# Sigma Computing

- Domain: sigmacomputing.com · Category: bi
- Status page: https://status.sigmacomputing.com (polled every 10 minutes; now operational)
- Incidents archived: 86 (35 major/critical, 1 maintenances), history since 2020-07-17
- Last 90 days: 12 incidents; open now: 0
- Silently edited or deleted incidents: 0

## Incidents by year

| Year | Incidents | Major/critical | Maintenance | Median duration |
| --- | --- | --- | --- | --- |
| 2020 | 1 | 0 | 0 | ongoing |
| 2021 | 5 | 4 | 0 | 31 min |
| 2022 | 13 | 5 | 0 | 3.8 h |
| 2023 | 33 | 15 | 1 | 2.7 h |
| 2024 | 7 | 3 | 0 | 26 min |
| 2025 | 7 | 1 | 0 | 3.7 h |
| 2026 | 20 | 7 | 0 | 3.1 h |

## Recent notable changes

| When (UTC) | Change | Summary |
| --- | --- | --- |
| 2026-10-12 15:11 UTC | [Major incident: Service Degradation for writeback functionality on Databricks connections](https://rewindex.com/change/i9032334e3c6fe3.md) | Sigma reported a major degradation affecting CSV uploads to Sample Connection and potentially Databricks writeback functionality, including Input Tables, caused by a Databricks AWS US West 2 service interruption. The incident started at 2026-10-12 15:11 UTC and was resolved at 2026-10-12 18:17 UTC, lasting 3 h 6 min; writeback failures were no longer occurring. |
| 2026-09-26 15:25 UTC | [Major incident: Export Failures Incident](https://rewindex.com/change/ia10c2442e95b78.md) | Sigma Computing reported a major incident affecting password-authentication logins and scheduled exports across Azure, AWS and GCP, linked to an email-service disruption. Recorded from 2026-09-26 15:25 UTC to 2026-09-26 16:11 UTC (45 min), it was resolved after a fix; updates separately cited an approximate start of September 26, 2026, at 11:24 AM UTC. |
| 2026-09-14 19:31 UTC | [Major incident: Databricks Azure East US query timeout](https://rewindex.com/change/i0c5a82688cd53e.md) | A major incident caused query execution failures and timeouts for Sigma connections to Databricks Azure East US, attributed to a Databricks service interruption. It started at 2026-09-14 19:31 UTC and was resolved at 2026-09-14 22:53 UTC, lasting 3 h 21 min; warehouse connections returned to normal. |
| 2026-09-01 15:34 UTC | [Critical incident: Widespread failures are preventing Sigma from loading for GCP-hosted organizations.](https://rewindex.com/change/i52b875be6b8f5a.md) | A critical outage prevented GCP-hosted organizations in us-central1 from reliably accessing Sigma. The recorded incident ran from 2026-09-01 15:34 UTC to 2026-09-01 16:55 UTC (1 h 20 min), though Sigma reported an approximate start of 2:46 PM UTC. The postmortem attributed the disruption to a Google Cloud networking incident; services returned to normal. |
| 2026-03-05 10:10 UTC | [Major incident: Issue with Burst email exports are resolved](https://rewindex.com/change/i6809df7db42268.md) | Sigma Computing reported a major outage of Burst email exports starting 2026-03-05 10:10 UTC, lasting 4 days 7 h until resolution at 2026-03-09 17:31 UTC; standard exports remained operational. Engineers deployed a fix and re-enabled Burst Email Exports at 03-07 01:27 UTC, with no recurring problems observed during subsequent monitoring. |
| 2026-01-09 20:33 UTC | [Major incident: Chat Support experiencing 3rd party outage](https://rewindex.com/change/i37c8dbc131171b.md) | pending |
| 2026-01-05 21:38 UTC | [Major incident: Scheduled Backend Tasks not running on AWS US](https://rewindex.com/change/if989190d842c56.md) | pending |
| 2025-06-12 18:58 UTC | [Major incident: GCP Outage affecting Sigma organizations hosted on multiple cloud providers](https://rewindex.com/change/i9a7ecb7046648f.md) | pending |
| 2024-09-04 14:57 UTC | [Major incident: Snowflake tables not loading on AWS US West 2](https://rewindex.com/change/id505c8da4749f6.md) | pending |
| 2024-05-29 15:17 UTC | [Major incident: Users Unable To Contact Live Chat Support](https://rewindex.com/change/i26589aee59ef35.md) | pending |

