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Summary of Impact:
On June 23, 2026, beginning at approximately 13:00 UTC, a subset of Qlik Cloud customers in the eu-west-1 region experienced data gateway issues, both on Qlik Cloud® Data Integration and Qlik Cloud Analytics®. This caused intermittent failures in reloads and data movement. Qlik applied an initial fix within approximately two hours, restoring service stability. The issue recurred on June 24th at around 12:50 UTC, and it was promptly resolved within 27 minutes.
Root Cause:
The routine upgrade of a Kubernetes component led to inaccurate metrics concerning the number of connected gateways, causing the system to scale down to a minimum number of replicas. The recurrence resulted from an incorrect assessment of the metrics, resulting in an insufficient number of replicas that did not fully resolve the underlying issue, leading to the same behavior.
Resolution and Remediation:
Once the root cause was fully identified, Qlik mitigated the issue by temporarily increasing the minimum number of replicas for the gateway service to a level to ensure system stability. Qlik repeated this action the following day based on the correct metrics.
To prevent recurrence, Qlik is implementing the following long-term actions: increasing the number of replicas in the most active regions; implementing a more resilient scaling strategy that does not rely solely on the connected gateway metrics; and enhancing internal alerting.