Distributed Cache performance degradation in AWS us-east-1
This incident has been resolved. Distributed Cache performance in the region is back to normal. Please contact ClickHouse Support if any services in the Distributed Cache Private Preview are experiencing any remaining issues:
The latest update from ClickHouse Cloud.
State
Resolved
Started
48 d ago
2026-09-14 20:36 UTC
Lasted
3 h 59 min
until 2026-09-15 00:35 UTC
Worst impact
Degraded
Timeline
4 updatesInvestigating
52 min 22%
Identified
1 h 13 min 30%
Monitoring
1 h 54 min 48%
Updates
Times in UTCAs posted by ClickHouse Cloud
This incident has been resolved. Distributed Cache performance in the region is back to normal. Please contact ClickHouse Support if any services in the Distributed Cache Private Preview are experiencing any remaining issues:
Impacted services have been updated and are now fully operational. ClickHouse is monitoring.
ClickHouse has identified the cause and proceeding with remedying impacted services.
ClickHouse is investigating degraded Distributed Cache performance affecting multiple ClickHouse Cloud customers. Distributed Cache is a feature currently in Private Preview. We will provide further updates as they become available.
ClickHouse Cloud in the last 90 days
Full historyIncidents in 90 days
14
Days with an incident
14
Median duration
1 h 14 min
This incident
3.2× the median
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The issue preventing customers from creating and viewing support cases in the ClickHouse Cloud console has been resolved. Support case functionality is working normally again. If you couldn’t open a case during the affected window, please submit it again from the console.
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All stuck pipes were resumed. ClickHouse team will continue monitoring and identifying the root cause to prevent similar issues in future.
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Add it as a remote MCP server named "outages" at https://outages.cc/mcp (Streamable HTTP, no authentication), with your CLI command or your MCP config file.
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