stock-bot/docs/data-services/README.md

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Data Services

Data services manage data storage, processing, and discovery across the trading platform, providing structured access to market data, features, and metadata.

Services

Data Catalog

  • Purpose: Data asset management and discovery
  • Key Functions:
    • Data asset discovery and search capabilities
    • Metadata management and governance
    • Data lineage tracking
    • Schema registry and versioning
    • Data quality monitoring

Data Processor

  • Purpose: Data transformation and processing pipelines
  • Key Functions:
    • ETL/ELT pipeline orchestration
    • Data cleaning and normalization
    • Batch and stream processing
    • Data validation and quality checks

Feature Store

  • Purpose: ML feature management and serving
  • Key Functions:
    • Online and offline feature storage
    • Feature computation and serving
    • Feature statistics and monitoring
    • Feature lineage and versioning
    • Real-time feature retrieval for ML models

Market Data Gateway

  • Purpose: Market data storage and historical access
  • Key Functions:
    • Historical market data storage
    • Data archival and retention policies
    • Query optimization for time-series data
    • Data backup and recovery

Architecture

Data services create a unified data layer that enables efficient data discovery, processing, and consumption across the platform. They ensure data quality, consistency, and accessibility for both operational and analytical workloads.