Files
windmill/backend/migrations/20250902070305_variable_resource_cache_notifications.down.sql
claude[bot] db36a323a7 feat(perf): add 60-second local cache for variables and resources(#6511)
* feat: add 60-second cache for variables and resources with PostgreSQL invalidation

- Add new var_resource_cache module with 60-second TTL
- Implement PostgreSQL NOTIFY/LISTEN for immediate cache invalidation
- Cache get_variable() for non-secret, non-encrypted reads
- Cache get_resource_value() for all read operations
- Add database triggers on variable/resource table changes
- Initialize cache system in main.rs after database connection
- Add Clone derive to ListableVariable for cache compatibility

Performance benefits:
- Avoids database queries on cache hits
- Immediate invalidation ensures data consistency
- Selective caching respects security constraints

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* refactor: move cache to API layer with allow_cache query param

- Move variable/resource cache from windmill-common to windmill-api
- Add allow_cache query parameter to variables and resources endpoints
- Follow raw script cache pattern with timestamp + value structure
- Create proper database migration for notification triggers
- Include encrypted values in cache when appropriate
- Only activate caching when explicitly requested

Co-authored-by: Ruben Fiszel <rubenfiszel@users.noreply.github.com>

* refactor: move cache to API layer with allow_cache query param

Move PostgreSQL LISTEN logic to main.rs following established pattern
- Remove custom listener initialization from cache module
- Add cache invalidation channels to centralized notification handler
- Simplified cache module to only handle cache operations
- Follow raw script cache pattern for notification handling

Co-authored-by: Ruben Fiszel <rubenfiszel@users.noreply.github.com>

---------

Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Ruben Fiszel <rubenfiszel@users.noreply.github.com>
2025-09-02 07:48:03 +00:00

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SQL

-- Add down migration script here
DROP TRIGGER IF EXISTS variable_cache_invalidate_trigger ON variable;
DROP TRIGGER IF EXISTS resource_cache_invalidate_trigger ON resource;
DROP FUNCTION IF EXISTS notify_var_resource_cache_change();