This is a Split Service Advisory (SSA) regarding an incident resulting in Traffic and Metrics data in the Split web console that was inaccessible under some circumstances from February 27th 20:19 PST to February 28th 08:59 PST 2018. Split provides mission-critical services and we treat any action that can cause a service degradation with utmost sensitivity and priority. It is our goal in this SSA to explain our understanding of the cause of the disruption and to describe the corrective actions that we will be taking.
At 20:19 PST on February 27th, 2018, the Metrics and Results section in Split web console was unreachable when changing environments. The outage lasted until February 28, 08:52 PST, at which point services were restored.
Event Timeline and Detailed Customer Impact
The issue was introduced when the routing library we use in the UI was updated to the latest version and deployed to our production environment. Whenever the environments change, the code to initialize back the utility was incorrectly placed in the routing flow and didn’t happen in the expected order.
Our automation harnesses on our testing environments have been updated to consider these type of scenarios. These new suites will prevent this type of incident from reaching our customers again.
We would like to apologize to our customers for any impact you may have experienced as a result of this event. We value the trust you've placed in us, and will endeavor to improve on our processes, procedures, and systems.
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