Dremio change history

Dremio Cloud (US) reported a major outage preventing some classic engines from starting or scaling, from 2026-08-26 21:25 UTC to 2026-08-26 21:55 UTC (30 min). A provisioning artifact was inadvertently removed during a compliance-related infrastructure change; running engines were unaffected. A fix was applied and normal operations confirmed.

Dremio Cloud US experienced a major outage affecting application loading and login; Dremio Cloud Europe operated normally. The incident started at 2026-08-05 14:47 UTC and was resolved at 2026-08-05 18:49 UTC, lasting 4 h 2 min; Dremio reported service recovery and healthy services while monitoring.

Dremio Cloud (US) experienced a major incident causing query timeouts and failures for some users, starting at 2026-04-08 22:38 UTC and resolved at 2026-04-09 00:10 UTC, lasting 1 h 31 min. Dremio attributed the disruption to an infrastructure issue and confirmed service was restored for all affected users.

Dremio Cloud (US & EU) had a major incident causing query failures when using reflections, starting 2025-11-11 21:51 UTC and resolved 2025-11-12 07:13 UTC (9 h 21 min). Dremio attributed the disruption to an internal-source permissions update restricting access to some project-store folders and reported deploying a fix.

Dremio Cloud queries could not complete due to a configuration change, in an incident rated major. It started and was resolved at 2025-04-02 18:24 UTC (computed duration: 0 min); Dremio reverted the change and reported queries operational again.

Dremio Cloud (US) was inaccessible during a critical outage from 2025-02-28 00:39 UTC to 2025-02-28 08:49 UTC, lasting 8 h 10 min. Dremio attributed the outage to an infrastructure issue affecting core services; all services were restored, with successful recovery of users’ projects reported.

Dremio Cloud (EU) queries stalled at metadata retrieval during a major incident from 2025-02-10 10:02 UTC to 2025-02-10 17:55 UTC (7 h 53 min), now resolved. Dremio reported upstream timeouts and queuing in a core indexing service, mitigated by throttling; initial analysis suggested a recent underlying infrastructure change on Google may have triggered the failure.

Dremio reported a major incident preventing Azure engines using PrivateLink connectivity to Dremio Cloud (EU) from scaling up. It started at 2024-10-24 08:44 UTC and was resolved at 2024-10-24 09:36 UTC, lasting 51 min. Dremio mitigated the issue and confirmed successful engine scale-ups in customer environments.

A major incident prevented Azure-based project engines from starting in Dremio Cloud - Europe and Dremio Cloud - US, affecting customers’ ability to start engines. It started at 2024-02-27 00:58 UTC and was resolved at 2024-02-27 08:30 UTC, lasting 7 h 31 min. Dremio rolled out a fix to all environments and verified engines were starting.

Dremio Cloud US control plane availability was affected by a Google Cloud Platform multi-service outage in us-west1, rated major by Dremio. The incident started at 2024-02-14 19:43 UTC, lasted 3 h 43 min, and was resolved at 2024-02-14 23:27 UTC, when Dremio reported full recovery.

Dremio reported a major outage blocking password and oauth login to https://app.eu.dremio.cloud due to Auth0 problems; API access using PAT tokens was unaffected. The incident started at 2023-10-30 20:50 UTC and was resolved at 2023-10-30 21:14 UTC, lasting 23 min, with normal operation restored.

Dremio reported major intermittent query failures starting 2023-09-07 15:50 UTC, believed limited to AWS projects created since Aug 17th, 2023, following a deployment. Fixes restored normal operation in US and European production environments; the incident was resolved at 2023-09-08 17:40 UTC after 25 h 50 min.

Dremio reported a major database connectivity incident affecting Dremio Cloud - US - Site Availability and Site Availability. It started and was resolved at 2023-07-18 22:42 UTC, with a recorded duration of 0 min; Dremio said it mitigated the connectivity issue and database connections recovered.

Dremio Cloud Europe experienced engine creation timeout errors because engine startup was not properly recognized in the control plane; Dremio Cloud US was unaffected. The vendor marked the impact major, with the incident starting and resolving at 2023-06-22 14:00 UTC (computed duration: 0 min).

Some Dremio projects were unavailable in a major incident affecting Dremio Cloud - US - Site Availability and Site Availability. It started at 2022-12-15 16:35 UTC and was resolved at 2022-12-15 18:30 UTC, lasting 1 h 54 min. Dremio applied mitigations and monitored for further issues before confirming resolution.

Dremio Cloud - US had a major incident: query engines failed to scale up on demand, causing query failures; already-running engines remained unaffected. It started at 2022-05-10 05:32 UTC and was resolved at 2022-05-10 06:49 UTC, lasting 1 h 16 min. Dremio reported a successful mitigation and confirmed engine scaling was working normally.

Dremio reported a critical incident in North America AWS regions: queries failed to execute while the site remained available. It started at 2022-02-28 18:44 UTC and was resolved at 2022-02-28 19:21 UTC, lasting 36 min. Dremio applied a mitigation and then confirmed a fix was implemented.