Fixes a critical performance bug discovered during the T3 Chat incident: search index compaction was invalidating all query subscriptions for documents with search-indexed fields, even when no data changed. The fix eliminates false-positive subscription invalidations that caused massive QPS spikes.
Improvement June 3, 2025
T3 Chat Fix: Search Index Compaction
Convex Team
Published on June 3, 2025
Overview
Feature Details
#222
T3 Chat Fix: Search Index Compaction
Fixes a bug where search index compaction needlessly invalidated query subscriptions, causing 20,000+ QPS spikes from ~50 QPS when no data had actually changed.
Completed