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Sentry Outage History

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

There were 391 Sentry outages since August 2017. The 101 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor May 19, 2026

May 2026: Error Ingestion Delayed in US Region

Detected May 19, 2026 11:58 AM EDT · Resolved May 19, 2026 2:51 PM EDT · Duration about 3 hours

Sentry experienced error ingestion delays in the US region for 2.9 hours, specifically affecting symbolicated issues while non-symbolicated issues continued processing normally. The engineering team implemented a fix and monitored the situation until ingestion returned to normal levels.

Minor May 19, 2026

May 2026: Ingestion and alerts for transactions delayed in EU region

Detected May 19, 2026 10:05 AM EDT · Resolved May 19, 2026 10:15 AM EDT · Duration 10 minutes

Sentry experienced delayed ingestion and alerts for transactions in the EU region for 10 minutes. The service disruption was classified as minor and affected transaction processing and alerting functionality for European users. Fixes were implemented and the situation was being monitored for stability.

Minor May 17, 2026

May 2026: Ingestion and alerting delays in US

Detected May 17, 2026 9:41 PM EDT · Resolved May 18, 2026 3:14 AM EDT · Duration about 6 hours

Sentry experienced ingestion and alerting delays in the US region affecting spans, trace metrics, and logs for 5.6 hours. The incident was classified as minor severity and remained under investigation throughout the duration. The service delays impacted data processing and alert delivery for US-based users.

Minor May 13, 2026

May 2026: Ingestion and alerting delays in us

Detected May 13, 2026 10:38 AM EDT · Resolved May 13, 2026 1:59 PM EDT · Duration about 3 hours

Sentry experienced ingestion and alerting delays in the US region affecting spans, transactions, and replays for 3.4 hours. The service disruption impacted data processing and notification delivery for users in the affected region. The issue was resolved and ingestion and alerting returned to steady state after monitoring confirmed normal operations.

Minor May 12, 2026

May 2026: Increased UI and API timeouts

Detected May 12, 2026 8:28 AM EDT · Resolved May 12, 2026 6:40 PM EDT · Duration about 10 hours

Sentry experienced increased UI and API timeouts and errors for 10.2 hours due to an overloaded database cluster. The team applied a configuration change to mitigate the issues and fully resolved the incident. Ingestion and alerting functionality remained unaffected throughout the incident.

Minor May 11, 2026

May 2026: Sentry.io timeouts

Detected May 11, 2026 11:32 AM EDT · Resolved May 11, 2026 6:14 PM EDT · Duration about 7 hours

Sentry experienced increased UI and API timeouts and errors for 6.7 hours due to an overloaded database cluster. The incident also caused delays in ingestion for spans, replays, and crons of approximately 15 minutes, while alerting remained unaffected. The issue was resolved after implementing a fix that restored normal database performance.

Minor May 6, 2026

May 2026: Sentry.io intermittently unreachable

Detected May 6, 2026 3:42 AM EDT · Resolved May 6, 2026 3:57 AM EDT · Duration 15 minutes

Sentry.io experienced intermittent connectivity issues that prevented users from accessing the service. The outage lasted approximately 15 minutes before being resolved. The incident was classified as minor and has been fully restored.

Minor April 27, 2026

April 2026: Ingestion delays and intermittent query failures

Detected Apr 27, 2026 12:52 PM EDT · Resolved Apr 27, 2026 5:00 PM EDT · Duration about 4 hours

Sentry experienced a 4.1-hour incident involving delays in their ingestion pipeline and intermittent query failures, which caused Explorer views to operate in a degraded state. The team gradually restored ingestion to normal levels and slowly increased write traffic to minimize API failures. The incident was fully resolved after a monitoring period to ensure system stability.

Minor April 22, 2026

April 2026: Application errors in Sentry [us]

Detected Apr 22, 2026 10:06 PM EDT · Resolved Apr 22, 2026 10:17 PM EDT · Duration 11 minutes

Sentry experienced application errors in their US region that affected API and dashboard performance, as well as causing ingestion delays for spans and replays of approximately 10 minutes. The incident lasted 11 minutes total, with API and dashboard performance recovering first, followed by the ingestion backlog catching up. All application features returned to normal operation after the brief outage.

Minor April 17, 2026

April 2026: sentry.io intermittent availability

Detected Apr 17, 2026 3:04 PM EDT · Resolved Apr 17, 2026 3:18 PM EDT · Duration 14 minutes

Sentry.io experienced intermittent availability issues for 14 minutes. The service was classified as having minor impact during the outage. A fix was implemented and the incident was resolved after monitoring confirmed the solution was effective.