Changes / Statsig / 5xx Spike for Client SDK Initialization
Statsig: Major incident: 5xx Spike for Client SDK Initialization
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 diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: 5xx Spike for Client SDK Initialization
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2025-07-18 15:10 UTC
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After: 2025-07-18 15:21 UTC
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After: Config Delivery API - US East 1, US East 1
Before: not present
After: 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
Before: not present
After: Resolved.
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History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: 5xx Spike for Client SDK Initialization (this change) 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. | Major incident |