ClickHouse、Dragoneer主導でシリーズDにて4億ドルを調達、分析・AIインフラのグローバル展開を加速（抄訳版)

ClickHouse, a leader in real-time analytics, data warehousing, observability, and AI/ML, announced its acquisition of Langfuse to enter the LLM observability market and introduced a native Postgres service to integrate transactional and analytical workloads. The company completed a Series D funding round, securing $400 million led by Dragoneer Investment Group, with participation from notable investors, and reported over 250% year-over-year ARR growth. ClickHouse Cloud supports over 3,000 customers, with recent expansions including Capital One and Airwallex, and maintains a strong customer base with major brands like Sony and Tesla. CEO Aaron Katz highlighted the platform's performance and cost-efficiency for demanding data workloads, enabling developers to build AI-driven applications on a robust infrastructure. Dragoneer emphasized ClickHouse's role in supporting large-scale AI systems with performance and reliability. Langfuse, focusing on LLM observability, has rapidly gained adoption and will enhance ClickHouse's offerings. Additionally, ClickHouse's new Postgres service, developed with Ubicloud, allows seamless integration of transactional and analytical processes for modern AI applications, underscoring ClickHouse's expanding global ecosystem and product growth.