We are currently running Wily APM 10.7.3 and are planning an upgrade to HF84 then 10.8. Does Broadcom recommend any additional server capacity to accommodate the new version?
Release : 10.7.0
Did you check out the APM 10.8 Sizing section? There is a sizing calculator and details . From running that, you can see if additional hardware/more memory or CPU is needed.