Logpresso Sonar Light is a machine data platform designed for collecting, analyzing, and searching log data at scale. The platform can collect up to 3 million logs per second on a single machine with fulltext indexing enabled. The system provides streaming processing and batch analytics capabilities using over 300 commands and functions. It supports heterogeneous join operations for analyzing machine data across different sources. The query syntax remains consistent between streaming and batch processing modes. The platform features a schema-less column storage engine combined with a vectorized query engine that enables real-time drilldown capabilities without requiring summary indexes or materialized views. Users can customize dashboards with input controls and configure drilldown events. Logpresso Sonar Light utilizes multi-core processors and SIMD instructions for performance optimization. The architecture is built on big data research spanning 13 years. The platform includes an app ecosystem through Logpresso Store, allowing users to integrate on-premise solutions, cloud services, and SaaS platforms. Users can build and share custom apps without coding requirements. The system supports interactive data exploration and visualization through customizable dashboards. Query capabilities are documented in a comprehensive reference guide covering the available commands and functions.