This incident has been resolved. The GCP us-west1 region is stable and all affected namespaces have been failed back.

Between 12:21:15 UTC and 12:22:00 UTC, some users may have experienced elevated latency and error rates in GCP us-west1. The issue has been identified and mitigated. We are continuing to monitor the region. MRN namespaces have been failed over and will be failed back once monitoring confirms the region is stable.