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windmill/backend/windmill-queue
Ruben Fiszel dfd08d8a4b refactor: improve usage table behavior to eliminate synchronous row locks (#6863)
* refactor: improve usage table behavior to eliminate synchronous row locks

Replace synchronous INSERT...RETURNING with SELECT + async UPDATE pattern:
- Add check_usage_limits() to read current usage without row locks
- Add increment_usage_async() to update usage in background task
- Refactor job push logic to use optimistic validation
- Simplify job completion tracking with better error handling

This eliminates blocking row locks on the usage table during job creation,
significantly improving throughput and reducing contention.

Note: Requires running 'cargo sqlx prepare' with database access to update
the query cache in .sqlx/ directory.

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

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

* Update SQLx metadata

* refactor: optimize cloud usage checks with caching and conditional queries

- Add 60s cache for superadmin status checks to reduce DB load
- Skip unnecessary user usage query for premium workspaces
- Use existing team plan status cache (already implemented in windmill-common)
- Update check_usage_limits to accept check_user_usage parameter
- Add sqlx query cache for conditional user usage query

This optimization eliminates redundant database queries during job creation,
particularly for premium workspaces where user usage tracking is not needed.

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

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Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Ruben Fiszel <rubenfiszel@users.noreply.github.com>
Co-authored-by: windmill-internal-app[bot] <windmill-internal-app[bot]@users.noreply.github.com>
2025-10-18 07:47:31 +00:00
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