- Level
- confirmed
- Worst impact
- Partial outage
- Components
- US-West
- Regions
- us, us-west-1, us-west4
- Down Index
- 40of 100
What to do
Check whether you use Sauce Labs US-West in us, us-west-1, us-west4. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Confirm your retries, queues and scheduled jobs caught up after the 1h 39m it lasted.
Anything that failed between 2026-10-28 12:51 UTC and 2026-10-28 14:29 UTC may need a replay.Subscribe to Sauce Labs's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=saucelabs works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Root cause
The root cause of the elevated error rates for Real Device tests in the US-West-1 data center has been identified.
Category: Data center or power
Read the postmortemUpdates from Sauce Labs 4
- investigating
We are currently seeing elevated error rates for iOS and Android real device tests in US-West-1 data center. We are currently investigating.
provider
- investigating
The root cause of the elevated error rates for Real Device tests in the US-West-1 data center has been identified. Remediation has been applied, and we are actively monitoring the situation.
provider
- resolved
After taking remedial action, Real Device test error rates have returned to normal in the US-West-1 data center. All services are fully operational.
provider
- postmortem
### **Dates:** Wednesday October 28 2026, 11:10 UTC - 13:57 UTC. ### **What happened:** About ¼ of our RDC customers in US-WEST4 experienced slowness obtaining artifacts. ### **Why it happened:** A network provider had a failure on its infrastructure. ### **How we fixed it:** The Network Team moved traffic to a different network path. ### **What we are doing to prevent it from happening again:** We are deploying an additional observability stack to follow on network vendors changes.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
Something wrong on this page? Report an error or send us a note. Every fix is listed here.
Questions about DWN-9fd1e80221
Is Sauce Labs still down?
No, this incident was resolved 2026-10-28 14:29 UTC. For Sauce Labs's live state, see https://down.guide/saucelabs.
How long did it last?
1h 39m, from 2026-10-28 12:51 UTC to 2026-10-28 14:29 UTC, by the times Sauce Labs posted.
What was affected?
Sauce Labs named US-West in us, us-west-1, us-west4.
What caused it?
Data center or power. Sauce Labs wrote: "The root cause of the elevated error rates for Real Device tests in the US-West-1 data center has been identified." The postmortem: https://stspg.io/d896fbhc2n8r
Where does this come from?
Sauce Labs's official status page, https://status.saucelabs.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.