# Dremio change history Filter: kind=all. Query: `?kind=notable|all|pages|pricing|trust|legal|incident|incident_edit|incident_deleted|incident_update&history=&page=N`. Company profile: [Dremio](https://rewindex.com/company/dremio.md) ## Changes by kind | Kind | Changes | Notable | Latest (UTC) | | --- | --- | --- | --- | | Major incident | 17 | 17 | 2026-08-26 21:25 UTC | ## Timeline | When (UTC) | Kind | Change | Label | Summary | | --- | --- | --- | --- | --- | | 2026-08-26 21:25 UTC | Major incident | [Major incident: Engine scaling issues in Dremio Cloud (US)](https://rewindex.com/change/i7255493383eba7.md) | outage | 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. | | 2026-08-05 14:47 UTC | Major incident | [Major incident: Dremio Cloud US app and login unavailable](https://rewindex.com/change/i2257b751ce6664.md) | outage | 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. | | 2026-04-08 22:38 UTC | Major incident | [Major incident: Query failures in Dremio Cloud (US)](https://rewindex.com/change/i1454f3629a363d.md) | outage | 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. | | 2025-11-11 21:51 UTC | Major incident | [Major incident: Query failures in Dremio Cloud (US & EU)](https://rewindex.com/change/idc49b69f1b5073.md) | outage | 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. | | 2025-04-02 18:24 UTC | Major incident | [Major incident: Unable to run queries in Dremio Cloud](https://rewindex.com/change/i0c44852f1fea86.md) | outage | 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. | | 2025-02-28 00:39 UTC | Major incident | [Critical incident: Dremio Cloud (US) is inaccessible](https://rewindex.com/change/id16362f03552e7.md) | outage | 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. | | 2025-02-10 10:02 UTC | Major incident | [Major incident: Queries stuck in metadata retrieval in Dremio Cloud (EU)](https://rewindex.com/change/i8526463f3e92af.md) | outage | 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. | | 2024-10-24 08:44 UTC | Major incident | [Major incident: Engine scale up failing in Dremio Cloud (EU)](https://rewindex.com/change/i5102ba596b1b57.md) | outage | 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. | | 2024-02-27 00:58 UTC | Major incident | [Major incident: Unable to start Azure-based project engines in Dremio Cloud](https://rewindex.com/change/i71c41f0b9dab37.md) | outage | 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. | | 2024-02-14 19:43 UTC | Major incident | [Major incident: Multiple google services' outage affecting Dremio Cloud US control plane](https://rewindex.com/change/ia11e3e49210f2e.md) | outage | 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. | | 2023-10-30 20:50 UTC | Major incident | [Major incident: Login to EU site unavailable](https://rewindex.com/change/ifafcb69d6d8cae.md) | outage | 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. | | 2023-09-07 15:50 UTC | Major incident | [Major incident: Intermittent Query Failures](https://rewindex.com/change/ibcd9d9e567308a.md) | degradation | 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. | | 2023-07-18 22:42 UTC | Major incident | [Major incident: Database Connectivity](https://rewindex.com/change/i9a64e60bc5fa52.md) | outage | 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. | | 2023-06-22 14:00 UTC | Major incident | [Major incident: Engine creation timeouts](https://rewindex.com/change/i91ab1d3297c089.md) | outage | 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). | | 2022-12-15 16:35 UTC | Major incident | [Major incident: Some projects unavailable](https://rewindex.com/change/i7ffeeec1fa7283.md) | outage | 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. | | 2022-05-10 05:32 UTC | Major incident | [Major incident: Query engines not scaling up](https://rewindex.com/change/i935376967f427f.md) | outage | 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. | | 2022-02-28 18:44 UTC | Major incident | [Critical incident: Queries failing in North America AWS regions](https://rewindex.com/change/ie3fee589a1adff.md) | outage | 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. | --- Canonical: https://rewindex.com/company/dremio/changes · Markdown: https://rewindex.com/company/dremio/changes.md · JSON: https://rewindex.com/api/v1/companies/dremio/changes · Generated 2026-10-18T02:53:08.546Z