ShareChat transitioned from open-source Kafka to WarpStream to optimize their machine learning logging and handle their highly elastic workloads more efficiently. By adopting WarpStream's stateless architecture, ShareChat achieved significant cost savings and improved scalability, eliminating inter-AZ networking fees and reducing operational complexities associated with Kafka. The article details their testing results, showing WarpStream's advantages in throughput and cost-effectiveness compared to traditional Kafka setups.