Outage in Snowflake
INC20000287
Resolved MajorIncident Report
Summary AI Generated
A routine software update triggered a surge of simultaneous background operations that exhausted resources on a subset of Snowflake's query-processing infrastructure. For approximately 32 minutes (23:50 UTC October 15 to 00:40 UTC October 16, 2026), affected customers experienced intermittent delays and failures when running queries or loading Snowsight. The elevated load subsided on its own, restoring normal service, with full resolution confirmed by 01:43 UTC.
Current status: We identified that a subset of infrastructure responsible for processing queries and Snowsight requests in the affected region experienced elevated load, which caused intermittent delays and query failures. The load has since subsided, and query processing and Snowsight performance have returned to normal. We'll continue to monitor the environment until we're confident all services are functioning properly.
Customer experience: Customers hosted in the specified regions may have experienced intermittent delays when loading Snowsight or running queries, and some queries may have failed.
Workaround: There were no available workarounds for this issue.
Incident start time: 23:50 UTC October 15, 2026
Incident end time: 00:40 UTC October 16, 2026
Preliminary root cause: A routine software update caused a large number of background setup operations to run at the same time, which exhausted the resources of a subset of infrastructure responsible for processing queries in the affected region, resulting in intermittent delays and query failures.
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RESOLVED
about 15 hours ago - at 10/16/2026 01:43AM
Current status: We've monitored the environment and confirmed that service was restored. If you experience additional issues or have questions, please open a support case via Snowflake Community or the Support page in Snowsight.
Customer experience: Customers hosted in the specified regions may have experienced intermittent delays when loading Snowsight or running queries, and some queries may have failed.
Workaround: There were no available workarounds for this issue.
Incident start time: 23:50 UTC October 15, 2026
Incident end time: 00:40 UTC October 16, 2026
Preliminary root cause: A routine software update caused a large number of background setup operations to run at the same time, which exhausted the resources of a subset of infrastructure responsible for processing queries in the affected region, resulting in intermittent delays and query failures.
A root cause analysis (RCA) will be conducted and a summary will be made available within 5 business days.
MONITORING
about 15 hours ago - at 10/16/2026 01:14AM
Current status: We identified that a subset of infrastructure responsible for processing queries and Snowsight requests in the affected region experienced elevated load, which caused intermittent delays and query failures. The load has since subsided, and query processing and Snowsight performance have returned to normal. We'll continue to monitor the environment until we're confident all services are functioning properly.
Customer experience: Customers hosted in the specified regions may have experienced intermittent delays when loading Snowsight or running queries, and some queries may have failed.
Workaround: There were no available workarounds for this issue.
Incident start time: 23:50 UTC October 15, 2026
Incident end time: 00:40 UTC October 16, 2026
Preliminary root cause: A routine software update caused a large number of background setup operations to run at the same time, which exhausted the resources of a subset of infrastructure responsible for processing queries in the affected region, resulting in intermittent delays and query failures.
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