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feat: Add lazy initialization and feature service caching by franciscojavierarceo · Pull Request #5924 · feast-dev/feast · GitHub
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feat: Add lazy initialization and feature service caching #5924

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Merged
franciscojavierarceo merged 5 commits into from
Jan 30, 2026
Merged

feat: Add lazy initialization and feature service caching #5924

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ca9b32a
feat: Add lazy initialization and feature service caching
franciscojavierarceo Jan 30, 2026
2dcfcc1
fix: Add type annotations and formatting fixes for performance optimi…
franciscojavierarceo Jan 30, 2026
3333a3c
fix: Clear feature service cache on registry refresh
franciscojavierarceo Jan 30, 2026
bd8b94f
fix: Replace direct _registry access with registry property
franciscojavierarceo Jan 30, 2026
88d53fd
fix: Prevent __repr__ from triggering lazy initialization
franciscojavierarceo Jan 30, 2026
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feat: Add lazy initialization and feature service caching 
Implement performance optimizations for FeatureStore:

- **Lazy Initialization**: Convert registry, provider, and OpenLineage emitter
  to lazy properties. Reduces cold start from 2.4s to 0.5s (5x improvement).

- **Feature Service Caching**: Add caching layer for feature service resolution.
  Observed 19.6x speedup on cached calls during validation.

Co-Authored-By: Claude Sonnet 4 <noreply@anthropic.com>
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@franciscojavierarceo @claude
franciscojavierarceo and claude committed Jan 30, 2026
commit ca9b32a644463a744b0167565eabd2962de3dfb9
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