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2024-February-29 Service Incident

Incident Report for Sauce Labs

Postmortem

Dates:

Thursday February 29th 2024, 16:25 UTC - Friday March 1st, 00:15 UTC

What happened:

iOS Simulators in our OS-West-1 data center intermittently experienced longer startup times and in some cases failed to acquire a session, resulting in test failure.

Why it happened:

An increase in utilization throughout the Mac Cloud created additional pressure and lack of availability for some images, which resulted in higher-than-normal startup times.  In some cases, the startup times were high enough to cause test failure due to abandonment of the session.

How we fixed it:

Burst capacity was leveraged to provide some relief.  Later, utilization decreased to normal levels.

What we are doing to prevent it from happening again:

We are working to both increase capacity and decrease startup times for iOS Simulators.

Posted Mar 12, 2024 - 12:32 UTC

Resolved

After taking remedial action error rates in Desktop and Virtual Device tests are back to normal levels. This incident is resolved
Posted Feb 29, 2024 - 23:19 UTC

Update

We are currently seeing elevated error rates in Desktop and Virtual device tests in the US-West-1 datacenter. We are still investigating.
Posted Feb 29, 2024 - 22:02 UTC

Investigating

We are currently seeing elevated error rates in Desktop and Virtual device tests in the US-West-1 datacenter. We are currently investigating.
Posted Feb 29, 2024 - 20:43 UTC
This incident affected: Automated Browser Testing (US-West) and Automated Virtual Mobile Device Testing (US-West).