ClickHouse Cloud outage, 11 November 2026

Provisioning and scaling operations may take longer in AWS ap-northeast-1 Tokyo

Is this still happening?

No. ClickHouse Cloud marked this incident resolved on 11 Nov 2026, 23:44 UTC, 7 h 38 min after it began.

Right now: ClickHouse Cloud reports all systems operational. (as of 13 Nov, 20:53 UTC) Live ClickHouse Cloud status

ClickHouse Cloud rated this a minor incident.
It was resolved after 7 h 38 min. That is longer than a typical ClickHouse Cloud incident: the median of the 26 other resolved ones we recorded is 2 h 25 min.
ClickHouse Cloud had 3 other incidents in the 30 days before it.
2 earlier incidents look like the same kind of problem (same affected part or wording); the most recent was on 6 Jul 2026.

Our summary from the ClickHouse Cloud incidents we have recorded since 18 May 2026 - how we count.

This incident in AWS ap-northeast-1 (Tokyo) is Resolved [<https://health.aws.amazon.com/health/status>]
11 Nov 2026, 23:44 UTC

Earlier incidents with the same affected part or wording - useful to see how long this kind of problem usually takes.

Something wrong on this page?

Thanks - your report is on its way to us. We read every one.