Full timeline: [Sigma Computing changes](https://rewindex.com/company/sigma-computing/changes.md)
## Silent edits and deletions

_None._

## Page change history

| Page | URL | Versions | Last changed (UTC) | History |
| --- | --- | --- | --- | --- |
| Subprocessors | [https://sigmacomputing.com/legal/subprocessors](https://sigmacomputing.com/legal/subprocessors) | 1 | 2026-10-17 |  |
| Pricing | [https://sigmacomputing.com/pricing](https://sigmacomputing.com/pricing) | 2 | 2026-10-17 |  |

_No page changes since the first snapshot._

## Latest 86 incidents

| Started (UTC) | Incident | Impact | Duration | Edited |
| --- | --- | --- | --- | --- |
| 2026-10-12 15:11 UTC | [Service Degradation for writeback functionality on Databricks connections](https://stspg.io/1h966c5jr6b1) | major | 3.1 h |  |
| 2026-09-26 15:25 UTC | [Export Failures Incident](https://stspg.io/mkpxm54chr2x) | major | 46 min |  |
| 2026-09-21 16:34 UTC | [Unable to change email message in scheduled exports inside Sigma reports](https://stspg.io/w78ytsrlch0q) | none | 1.9 h |  |
| 2026-09-14 19:31 UTC | [Databricks Azure East US query timeout](https://stspg.io/fxjbwj7s8x7c) | major | 3.4 h |  |
| 2026-09-10 22:43 UTC | [Input Table Edits Failing if customer updated warehouse connection](https://stspg.io/wcwq15r7xg4r) | none | 23 h |  |
| 2026-09-02 13:37 UTC | [Scheduled Materialization and Export Failures](https://stspg.io/r6d19lv7p6dk) | none | 0 min |  |
| 2026-09-01 15:34 UTC | [Widespread failures are preventing Sigma from loading for GCP-hosted organizations.](https://stspg.io/pmd7gw49xwkk) | critical | 1.3 h |  |
| 2026-09-01 04:00 UTC | [Exports displayed number and date columns as text in Excel and Google Sheets](https://stspg.io/2qt4b848lscd) | none | 0 min |  |
| 2026-08-10 18:37 UTC | [Delayed audit logs and usage data in AWS US West](https://stspg.io/xymkdkr56nrx) | none | 23 h |  |
| 2026-08-04 23:58 UTC | [Materialization cleanup delayed for Sigma users on AWS US-West-2](https://stspg.io/xx134sqm0gx9) | none | 3.4 h |  |
| 2026-08-04 10:37 UTC | [Workbooks containing Snowflake Semantic Views fail to load](https://stspg.io/pbc3dv9928lk) | none | 34 min |  |
| 2026-08-03 14:55 UTC | [Query Timeouts for Snowflake Connections](https://stspg.io/9gcd75m6fzmk) | none | 3.2 h |  |
| 2026-06-24 13:30 UTC | [Scheduled exports and materializations are delayed](https://stspg.io/qf9ttmwc6rl5) | minor | 6.1 h |  |
| 2026-06-22 18:11 UTC | [High errors showing being displayed in workbooks](https://stspg.io/dvw8lh2w6vly) | minor | 41 min |  |
| 2026-05-15 01:21 UTC | [Errors on pivot table export](https://stspg.io/8shv6k3fw6cy) | none | 12 h |  |
| 2026-04-08 23:30 UTC | [Permission Denied Errors on Elements Sourced from Custom SQL Tables](https://stspg.io/41y0l78qq6t9) | none | 9 min |  |
| 2026-03-31 21:08 UTC | [Experiencing issues with Google sheets Integration](https://stspg.io/66nqmprc336t) | none | 6.4 h |  |
| 2026-03-05 10:10 UTC | [Issue with Burst email exports are resolved](https://stspg.io/s05vlfkgp6ns) | major | 4 d |  |
| 2026-01-09 20:33 UTC | [Chat Support experiencing 3rd party outage](https://stspg.io/1dqmhcp9czgt) | major | 1.8 h |  |
