Johan De Gelas

Head of Server Research, Howest - Sizing Servers

Johan started his career at the Fortis Bank in 1995, first as an IT-analyst, later as member of the SAP ERP-implementation team. Since 1998 he was active as a technical writer about server technology for ZDNet, ITProfessional and Since 2001, he has been combining this with a job as senior lecturer of datacenter technology and networking at the University College Howest (Kortrijk, Belgium). In 2003, he started the Sizing Servers Lab up. The lab specializes in independent benchmarking and testing of virtualization, database and power management technology. The Sizing Server Lab has conducted research for Intel, AMD, Facebook, Terremark and tens of small innovative Flemisch SMEs.


Many administrators still feel that virtualizing your database is not a best practice. Tons of tips and tricks and white papers about the subject are available, but they only seem to add to the confusion.