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Upstash Outage History

Every past Upstash outage tracked by IsDown, with detection times, duration, and resolution details.

There were 45 Upstash outages since March 2021. The 16 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major May 14, 2026

May 2026: Upstash Redis – intermittent connection issues in some regions

Detected May 14, 2026 11:47 AM EDT · Resolved May 14, 2026 1:35 PM EDT · Duration about 2 hours

Upstash Redis experienced intermittent connection issues in us-east-1, us-west-1, ap-southeast-2, and ap-south-1 regions due to unexpected load on their proxies, causing connection timeouts and elevated error rates for some clients. The team quickly identified the root cause and applied workarounds to relieve pressure on the affected proxies. The incident lasted 1.8 hours before all systems returned to normal operation.

Major May 12, 2026

May 2026: Fly.io Upstash Redis Service Distruption

Detected May 12, 2026 5:49 AM EDT · Resolved May 12, 2026 9:49 AM EDT · Duration about 4 hours

Upstash Redis service experienced connectivity issues in some regions due to network problems, lasting approximately 4 hours. The incident affected users' ability to connect to Redis instances in the impacted regions. The issue was identified and fixed, with the service fully restored after monitoring confirmed the resolution.

Major May 11, 2026

May 2026: Fly.io Upstash Redis service distruption (FRA region)

Detected May 11, 2026 11:05 AM EDT · Resolved May 11, 2026 2:22 PM EDT · Duration about 3 hours

Upstash Redis databases in Fly.io's FRA region experienced increased latency and timeouts for 3.3 hours. The service disruption affected database performance and connectivity for users in that region. The incident was resolved through collaboration with the Fly.io team, with a root cause analysis to follow.

Major May 8, 2026

May 2026: QStash US Region Service Distruption

Detected May 8, 2026 5:46 AM EDT · Resolved May 8, 2026 6:09 AM EDT · Duration 24 minutes

Upstash's QStash service in the US region experienced a major service disruption lasting 24 minutes. The incident affected QStash functionality for users in that region. The service has been resolved and a root cause analysis will be published.

Minor May 5, 2026

May 2026: QStash US Region: Schedule Degradation

Detected May 5, 2026 10:24 AM EDT · Resolved May 6, 2026 4:06 AM EDT · Duration about 18 hours

Upstash's QStash service in the US region experienced schedule degradation for 17.7 hours, causing some scheduled jobs to execute twice and preventing schedules created between April 24-May 2, 2026 from running. The team implemented a fix and restored main schedule functionality, with all affected schedules resuming normal operation after monitoring confirmed proper delivery.

Major April 27, 2026

April 2026: QStash us-east-1 Schedules

Detected Apr 27, 2026 12:09 PM EDT · Resolved Apr 27, 2026 3:13 PM EDT · Duration about 3 hours

Upstash's QStash service in the US region experienced scheduling issues that affected some users for 3.1 hours. The incident was identified, a fix was implemented, and the service was restored to normal operation. The issue has been resolved and is no longer impacting users.

Minor April 2, 2026

April 2026: Fly.io Upstash Redis – iad Region Elevated Latency and Temporary Read-Only State

Detected Apr 2, 2026 2:45 PM EDT · Resolved Apr 2, 2026 3:53 PM EDT · Duration about 1 hour

Upstash Redis servers in the iad region experienced unexpected disk load, causing elevated latencies and temporarily forcing databases into read-only state. The service team resolved the issue by migrating replicas to new instances. The incident lasted 1.2 hours and was fully resolved once replication completed.

Major March 6, 2026

March 2026: Region ap-northeast-1 outage on Upstash Global

Detected Mar 6, 2026 8:50 AM EST · Resolved Mar 6, 2026 9:51 AM EST · Duration about 1 hour

Upstash experienced a major outage in the ap-northeast-1 region that lasted approximately 1 hour. The incident affected services in that geographic region, preventing normal operations. The issue was resolved after implementing a fix and monitoring the results.