Elevated GCP storage latency in us-central1 – precautionary namespace failover

Incident Report for Temporal

Resolved

This incident is now resolved.
Posted Oct 09, 2026 - 02:17 UTC

Monitoring

Cloud Storage latency in GCP us-central1 has returned to normal levels. We are continuing to monitor the region and will begin failing multi-region namespaces back to us-central1 shortly.
Posted Oct 09, 2026 - 01:04 UTC

Investigating

We are monitoring elevated Cloud Storage latency from GCP in us-central1. As a precaution, multi-region namespaces in this region have been failed over to their replica regions. No impact to workflow execution has been observed. We will fail back once GCP confirms recovery.
Posted Oct 08, 2026 - 21:53 UTC