GraphQL query optimization: persisted queries and caching

[pmilano1]

Summary

Optimize GraphQL performance for production.

Proposed Improvements

Persisted Queries

• Use Apollo persisted queries to reduce request size
• Pre-register queries at build time

Query Complexity Limits

• Add complexity scoring to prevent expensive queries
• Limit depth and breadth of nested queries

Caching Strategy

• Cache frequently accessed data:
  • Dashboard stats
  • Surname lists
  • Person counts
• Configure appropriate cache TTLs
• Use Apollo cache policies effectively

DataLoader

• Ensure DataLoader is used for N+1 prevention
• Batch related queries

Affected Components

• Apollo client configuration
• Backend GraphQL server

Priority

Medium - important as usage scales