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ClickHouse · Data and observabilityJul 22, 2026, 11:53 UTC

CDC ClickPipes stuck in maintenance state

MajorNot disclosedUpdated 20h ago
Jul 22, 11:53 UTCJul 22, 14:36 UTC
Duration
2h 43m
Impact
Major
Root cause
Not disclosed
ClickHouse, 90 days
16 incidents
Affected
Not listed by the vendor.
Status page

Final update

The CDC ClickPipes upgrade rollout remains on hold while we confirm we can safely proceed without triggering the underlying pod networking failure mode that triggered the incident.

Timeline

  1. Resolved · Jul 22, 14:36 UTC
    The CDC ClickPipes upgrade rollout remains on hold while we confirm we can safely proceed without triggering the underlying pod networking failure mode that triggered the incident.
  2. Monitoring · Jul 22, 13:39 UTC
    All services have recovered; we will continue monitoring the affected nodes and consolidating our findings. Please reach out to our support team to request access to the RCA, when available.
  3. Identified · Jul 22, 13:05 UTC
    Most services have fully recovered. Continuing to roll out the fix to remaining 4 services (all in `eu-central-1`, `us-east-2`).
  4. Identified · Jul 22, 12:36 UTC
    Services in `eu-central-1` have recovered. We're in the process of manually recovering ~20 services in other regions.
  5. Investigating · Jul 22, 11:53 UTC
    As part of our weekly upgrade process, CDC ClickPipes in `eu-central-1` became stuck in maintenance state. The team is working on a mitigation.

More from ClickHouse

Full history

From vendors' own status pages and disclosures. Times as reported. Logos via logo.dev; trademarks belong to their owners.

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