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Add Cache Management Design #93

Description

@bcherrington

Description

Add design details for cache coherence, invalidation policies, and size management.

Rationale

Effective caching of metadata and content is essential for performance and offline functionality.

Impact

High - Would improve performance, reduce network traffic, and enable offline access.

Relevant Documentation

  • Requirements: NFR-PERF-003, FR-OFF-001
  • Architecture: SAS 3.2.4 (Key Abstractions - CacheManager)
  • Design: SDS 2.1.3 (Class Diagram - CacheManager class)
  • Implementation: fs/cache.go, fs/offline/cache.go

Implementation Notes

  • Design cache coherence mechanisms
  • Implement TTL-based expiration policies
  • Create size-based eviction strategies
  • Add priority-based caching for frequently accessed items
  • Implement cache validation and refresh mechanisms
  • Design cache persistence for offline access

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    documentationImprovements or additions to documentationenhancementNew feature or requestofflineOffline functionalityperformancePerformance improvements

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