| 2026-01-05 21:38 UTC | [Scheduled Backend Tasks not running on AWS US](https://stspg.io/99psnr7j6763) | major | 1.9 h |  |
| 2025-12-11 16:21 UTC | [Degraded performance on PDF Exports](https://stspg.io/k8w421zr5mvm) | minor | 1.9 h |  |
| 2025-12-05 16:07 UTC | [Sigma Service Disruption Due to Cloudflare Incident](https://stspg.io/f1qpjl2tb2c0) | none | -428 min |  |
| 2025-10-29 16:57 UTC | [Service disruption affecting Azure-hosted customers](https://stspg.io/6jg8nt3p1h3x) | minor | 5.5 h |  |
| 2025-10-20 12:22 UTC | [Error rates and latencies in the AWS US-EAST-1 Region impacting third party services](https://stspg.io/bxr1kbcx50r2) | none | -323 min |  |
| 2025-09-21 02:56 UTC | [Outage affecting Sigma organizations hosted on Azure](https://stspg.io/b8f10nw4qxk9) | none | 3.7 h |  |
| 2025-06-12 18:58 UTC | [GCP Outage affecting Sigma organizations hosted on multiple cloud providers](https://stspg.io/5yn268v6pt9r) | major | 2.5 h |  |
| 2025-01-29 09:54 UTC | [404 Not Found error trying to log-in to Sigma in Europe/UK](https://stspg.io/bttbw66yt8k1) | none | 6.4 h |  |
| 2024-12-17 22:26 UTC | [Errored Elements in Workbooks](https://stspg.io/n3zlmx2cbg56) | none | 0 min |  |
| 2024-09-12 13:36 UTC | [Unable to Publish Workbooks](https://stspg.io/b79f8xkrmb02) | none | -2347 min |  |
| 2024-09-04 14:57 UTC | [Snowflake tables not loading on AWS US West 2](https://stspg.io/kc6c8b9rgn1q) | major | 53 min |  |
| 2024-05-29 15:17 UTC | [Users Unable To Contact Live Chat Support](https://stspg.io/vjv6smckj89x) | major | 2.1 h |  |
| 2024-05-21 18:51 UTC | [Issues with production services accessing databases on Sigma AWS](https://stspg.io/rr9d8q3jylf0) | none | 0 min |  |
| 2024-02-22 19:30 UTC | [Outage affecting Sigma organizations hosted on GCP](https://stspg.io/cx2bp9lvdbd2) | critical | 52 min |  |
| 2024-01-22 16:37 UTC | [Search not returning results on AWS West](https://stspg.io/8kl7gdm0007s) | none | 0 min |  |
| 2023-11-08 20:53 UTC | [Sigma organizations hosted on AWS US are not loading](https://stspg.io/9vn4jmqx06r5) | critical | 1.0 h |  |
| 2023-10-12 14:49 UTC | [Users Unable To Contact Live Chat Support](https://stspg.io/gs7psn3hc6fn) | minor | 1.3 h |  |
| 2023-10-06 20:27 UTC | [Users unable to enter edits to Workbooks](https://stspg.io/yb8s46dljz6y) | major | -83428 min |  |
| 2023-10-03 13:41 UTC | [Query failures for select organizations connected to Snowflake](https://stspg.io/kslrf2kj6qww) | critical | 5.1 h |  |
| 2023-09-30 00:14 UTC | [Missing search results from last 3 months affecting all Sigma deployments except AWS Canada](https://stspg.io/5pc0z6pgtgxx) | minor | -224 min |  |
| 2023-09-14 18:12 UTC | [Unable to login and load workbooks for Sigma AWS US](https://stspg.io/jz6vxzdfprwn) | critical | 2.1 h |  |
| 2023-09-14 14:41 UTC | [Workbooks not loading for Sigma users on AWS Snowflake](https://stspg.io/t0wp1hgjnpmj) | major | 2.7 h |  |
| 2023-09-06 20:56 UTC | [Workbooks cannot be opened for all Azure-hosted orgs](https://stspg.io/qj7hw5f3gwkj) | critical | 25 h |  |
| 2023-09-06 20:24 UTC | [Materialization failures impacting GCP cloud-hosted orgs](https://stspg.io/ly6z1jzp0j63) | major | 53 min |  |
