Columnar database system supporting real-time OLTP and OLAP workloads.
Core contributor in a team of 5:
- Implemented buffer pool and memory management
- Implemented full query engine supporting CRUD operations, versioned queries, and range aggregation (sum)
- Designed JSON-based persistence layer
- Designed and implemented concurrent merge logic
- Contributed to system architecture, metadata design, and merge pipeline stabilization
Tech: Python, Multithreading, Database Systems, Concurrency Control
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