Sauce Labs Maintenance Windows for Sauce Labs
Customers may experience intermittent errors during automated browser and virtual mobile device tests in our US-West-1 datacenter. We are closely monitoring and investigating the affected services.
2023-May 15 Service Incident
Incident Report for Sauce Labs
Postmortem

Dates:

Friday May 12th 2023, 10:58 - Monday May 15th 2023, 11:35 UTC

What happened:

Customers experienced intermittent WiFi connection failures on iOS Real devices in our US-West-1 & EU-Central-1 Data Centers, leading to increased error rates. 

Why it happened:

One of 4 DNS servers in our data center was upgraded and put back into rotation resulting in DNS resolution failures for hosts querying that host. The root cause was a misconfiguration in the routing table for that node.

How we fixed it:

We fixed the misconfiguration in the routing table. 

What we are doing to prevent it from happening again:

We are adding more testing and monitoring for these types of changes.

Posted Jun 02, 2023 - 18:03 UTC

Resolved
After taking remedial action, WIFI connectivity is back to normal on iOS Real devices in our US-West-1 & EU-Central-1 Data Centers. This issue is resolved.
Posted May 15, 2023 - 12:59 UTC
Monitoring
After taking remedial action, we are seeing error rates decreasing in iOS Real devices in our US-West-1 & EU-Central-1 Data Centers. We are currently monitoring.
Posted May 15, 2023 - 11:22 UTC
Investigating
We are experiencing intermittent WiFi connection failures on iOS Real devices in our US-West-1 & EU-Central-1 Data Centers, leading to increased error rates. We are investigating.
Posted May 15, 2023 - 10:16 UTC
This incident affected: Automated Real Device Testing (US-West, EU-Central) and Live Real Device Testing (US-West, EU-Central).