Segment: Data Delivery impacted by Google Cloud Platform outage
Google Cloud outage, Nov 16, 2021 · 24 vendors, 25 incidents
Segment’s incident blames Google Cloud as the cause. (hop 1, posted +0 min vs the first vendor naming Google Cloud)
“…Data Delivery impacted by Google Cloud Platform outage An issue affecting Google Cloud Platform prevented Segment from delivering and retrying some events to Customer.io, Indicative, Kochava, Satismet…”
Swipe sideways to see the whole diagram.
Mermaid source
flowchart LR
root["Google Cloud<br/>own incident not archived"]:::inferred
h1["Within an hour<br/>6 vendors, 4 blamed Google Cloud<br/>Segment, Bugsnag, Twingate, Sigma Computing +2"]:::blames
root --> h1
h4["1 to 4 hours later<br/>2 vendors, 2 blamed Google Cloud<br/>Smartsheet, Grafana Cloud"]:::blames
root --> h4
me["Segment (this incident)<br/>posted +0 min"]:::me
h1 --- meFull event: timeline, evidence and all vendors →
Detected automatically from incidents that started together and named the same provider. A link means one vendor’s incident named another, not a confirmed cause.
Timeline of updates
- resolved
An issue affecting Google Cloud Platform prevented Segment from delivering and retrying some events to Customer.io, Indicative, Kochava, Satismeter, Mixpanel, Leanplum, and GCP-hosted Webhooks between approximately 9:34 AM PT and 10:13 AM PT on November 16, 2021.
From Segment’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.
How the archive is checked, and what it cannot prove.
This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.segment.com (opens in new tab).