Temporal customers in the us-west-2 region experienced elevated API error rates and high latency for 16.1 hours due to issues with the history service. Multi-region Namespace traffic was proactively failed over to secondary regions as a precautionary measure, where services continued operating normally. The incident was resolved after implementing a fix to the history service, with Multi-region Namespaces being failed back to primary regions once stability was confirmed.
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This incident has been resolved.
Some customers may have experienced additional latencies and errors during this period (17:40 - 18:01 UTC) when we applied additional mitigation.
We are continuing to monitor the affected cell and have kept our status page in a monitoring state while we validate stability.
As a precaution, Multi-region Namespace traffic has been failed over to secondary regions, where it continues to be served normally.
While we complete stabilization work, Multi-region Namespaces will continue running from secondary regions.
Our current priority is to ensure the affected cell is stable and operating normally. Once confirmed, and the incident is resolved, we will restore Multi-region Namespace traffic to primary regions.
For Multi-region Namespaces failed over by Temporal, we will manage fail back. For manually failed over namespaces, customers can initiate fail back once the incident is resolved.
API latencies and error rates have remained stable after a fix in history service and we continue to monitor the situation.
A fix has been implemented and we are monitoring the results.
We continue working to mitigate the issue.
We are working to mitigate the issue. Error rates are recovering.
This is still in investigation
We are currently investigating the issue.
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