#036

Purpose

To continue improving reliability across achievement and stats systems, while beginning controlled testing for additional achievement categories and refining backend event processing stability.

Key Highlights

🏅 Expanded Achievement Category Testing

• Initial backend support added for new achievement categories tied to fair play behavior, participation consistency, and tournament activity.
• New triggers currently limited to internal testing environments and not yet exposed platform-wide.
• Validation rules added to prevent duplicate category unlocks across overlapping match conditions.

🔄 Event Processing Reliability Improvements

•  Adjusted asynchronous event queue handling to reduce delayed processing during periods of increased match activity.
• Improved ordering of match-finalization events before achievement/stat writes are triggered.
• Reduced occurrence of temporary stat inconsistencies caused by overlapping reconciliation jobs.

⚙️ Monitoring & Stability Updates

• Expanded Grafana monitoring coverage for delayed event processing and failed stat writes.
• Added additional backend alerts for reconciliation job failures and queue processing spikes.
• Database write monitoring now tracks high-frequency update collisions more accurately.

Why It Matters

• Expanding achievement categories gradually helps avoid instability while improving long-term player engagement systems.
• Reliable event processing is critical for leaderboard accuracy, reward consistency, and match integrity.
• Improved monitoring visibility enables faster identification of backend bottlenecks with a limited development team.

Open Issues

•  Some newly tested achievement triggers still produce inconsistent timing under high concurrency.
• Cache invalidation improvements do not yet fully eliminate stale stat snapshots in edge cases.
• Queue processing latency spikes are still observed during clustered tournament activity simulations.

Fixed

• Intermittent duplicate achievement checks during reconnect flows resolved.
• Reduced frequency of stale dashboard data after rapid consecutive matches.
• Background stat reconciliation no longer retries unnecessarily after successful completion.

Next Steps

• Continue testing new achievement categories before broader rollout.
• Further refine event queue prioritization for tournament-heavy activity windows.
• Expand monitoring dashboards to include achievement processing timelines.
• Begin gradual cleanup of older stat aggregation utilities still running in parallel.