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Optimized for large files with memory caching and duplicate prevention

Performance Features

  • Memory Caching: Existing records preloaded to memory for instant duplicate checking
  • Large Batch Processing: Processing 5,000 records per batch for maximum efficiency
  • Transaction Optimization: Smart commit intervals to prevent memory overload
  • Streaming Processing: Files processed in streams to minimize memory usage
  • Duplicate Prevention: 100% duplicate-free guarantee with real-time tracking