Question for all you gearheads out there. I'm currently running my Zimbra on Ubuntu 6.06 LTS on an IBM x330 server with a single 1.4GHz processor. Due to some reconfiguration I have a spare server that happens to have dual 1.4GHz processors. I'm thinking of using it as an excuse to upgrade to Ubuntu 8.04 LTS, but I've got two more years of 6.06 support so I'm in no hurry for that alone.
My question is, does anybody know whether Zimbra takes advantage of multiple processors in any way that would give me an advantage going from a single-CPU to a double-CPU of otherwise identical configuration?