mhhh, i don´t know. I have startet with 5 Threads:
Here are the Information from System and CPU Usage:
Here are the Information from System and CPU Usage:
Did some research about your cpu and after taking a look here: http://ark.intel.com/products/75789/Intel-Xeon-Processor-E5-2620-v2-15M-Cache-2_10-GHz
I think you should increase threads, looks like that cpu can support 12 threads, try 10 first to test and keep and eye on performance & temperature.