Snowflake Postgres (HA instances) SLA
Snowflake · Databases · promises up to 99.95% · SLA of Feb 24, 2026 · checked 23h ago
30 major outages in the last 365 days. Worst region Azure - East US 2 (Virginia): 5.3 d counted, 98.557% observed against the 99.95% High-Availability instance, which applies per region.
10 of 12 months fell below it (credits are claimed per month). One incident ran past 72 hours; each counts for 72 hours at most (see the method).
Last 90 days: 11 h counted, 99.511% observed.
Incidents, last 365 days
StartedIncidentCounted asDuration
- INC20000217AWS - Asia Pacific (Sydney), AWS - Asia Pacific (Singapore), Azure - Australia East (New South Wales), AWS - US East (Ohio), AWS - Asia Pacific (Tokyo), AWS - Asia Pacific (Jakarta)DegradedSep 14, 2026 · 81 min
- INC20000213AWS - Europe (Frankfurt), AWS - Asia Pacific (Tokyo)OutageSep 11, 2026 · 6 h
- INC20000211AWS - US East (N. Virginia)OutageSep 9, 2026 · 2 h
- INC20000199AWS - Europe (Frankfurt)OutageSep 4, 2026 · 2.6 h
- INC20000190AWS - US West (Oregon), AWS - GovCloud (US-West), AWS - Canada (Central), AWS GovCloud - DoD, AWS - Europe (Ireland), AWS - Europe (London)DegradedSep 1, 2026 · 3.9 h
- INC20000188AWS - US East (N. Virginia)OutageAug 31, 2026 · 2.4 h
- INC20000150GCP - US Central 1 (Iowa)MinorAug 28, 2026 · Open counted, ran 28 d
- INC20000182Azure - Central US (Iowa), Azure - Central India (Pune), Azure - Australia East (New South Wales)DegradedAug 27, 2026 · 81 min
- INC20000175Azure - Southeast Asia (Singapore)OutageAug 25, 2026 · 42 min
- INC20000173AWS - US West (Oregon)DegradedAug 24, 2026 · 1.7 h
- INC20000168Azure - East US 2 (Virginia)DegradedAug 20, 2026 · 1.9 h
- INC20000163AWS - US East (N. Virginia)DegradedAug 18, 2026 · 1.9 h
- INC20000158Azure - East US 2 (Virginia)OutageAug 14, 2026 · 2.1 h
- INC20000157AWS - US East (Ohio)OutageAug 14, 2026 · 69 min
- INC20000139AWS - US East (N. Virginia)MinorAug 5, 2026 · 68 min
- INC20000129AWS - US East (Ohio)OutageAug 3, 2026 · 6.8 h
- INC20000128AWS - Asia Pacific (Tokyo)MinorAug 3, 2026 · 2.4 h
- INC20000115AWS - US West (Oregon), AWS - Canada (Central), AWS - US East (Ohio), AWS - Europe (London), AWS - Europe (Frankfurt), AWS - Asia Pacific (Mumbai)OutageJul 30, 2026 · 1.9 h
- INC20000106Azure - Central US (Iowa)MinorJul 25, 2026 · 6.9 h
- INC20000085AWS - US West (Oregon)MinorJul 11, 2026 · 1.9 h
- INC20000082Azure - East US 2 (Virginia)DegradedJul 10, 2026 · 2 h
- INC20000063AWS - US West (Oregon)OutageJun 30, 2026 · 60 min
- INC20000052AWS - US East (N. Virginia)OutageJun 24, 2026 · 1.8 h
- INC20000047AWS - US West (Oregon)DegradedJun 23, 2026 · 15 h
- INC20000046AWS - Europe (London)DegradedJun 23, 2026 · 90 min
Latest 25 of 60.
Major outage time per month
Allowed per month: 22 min
Commitments and credits
TierUptimeCredit of the monthly bill
- High-Availability instanceSnowflake Postgres instances with the High-Availability deployment option; non-HA and burstable instances are not covered99.95%No credit schedule published
SLA changes
DateServiceChangeSource
- Feb 24, 2026Snowflake Postgres (HA instances)Appendix A added a Snowflake Postgres HA Feature Level of 99.95% with 3x/7x/total HA-instance credits; not present in the January 9, 2026 version.Source
More in databases
ServicePromisedFirst creditObserved 365dDowntime
Amazon DynamoDBAWS · Databases · Global Tables SLA99.999%First credit10%Observed 365d99.178%All incidents 99.852%
Lakebase PostgresDatabricks · Databases · High Availability endpoint99.99%First credit5%Observed 365dNo feedAll incidents 100%
Managed DatabasesDigitalOcean · Databases · Cluster with Standby Nodes99.95%First credit10%Observed 365d100%All incidents 99.992%
Elastic Cloud Hosted (formerly Elasticsearch Service)Elastic · Databases · Platinum or Enterprise, High Availability deployment99.95%First credit10%Observed 365d99.146%All incidents 99.896%
Cloud SQLGoogle Cloud · Databases · Enterprise Plus edition with HA (or read pool with 2+ nodes)99.99%First credit10%Observed 365d99.927%All incidents 99.488%
Azure SQL DatabaseMicrosoft Azure · Databases · General Purpose / Business Critical / Premium / Hyperscale, Zone Redundant99.995%First credit10%Observed 365dNo feedAll incidents 100%
Terms, exclusions and sources
- Measured
- Monthly HA Instance Availability Percentage per HA Instance; downtime = one-minute intervals in which all connection requests fail
- Credit cap
- Total HA Instance Credits for the month (i.e., the full month's consumption of that instance) at the worst tier
- Claim window
- Within twenty-one (21) days of the calendar month in which the failure occurred
- How to claim
- Customer requests Feature Level Credits; credited against usage of the affected HA Instance the following month
- Not covered
- All Section III Support Policy exclusions; Burstable instances; Resource exhaustion (CPU, memory, IOPS, storage) from customer workloads; Customer-initiated restarts or misconfigurations; Postgres engine software causing repeated crashes; Scheduled maintenance initiated by customer or Snowflake
- Status history
- Status history since Sep 22, 2025
- Weighted uptime
- All incidents, weighted: 99.99% · Downtime
Less than 99.95% but equal to or greater than 99.0% 3x Average Daily HA Instance Credits; Less than 99.0% but equal to or greater than 95.0% 7x ...; Less than 95.0% Total HA Instance Credits
Credits expressed as multiples of Average Daily HA Instance Credits (3x, 7x, total), so numeric credit is null. Added in the February 24, 2026 version (absent from the January 9, 2026 version).
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