Final Status: Engineers migrated services to an alternate datacenter with upgraded resources, and rebuilt indexes on the new servers to fully remediate impact.
User Experience: The affected users may have received outdated data when using Autocomplete, data export, and full-text search functionality within Yammer.
Customer Impact: Customer impact appears to have been limited to a subset of users.
Incident Start Time: Monday, January 26, 2015, at 5:16 AM UTC
Incident End Time: Tuesday, February 10, 2015, at 9:40 PM UTC
Preliminary Root Cause: A backend component became degraded and impacted Yammer search functionality.
Next Steps: The following is a known action item associated with this incident. As part of the problem management process, additional actions may be identified to improve the overall service.
– Action: Identify what caused the backend component to become degraded and implement a solution to ensure the issue does not reoccur.