All Systems Operational

Uptime over the past 90 days. View historical uptime.
AWS Operational
90 days ago
100.0 % uptime
Today
Sigma - AWS (Europe) Operational
90 days ago
100.0 % uptime
Today
Sigma - AWS (US) Operational
90 days ago
100.0 % uptime
Today
Sigma - AWS (Canada) Operational
90 days ago
100.0 % uptime
Today
Sigma - AWS (APAC Australia) Operational
90 days ago
100.0 % uptime
Today
Sigma - AWS (UK) Operational
90 days ago
100.0 % uptime
Today
Azure Operational
90 days ago
100.0 % uptime
Today
Sigma - Azure (US) Operational
90 days ago
100.0 % uptime
Today
Sigma - Azure (Europe) Operational
90 days ago
100.0 % uptime
Today
Sigma - Azure (Canada) Operational
90 days ago
100.0 % uptime
Today
Sigma - Azure (UK) Operational
90 days ago
100.0 % uptime
Today
GCP Operational
90 days ago
100.0 % uptime
Today
Sigma - GCP (US) Operational
90 days ago
100.0 % uptime
Today
Sigma - GCP (KSA) Operational
90 days ago
100.0 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

System Metrics Month Week Day
app.sigmacomputing.com - uptime
Fetching

Aug 6, 2026

No incidents reported today.

Aug 5, 2026

Materialization cleanup delayed for Sigma users on AWS US-West-2
Resolved - The mitigation measures have proven effective, and the issue has been resolved. We will perform a root cause analysis (RCA) and publish our findings in a postmortem note in the coming days. We apologize for any inconvenience this may have caused.

Impacted Cloud Regions & Services: Sigma users hosted on AWS US-West-2 using materialization

User Experience: Customers using materializations on AWS US-West-2 should no longer see the previously reported table accumulation.

Incident Start Time: Approximately August 3, 2026, at 2:44 PM UTC
Incident End Time: Approximately August 5, 2026, at 02:40 AM UTC
Aug 5, 03:19 UTC
Monitoring - Our engineers have implemented mitigation measures for this issue and are closely monitoring their effectiveness. We expect the backlog to continue clearing over the next several hours. We will provide a further update once we can confirm full resolution.

Impacted Cloud Regions & Services: Sigma users hosted on AWS US-West-2 using materialization

User Experience: Customers using materializations on AWS US-West-2 may continue to see table accumulation reported earlier while the backlog clears; no new action is needed.

Incident Start Time: Approximately August 3, 2026, at 2:44:18 PM UTC
Aug 5, 00:20 UTC
Investigating - We are investigating an issue affecting materialization tables, which are not being cleaned up as expected in some customers' connected warehouses, causing them to accumulate over time. We are treating this as our highest priority and are actively working to identify and resolve the root cause. We apologize for any inconvenience this may cause.

Impacted Cloud Regions & Services: Sigma users hosted on AWS US-West-2 using materialization

User Experience: Customers using materializations on AWS US-West-2 may see stale materialization tables accumulating in their connected warehouse, which over time could approach warehouse storage/object limits.

Incident Start Time: Approximately August 3, 2026, at 2:44:18 PM UTC
Aug 4, 23:58 UTC

Aug 4, 2026

Workbooks containing Snowflake Semantic Views fail to load
Resolved - Sigma engineering has identified the cause, and the issue is now resolved. Users will need to perform a hard refresh of their browser to see the fix take effect. We will conduct a root cause analysis (RCA) and publish our findings in a postmortem note on the Sigma Community site in the coming days.

Impacted Cloud Regions & Services: All Regions
User Experience: Workbooks should now load normally after a hard refresh or browser restart.

Incident Start Time: Approximately 08:30 UTC, August 4, 2026
Incident End Time: Approximately 10:42 UTC, August 4, 2026
Aug 4, 11:11 UTC
Investigating - We are investigating an issue where workbooks containing a Snowflake Semantic View fail to load. Sigma Engineering is actively engaged as our highest priority. We apologize for any inconvenience caused.

Impacted Cloud Regions & Services: All Regions

User Experience: Workbook stuck in loading state when containing snowflake semantic views

Workarounds: None at this time

ETA: We do not have an ETA for resolution at this time. Updates will be provided as more information becomes available.

Incident Start Time: Approximately 08:30 UTC, August 4, 2026
Aug 4, 10:37 UTC

Aug 3, 2026

Query Timeouts for Snowflake Connections
Resolved - Resolved - Query Timeouts for Snowflake Connections

Snowflake has updated their status page to indicate that a fix was pushed to resolve the previously reported incident.
Hence, based on Snowflake’s latest status update, this issue has now been resolved.

Incident end time: 16:36 UTC August 03, 2026
Aug 3, 18:07 UTC
Monitoring - Monitoring – Query Timeouts for Snowflake Connections

Snowflake has updated their status page to indicate that a fix was pushed to resolve the previously reported incident.

Customers using Sigma with Snowflake may have seen elevated "DeadlineExceeded" errors or "Query timed out while running in the data warehouse" errors during this incident window. Based on Snowflake’s latest status update, this issue has now been resolved.

Incident end time: 16:36 UTC August 03, 2026
Aug 3, 17:38 UTC
Identified - Snowflake is currently experiencing degraded functionality, which began at 13:35 UTC and was reported at 14:11 UTC. Customers may experience a corresponding spike in DeadlineExceeded and "Query timed out while running in the data warehouse" errors using a Snowflake data warehouse.

If your connection uses Sigma with Snowflake, please monitor http://status.snowflake.com/ for updates.

We have not detected any issues with other data warehouse providers at this time.
Aug 3, 15:26 UTC
Investigating - Investigating – Query Timeouts for Snowflake Connections

We are currently investigating an issue causing query timeouts for customers connected via Snowflake. Affected users may see errors such as DeadlineExceeded or Query timed out while running in the data warehouse when running queries.

We do not have an ETA for resolution at this time. Updates will be provided as more information becomes available.
Aug 3, 14:55 UTC

Aug 2, 2026

No incidents reported.

Aug 1, 2026

No incidents reported.

Jul 31, 2026

No incidents reported.

Jul 30, 2026

No incidents reported.

Jul 29, 2026

No incidents reported.

Jul 28, 2026

No incidents reported.

Jul 27, 2026

No incidents reported.

Jul 26, 2026

No incidents reported.

Jul 25, 2026

No incidents reported.

Jul 24, 2026

No incidents reported.

Jul 23, 2026

No incidents reported.

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