Degraded Writes in AWS us-east-2

This incident has been resolved.

The issue hasn't been seen for a reasonable amount of time and hasn't occurred when it was expected to occur. We're still closely monitoring systems behaviour and will update this incident accordingly.

We are continuing to investigate this issue.
It is impacting all components using the write path in cortex-prod-13 and mimir-prod-56.
We do not yet have a root cause but have found that this issue seems to occur every 4 hours.

We are continuing to investigate this issue.
It is impacting all components using the write path in cortex-prod-13 and mimir-prod-56.
We do not yet have a root cause but have found that this issue seems to occur every 4 hours.

We are continuing to monitor for any further issues.

The impact on this has been mitigated at this time and we are currently monitoring.

We are continuing to investigate this issue. It is impacting all components using the write path in cortex-prod-13 and mimir-prod-56. We do not yet have a root cause but have found that this issue seems to occur every 4 hours.

We are continuing to investigate this issue. It is impacting all components using the write path in cortex-prod-13 and mimir-prod-56. We do not yet have a root cause but have found that this issue seems to occur every 4 hours.

We are currently investigating an issue causing degraded write performance across multiple products in the AWS us-east-2 region. Our engineering team is actively working to determine the full scope and impact of the issue and restore normal service levels.