Instruct the audience for achieving high throughput online exports of charged events with in-memory data only. In this talk Teo will present the mechanisms implemented to achieve straight in-memory processing with online exports for events to be charged by CGRateS, without the need for further storing them. Following CGRateS modules will be covered: ERs, SessionS, CDRs, RALs, AttributeS, EEs. CGRateS is a battle-tested Enterprise Billing Suite with support for various prepaid and postpaid billing modes.