| 2023-08-30 00:08 UTC | [Snowflake Tables Showing No data within Sigma but have a non-zero Row Count in Summary and Sigma SQL returns rows in Snowflake.](https://stspg.io/2yxq3c5znkqw) | none | 42 h |  |
| 2023-08-24 14:16 UTC | [Errors in exports and existing workbooks on Sigma Azure](https://stspg.io/8v8mtmqbz05p) | minor | 12 h |  |
| 2023-08-14 17:34 UTC | [Incorrect timestamps returned from warehouse for some customers](https://stspg.io/whwz9w0wpcfx) | major | -10082 min |  |
| 2023-08-14 14:52 UTC | [Exports with Color Conditional Formatting of "None" Failing](https://stspg.io/zy8xc6tk9fvj) | major | 2.3 h |  |
| 2023-08-02 01:26 UTC | [CloudFront outage US-EAST-1](https://stspg.io/knh58b206dfg) | minor | -20696 min |  |
| 2023-07-31 18:22 UTC | [Databricks "execute statement request" errors](https://stspg.io/qd8h43zhsbm3) | none | -5767 min |  |
| 2023-07-27 13:29 UTC | [Scheduled exports using image (PNG) files erroring](https://stspg.io/xz1ps09dg1y6) | major | 44 min |  |
| 2023-06-29 15:30 UTC | [Errors when drilling down on visualizations](https://status.sigmacomputing.com/incidents/pfyv8c89cqq5) | none | 0 min |  |
| 2023-06-20 17:00 UTC | [Workbook interactions yield error page with message: Unknown type "SymlinkTargetInfoInode"](https://status.sigmacomputing.com/incidents/7qvh35qbgn6n) | minor | 0 min |  |
| 2023-06-16 20:30 UTC | [Workbooks with Input Tables failing to load and new Input Tables unable to be created](https://status.sigmacomputing.com/incidents/trsvw2vhvz94) | minor | 0 min |  |
| 2023-06-07 19:00 UTC | [Infinite Loading Page on Sigma AWS US-West-2](https://status.sigmacomputing.com/incidents/r172q0zq3p8p) | minor | 0 min |  |
| 2023-06-01 16:47 UTC | [Degraded Performance on Sigma AWS - Connection Indexing](https://status.sigmacomputing.com/incidents/qtwsdkmw2qj8) | minor | 26 h |  |
| 2023-05-30 13:00 UTC | [Timeouts across Sigma AWS](https://status.sigmacomputing.com/incidents/stnllsyhzm0v) | none | 0 min |  |
| 2023-05-16 10:30 UTC | [Severity 0 Incident: Workbook Export Failures](https://status.sigmacomputing.com/incidents/vhxygg2fyf30) | minor | 0 min |  |
| 2023-05-02 14:37 UTC | [Errors when attempting operations such as creating, sharing and publishing Sigma documents](https://status.sigmacomputing.com/incidents/x5y1dzxm0thr) | critical | 1.7 h |  |
| 2023-05-01 19:00 UTC | [Application Server Outage](https://status.sigmacomputing.com/incidents/rgmzk0cs3l57) | none | 0 min |  |
| 2023-04-20 13:56 UTC | [Materialization & Scheduled Exports Degraded Performance](https://status.sigmacomputing.com/incidents/dkm0lv0l1426) | minor | 12 h |  |
| 2023-04-19 17:16 UTC | [Materialization and CSV upload failures](https://status.sigmacomputing.com/incidents/hl67qqlfhpmf) | critical | 3.3 h |  |
| 2023-03-20 17:30 UTC | [Errors when duplicating or 'Save As' Workbooks that have Input Tables in them](https://status.sigmacomputing.com/incidents/0g1dk2rygmdq) | minor | 0 min |  |
| 2023-02-17 06:38 UTC | [GCP Queries Failing](https://status.sigmacomputing.com/incidents/8fm8xmqbjvrt) | major | 38 min |  |
| 2023-01-27 20:59 UTC | [BigQuery performance degradation](https://status.sigmacomputing.com/incidents/mknp9628hxy1) | minor | 3.8 h |  |
