Degraded performance of Muting Timings in Alerting across several regions

Resolved

This incident has been resolved.

Update

Engineering has started rolling out a fix as of 23:12 UTC. We will continue to monitor for recurrence and provide updates accordingly.

Update

The fix is still in progress, but we have made good headway. Once things are finalized, we will begin rolling it out to impacted environments.

Update

We are continuing to work on a fix for this issue.

Update

We have identified the issue and are working on a fix.

Investigating

Since the 1st of October at 4am UTC time, we have received reports of Mute Timings and Active Intervals on Alerting module having degraded performance. We are actively working on fixing this issue. Impact includes receiving notification from alerts that should be muted.