ClickHouse Cloud incident: Increased Error Rate and Latency on AWS Region (US-EAST-1)

1. resolvedMay 9, 2026, 09:48 UTC

   AWS has mitigated the disruption affecting the US-EAST-1 availability zone. We will continue monitoring to ensure stability.

2. investigatingMay 8, 2026, 02:46 UTC

   AWS Region (US-EAST-1) is experiencing disruptions in a single availability zone. All ClickHouse Cloud services are operational. We are actively monitoring the situation and following updates from AWS. Please follow the <https://health.aws.amazon.com/health/status> page for latest updates.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in ClickHouse Cloud's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• ReadMe: Issues Creating New ChangelogsCritical · May 7, 2026, 23:43 UTC
• Datadog: Delayed Monitors NotificationsCritical · May 8, 2026, 00:06 UTC
• Upstash: QStash US Region Service DisruptionCritical · May 8, 2026, 09:46 UTC
• Confluent Cloud: Elevated error rates and latency on produce and consume operations on AWS us-east-1 AZ4Major · May 8, 2026, 01:14 UTC
• GitBook: Degraded database performanceMajor · May 8, 2026, 15:52 UTC
• Elasticsearch: Issues with Email AlertsMajor · May 8, 2026, 18:10 UTC
• Discord: Increased API ErrorsMajor · May 8, 2026, 19:08 UTC
• Render: Certificate issuance paused for Let's EncryptMajor · May 8, 2026, 20:22 UTC
• Intercom: Investigating: Compromised version of intercom-client npm package and intercom-phpMinor · Apr 30, 2026, 16:58 UTC
• Snyk: Snyk Recurring Tests DelayedMinor · May 6, 2026, 15:32 UTC

How often does ClickHouse Cloud have incidents?

ClickHouse Cloud reported 16 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 2h 28m. See ClickHouse Cloud's uptime and incident history