⚡ Bolt: Resolve N+1 query bottleneck in EscalationEngine evaluation - #915
⚡ Bolt: Resolve N+1 query bottleneck in EscalationEngine evaluation#915RohanExploit wants to merge 3 commits into
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Added `joinedload(Grievance.jurisdiction)` in `_get_grievances_for_evaluation` to eager load the related jurisdiction, preventing N+1 queries during periodic grievance evaluations.
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🙏 Thank you for your contribution, @RohanExploit!PR Details:
Quality Checklist:
Review Process:
Note: The maintainers will monitor code quality and ensure the overall project flow isn't broken. |
📝 WalkthroughWalkthroughThe escalation engine now eager-loads each grievance’s jurisdiction while selecting grievances past their SLA deadline. A dated ChangesEscalation query optimization
Estimated code review effort: 1 (Trivial) | ~5 minutes Possibly related PRs
Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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1 issue found across 3 files (changes from recent commits).
Prompt for AI agents (unresolved issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="backend/main.py">
<violation number="1" location="backend/main.py:41">
P1: `/api/detect-flooding` now returns an un-awaited coroutine instead of detections, so FastAPI cannot serialize a successful flooding result. Await `detect_flooding(img)` from the async endpoint rather than invoking it in the synchronous threadpool callback.</violation>
</file>
Reply with feedback, questions, or to request a fix.
Re-trigger cubic
| from garbage_detection import detect_garbage | ||
| from vandalism_detection import detect_vandalism | ||
| from flood_detection import detect_flooding | ||
| from flooding_detection import detect_flooding |
There was a problem hiding this comment.
P1: /api/detect-flooding now returns an un-awaited coroutine instead of detections, so FastAPI cannot serialize a successful flooding result. Await detect_flooding(img) from the async endpoint rather than invoking it in the synchronous threadpool callback.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At backend/main.py, line 41:
<comment>`/api/detect-flooding` now returns an un-awaited coroutine instead of detections, so FastAPI cannot serialize a successful flooding result. Await `detect_flooding(img)` from the async endpoint rather than invoking it in the synchronous threadpool callback.</comment>
<file context>
@@ -35,7 +38,7 @@
from garbage_detection import detect_garbage
from vandalism_detection import detect_vandalism
-from flood_detection import detect_flooding
+from flooding_detection import detect_flooding
# Import AI and Logic services
</file context>
…eployment Added missing imports (`create_all_ai_services`, `initialize_ai_services`, `logger`, `lru_cache`, schemas) to resolve the Render deployment failure and syntax errors that crashed the app at startup.
Render
Destroyed
🔍 Quality Reminder |
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Closing as duplicate of #938, which covers the same N+1 fix in the escalation engine. |
Understood. Acknowledging that this work is now obsolete and stopping work on this task. |
💡 What: Updated
_get_grievances_for_evaluationinbackend/escalation_engine.pyto eager loadjurisdictionusingjoinedload(Grievance.jurisdiction).🎯 Why: During the periodic execution of the
evaluate_and_escalate_grievancesloop, the_should_escalateand_should_escalate_due_to_severitymethods accessgrievance.jurisdiction.level. Sincejurisdictionwas lazy-loaded, an N+1 query problem occurred, hitting the database for every single grievance being evaluated.📊 Impact: Resolves N+1 query issue during periodic evaluations. Reduces database roundtrips from O(N) to O(1) for active grievances past their SLA.
🔬 Measurement: You can verify the optimization by setting
echo=Trueon the SQLAlchemy engine, or running a local test simulating many open grievances and checking the execution time.PR created automatically by Jules for task 12063516715606577265 started by @RohanExploit
Summary by cubic
Fixes an N+1 query in the escalation evaluation loop by eager-loading
Grievance.jurisdiction, reducing DB roundtrips from O(N) to O(1) and speeding up periodic escalations; also resolves Render startup failures by fixing imports inmain.pyand related modules and hardening image/file handling.joinedload(Grievance.jurisdiction)in_get_grievances_for_evaluationto avoid per-grievance lazy loads when accessingjurisdiction.level.Written for commit 2023ba2. Summary will update on new commits.
Summary by CodeRabbit
Performance Improvements
Documentation