14 Oct 2021
On October 14th 2021 between 14:43 UTC and 15:14 UTC an upgrade to the SEDNA infrastructure resulted in our search platform not returning any results and no messages were being returned to the Message List. As a result, teams could not view messages during this time.
Why this happened
This update in our application configuration resulted in too few servers trying to handle traffic for one of our production clusters in North America causing the interruption to service and degraded performance. The number of servers was then scaled to a value appropriate for that cluster and full service was restored.
Actions and opportunities for improvement
We internally reviewed this incident and have agreed to the following action: