Matthew J. Roth wrote:
In fact, it seems that somewhere between 200 and 300 calls, the two servers start to exhibit similar idle times despite one of them having twice as many cores.
Sounds like you are running into the hardware limitations of your systems PCI or "Front Side Bus" (FSB) and not necessarily an issue of asterisk. In short there is a limited amount of bandwidth on the computer's PCI Bus (33 MHz) and the FSB (100-800MHz). One thing to remember is that ALL cores and data streams need to share the PCI and FSB. Asterisk is very processor and memory intensive. At the extreme level of usage more cores won't help if data is "stuck in the pipe". So the performance planing you described would be expected.
Mark C. _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
