SignalFx US1 incident
RUM MMS Data Drop — Missing Chart & Dashboard Data
SignalFx US1 experienced a critical incident on April 25, 2026 affecting Splunk RUM Monitoring MetricSets, lasting 2h 9m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Apr 25, 2026, 01:03 AM UTC
We are currently investigating an issue where RUM (Real User Monitoring) MMS data is being dropped, which may result in missing or incomplete data in charts and dashboards related to real user monitoring. We are actively investigating and will provide updates as the situation develops.
- identified Apr 25, 2026, 01:22 AM UTC
We have identified the cause of the issue resulting in missing or incomplete data in Real User Monitoring charts and dashboards. We are implementing a fix and will provide an update within 15 minutes.
- identified Apr 25, 2026, 02:02 AM UTC
A solution to address the issue causing missing or incomplete data in Real User Monitoring (RUM) charts and dashboards is currently being implemented. Our teams are actively working on deploying the fix and will continue to provide updates as progress is made
- identified Apr 25, 2026, 02:33 AM UTC
We have identified an issue causing missing or incomplete data in Real User Monitoring (RUM) custom charts and dashboards across multiple realms. A fix is currently being rolled out and validated
- monitoring Apr 25, 2026, 02:55 AM UTC
A fix for the issue affecting Real User Monitoring (RUM) charts and dashboards has been deployed and is being actively monitored across all realms; customers may now see data restored in charts and dashboards
- resolved Apr 25, 2026, 03:13 AM UTC
The issue affecting Real User Monitoring (RUM) custom charts and dashboards across multiple realms has been resolved. The fix has been deployed, and data is now flowing normally.