Solution : https://service.sap.com/sap/support/notes/569844 (SAP Service marketplace login required)
Key words :
cpu load reason, customizing tables completely, ipc server buffers, prior support package, ipc server, 0 support package 13, support package 8, support package 12, internet pricing, problem occurs
Related Notes :
486061 | How to get patches for CRM Internet Pricing Configurator |