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Statsig: 5xx Spike for Client SDK Initialization

Impact: majorStatus: resolvedStarted Resolved (11 min)2 updatesSource: stspg.io (opens in new tab)
Summary

Statsig reported a major 5xx spike affecting Client SDK Initialization and Config Delivery API - US East 1, starting at 2025-07-18 15:10 UTC and resolved at 2025-07-18 15:21 UTC (11 min). Statsig shifted traffic to restore service and identified a GCP outage as the root cause.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: Config Delivery API - US East 1US East 1

Timeline of updates

  1. investigating

    At approximately, 8:10AM PST, we detected a growing rate of 5xx in our US East region. We have shifted traffic, and expect things to recover fully in a few minutes. Mitigated: 07/18/2025 08:21:00 GMT-0700 (Pacific Daylight Time): The traffic shift has completed and things should be recovered. Update: 10:49AM PST, the rootcause was identified to be a GCP Outage: https://status.cloud.google.com/incidents/8cY8jdUpEGGbsSMSQk7J

  2. resolved

    Resolved.

Rewindex changes for this incident

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Statsig profile · Recent Statsig incidents · Markdown · JSON