On 04/05/2011 12:39 PM, Luc MAIGNAN wrote: > It is a 6 x Quad-Core server with virtualization support enabled (runs > on RHEL 5) Are you sure the problem is that you are CPU bound? Could this be a memory or disk i/o issue? -- Digimer E-Mail: digimer at alteeve.com AN!Whitepapers: http://alteeve.com Node Assassin: http://nodeassassin.org