Apache AsterixDB

Apache AsterixDB is a distributed, open-source BDMS that combines the flexibility of NoSQL with the power of parallel data processing. It uses its own JSON-like data model (ADM) and supports SQL++/AQL for expressive queries, along with a scalable engine (Hyracks) that executes across clusters.As an open-source alternative to systems like MongoDB, Apache Hive, Apache Spark, PrestoDB, and ClickHouse, AsterixDB stands out with built-in support for data ingestion pipelines (feeds), native indexing, and seamless querying of internal and external datasets (e.g., HDFS)

Key features include:

• Semi-structured model (ADM) plus SQL++/AQL for rich query capabilities
• Scalable parallel runtime via Apache Hyracks, tested across hundreds of nodes
• LSM-based storage & indexing, with support for B+ trees, R trees, and inverted indexes
• Native data feeds enabling fault-tolerant, continuous ingestion from sources like Twitter and RSS

Use cases include:

• Interactive analytics and visualization on large-scale social data
• Real-time ingestion and querying of stream-based event flows
• Unified data lake queries across internal and external sources
• Data warehousing with semi-structured JSON datasets