SurveySparrow - EU WEST(London): Collect Service Performance Degradation – Incident details

EU WEST(London): Collect Service Performance Degradation

Resolved
Degraded performance
Started 4 days agoLasted 14 minutes

Affected

EU WEST (LONDON)

Operational from 9:48 AM to 9:48 AM, Degraded performance from 9:48 AM to 9:51 AM, Operational from 9:51 AM to 9:57 AM, Degraded performance from 9:57 AM to 10:02 AM

Collect responses

Operational from 9:48 AM to 9:48 AM, Degraded performance from 9:48 AM to 9:51 AM, Operational from 9:51 AM to 9:57 AM, Degraded performance from 9:57 AM to 10:02 AM

Updates
  • Resolved
    UTC
    Resolved
    The Collect performance degradation in EU WEST (London) has been resolved. Request latency and database connection availability have returned to normal, the serving pods are healthy, and monitoring confirms sustained recovery. Follow-up work is tracking replay validation and resilience improvements.
  • Identified
    UTC
    Identified
    We identified elevated database connection contention in the Collect serving path, which caused delayed response processing. Traffic and latency are recovering, and affected submissions were accepted by the recovery path for replay. We are monitoring recovery and validating response processing before resolving the incident.
  • Resolved
    UTC
    Resolved

    The issue affecting Collect services has been resolved, and normal operations have resumed. The system is now operating smoothly, and we are actively monitoring to ensure continued stability.

  • Investigating
    UTC
    Investigating

    We are currently experiencing performance degradation in our EU WEST(London) region, affecting Collect services.Our team is currently investigating and working to resolve the issue as quickly as possible. We will provide additional updates as we progress.