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DayTrader#

Online stock trading benchmark application demonstrating real-world Java EE workload patterns.

Overview#

DayTrader is a performance benchmark application that implements a complete online stock trading system. It includes user authentication, portfolio management, stock quote lookup, and buy/sell transaction processing. This application is commonly used for measuring application server performance and scalability.

Key Technologies#

  • Stateless Session Beans - Business logic tier
  • JPA - Entity persistence
  • Optimistic Locking - Concurrency control
  • Transaction Management - ACID properties
  • Connection Pooling - Resource optimization
  • Web Services - SOAP and REST interfaces

Architecture Highlights#

  • Performance-oriented design patterns
  • High-concurrency transaction processing
  • Database optimization with connection pooling
  • Optimistic locking for concurrent data access
  • Stateless architecture for horizontal scalability
  • Comprehensive transaction management
  • Multiple interface options (Web, SOAP, REST)