Files
windmill/backend/migrations/20250827152300_workspace_key_cache.down.sql
claude[bot] 8f46066a64 feat(perf): add 300-second local cache for variable crypt retrieval (#6483)
* feat: add 60-second cache for workspace key retrieval

This implements a cache with 60-second staleness for the get_workspace_key
function to reduce database queries for workspace encryption keys. The cache
follows the same pattern as the existing CUSTOM_ENVS_CACHE but with a
shorter expiration time.

Requested by @rubenfiszel

Co-authored-by: windmill-internal-app[bot] <windmill-internal-app[bot]@users.noreply.github.com>

* Extend cache staleness from 60 to 300 seconds

* feat: add cache invalidation notifications for workspace keys

Add PostgreSQL LISTEN/NOTIFY mechanism to invalidate workspace key cache
across all servers and workers when workspace keys change.

- Add database migration with trigger function for workspace_key changes
- Add notification handler in main.rs to remove from WORKSPACE_KEY_CACHE
- Follow same pattern as existing workspace environment cache invalidation
- Ensures distributed cache consistency for workspace encryption keys

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

* finish

---------

Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
Co-authored-by: windmill-internal-app[bot] <windmill-internal-app[bot]@users.noreply.github.com>
Co-authored-by: Ruben Fiszel <ruben@windmill.dev>
Co-authored-by: Ruben Fiszel <rubenfiszel@users.noreply.github.com>
2025-08-31 12:19:59 +00:00

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SQL

-- Remove workspace key cache invalidation trigger
DROP TRIGGER workspace_key_change_trigger ON workspace_key;
DROP FUNCTION notify_workspace_key_change();