Transaction: Key Pillar for Many Systems Alibaba. com S9.3 billion/day Demand speedy distributed Transaction Over large data volumes VPaL 9.56 million 6 million 12306] tickets/day payments/day 22 Transaction: Key Pillar for Many Systems Demand Speedy Distributed Transaction Over Large Data Volumes $9.3 billion/day 9.56 million tickets/day 11. 6 million payments/day