Reduced 80% cost! Didi's Journey from multiple OLAP engines to StarRocks

Didi Chuxing Technology Co., Ltd., commonly known as Didi, is a Chinese multinational ride-sharing company headquartered in Beijing. It is one of the world’s largest ride-hailing companies, serving 550 million users across over 400 cities. A total of 7.43 billion rides were completed on DiDi’s platform in 2017.