Scheduled Database Optimization
Completed
Impact
Brief read-only mode (2-3 minutes) during schema migration
Severity
Low — Planned Maintenance
02:00 UTC
Start: Maintenance window opened. Traffic shifted to read replicas.
02:12 UTC
Migration: Index rebuild and partition optimization completed.
02:18 UTC
Complete: Primary DB restored. All systems back to normal.
Webhook Delivery Failures
Resolved
Impact
~15% of outbound webhooks returned 5xx errors for 45 minutes
Severity
High — Partial Service Outage
09:14 UTC
Alert: Customer reports and monitoring flagged delivery spikes.
09:32 UTC
Root Cause: TLS certificate renewal failed for outbound proxy cluster.
09:48 UTC
Fix Applied: Certificates manually renewed and proxy pods restarted.
10:01 UTC
Resolved: Delivery success rate restored to 99.8%. Retry queue processed.
Dashboard Loading Slowness (EU-West)
Investigating
Impact
Dashboard widgets taking 5-8s to load. Data accuracy unaffected.
Severity
Medium — Regional Performance Issue
11:20 UTC
Detected: Synthetic monitoring shows elevated TTFB in Frankfurt nodes.
11:35 UTC
Update: CDN edge cache invalidation in progress. Engineering isolating query bottleneck.