| 2023-01-26 19:15 UTC | [Snowflake incident impacting warehouses hosted in AWS - US West (Oregon) region also causing errors in Sigma Usage tables](https://status.sigmacomputing.com/incidents/cgqpm4tv3c1f) | minor | 5.5 h |  |
| 2023-01-17 19:45 UTC | [Increased error rates on Sigma AWS](https://status.sigmacomputing.com/incidents/g8nqfmyxqw7x) | major | 1.7 h |  |
| 2023-01-16 16:30 UTC | [Organizations using OAuth authentication experiencing high rate of errors](https://status.sigmacomputing.com/incidents/y7j06nx318qt) | major | 0 min |  |
| 2022-12-14 18:00 UTC | [Increased error rates on Sigma AWS](https://status.sigmacomputing.com/incidents/phxm8jlmk6bz) | minor | 0 min |  |
| 2022-12-02 11:16 UTC | [Increased error rates on Sigma GCP](https://status.sigmacomputing.com/incidents/vdlmvc6g80zp) | major | 11 h |  |
| 2022-11-29 21:18 UTC | [Live Support Chat Currently Inaccessible](https://status.sigmacomputing.com/incidents/47qv48nz802b) | none | 2 min |  |
| 2022-11-23 17:12 UTC | [Partial Outage with Snowflake affecting some Sigma organizations](https://status.sigmacomputing.com/incidents/jh6vxw8r5hzj) | none | 6.2 h |  |
| 2022-11-16 22:04 UTC | [Scheduled exports delayed](https://status.sigmacomputing.com/incidents/7qd5b5zd2f9w) | major | 1.1 h |  |
| 2022-09-23 18:03 UTC | [Scheduled exports delay](https://status.sigmacomputing.com/incidents/gd1gb00br0bh) | major | 27 min |  |
| 2022-09-20 13:58 UTC | [Errors opening workbooks, worksheets and dashboards for some Sigma GCP customers](https://status.sigmacomputing.com/incidents/y1hvrjyr7fr1) | major | 7.5 h |  |
| 2022-08-17 16:57 UTC | [Workbook publish and share action failures](https://status.sigmacomputing.com/incidents/1gdqdqz6ms2v) | minor | 1.1 h |  |
| 2022-07-13 15:38 UTC | [Degraded performance on Sigma AWS](https://status.sigmacomputing.com/incidents/drrjsh224x30) | minor | 12 h |  |
| 2022-07-12 19:10 UTC | [Degraded performance on Sigma-AWS](https://status.sigmacomputing.com/incidents/km7jv1yckj63) | minor | 4.6 h |  |
| 2022-07-12 17:49 UTC | [Degraded query processing on Sigma-AWS](https://status.sigmacomputing.com/incidents/w4bsmcmdpd51) | minor | 34 min |  |
| 2022-07-06 15:21 UTC | [Sigma on AWS query processing outage](https://status.sigmacomputing.com/incidents/xd0tmnf54nn0) | critical | 3.8 h |  |
| 2022-05-10 19:28 UTC | [Degraded performance - Sigma AWS](https://status.sigmacomputing.com/incidents/f2t2zjq0s6dq) | none | 0 min |  |
| 2021-12-15 15:52 UTC | [AWS-based Sigma Sites Are Down](https://status.sigmacomputing.com/incidents/fbjgmtnx0qj6) | major | 31 min |  |
| 2021-11-16 17:57 UTC | [Sigma services hosted on GCP are unreachable](https://status.sigmacomputing.com/incidents/d09vfwyh20r9) | critical | 1.0 h |  |
| 2021-09-02 17:12 UTC | [Sigma web app is down](https://status.sigmacomputing.com/incidents/hnplf4g88kkk) | major | 10 min |  |
| 2021-06-28 14:00 UTC | [Degraded Performance](https://status.sigmacomputing.com/incidents/69cvvkkq1d7m) | critical | 0 min |  |
| 2021-03-05 06:00 UTC | [Unable to land on Sigma App webpage](https://status.sigmacomputing.com/incidents/hy49f4cb4xgf) | none | 0 min |  |
| 2020-07-17 21:00 UTC | [Cloudflare Outage](https://status.sigmacomputing.com/incidents/6c6459xqvsqd) | none | 0 min |  |


