Tim delves into the advanced aspects of Apache Pinot's architecture, highlighting its design for executing low-latency queries on both batch and streaming data with high concurrency. Discover how Pinot's architecture, fundamentally optimized for filtering and aggregation, excels in efficiently processing typical query patterns. Additionally, this module introduces the multi-stage query engine, a vital feature in Pinot 1.0, which expands capabilities for handling complex queries like inner joins, thereby enhancing the range of use cases and SQL support in Pinot.