Labs is building a polyglot engine with GraalVM, and integrates it to the Oracle and MySQL RDBMS. Currently in beta, this scales the database applications by avoiding the CPU context switches between the procedural code and the persistence...

17. The CERN Cloud Infrastructure: 5 years in 15 minutes

Daniel Abad (CERN)

01/05/2019, 12:45

Quickie

In 2012, at CERN we started the deployment of our private Cloud Infrastructure using OpenStack. Since then we have moved from a few hundred cores to a multi-cell deployment spread between two data centres. After 6 years deploying and managing OpenStack at scale, we now look back and discuss the challenges of building a massive scale infrastructure from 0 to +300K cores. With this talk we will...

18. Puppet + containers = multi-tenancy

David Moreno Garcia (CERN)

01/05/2019, 13:05

Quickie

The CERN IT infrastructure consists of more than 40000 Puppet-managed virtual and physical machines located in two data centres. All the Puppet catalogs are served by a shared pool of almost 200 Puppet Servers regardless of the organisational unit from which the requests come. This deployment might lead to security risks as the number of nodes and personnel writing Puppet code increases.

The...