## Charts

### Chart data: Sigma Computing status incidents per year
Grey: all non-maintenance incidents. Orange: major or critical. Years before Oct 2026 come from the vendor’s own status history.

| Year | Incidents | Major/critical |
| --- | --- | --- |
| 2020 | 1 | 0 |
| 2021 | 5 | 4 |
| 2022 | 13 | 5 |
| 2023 | 33 | 15 |
| 2024 | 7 | 3 |
| 2025 | 7 | 1 |
| 2026 | 20 | 7 |

### Chart data: Incidents per month, last 36 months
By impact as reported by the vendor. Maintenance excluded.

| Month | Impact | Incidents |
| --- | --- | --- |
| 2023-10 | critical | 1 |
| 2023-10 | major | 1 |
| 2023-10 | minor | 1 |
| 2023-11 | critical | 1 |
| 2024-01 | none | 1 |
| 2024-02 | critical | 1 |
| 2024-05 | major | 1 |
| 2024-05 | none | 1 |
| 2024-09 | major | 1 |
| 2024-09 | none | 1 |
| 2024-12 | none | 1 |
| 2025-01 | none | 1 |
| 2025-06 | major | 1 |
| 2025-09 | none | 1 |
| 2025-10 | minor | 1 |
| 2025-10 | none | 1 |
| 2025-12 | minor | 1 |
| 2025-12 | none | 1 |
| 2026-01 | major | 2 |
| 2026-03 | major | 1 |
| 2026-03 | none | 1 |
| 2026-04 | none | 1 |
| 2026-05 | none | 1 |
| 2026-06 | minor | 2 |
| 2026-08 | none | 4 |
| 2026-09 | critical | 1 |
| 2026-09 | major | 2 |
| 2026-09 | none | 4 |
| 2026-10 | major | 1 |

### Chart data: Page snapshot history
One dot per archived version. Grey = first archived (baseline), orange = text changed.

| Date | Page | Change |
| --- | --- | --- |
| 2026-10-17 | Pricing | baseline |
| 2026-10-17 | Subprocessors | baseline |
| 2026-10-17 | Pricing | baseline |

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Canonical: https://rewindex.com/company/sigma-computing · Markdown: https://rewindex.com/company/sigma-computing.md · JSON: https://rewindex.com/api/v1/companies/sigma-computing · Generated 2026-10-17T23:49:45.426Z