Sumo Logic Outage History

Sumo Logic experienced a brief issue with Metrics Collection that caused delays in processing metrics data. The problem primarily affected the Metrics Collection component in the Korea (KR) region; while all data was safely collected, dashboards and UI metrics queries that scan long data ranges could experience slower results during the event.

The outage affected Logs Alerting and Metrics Alerting in the North America 2 (US2) region. Alerts generated by scheduled searches and monitors may not have fired as expected for some users. The incident began at Nov 25, 2025 11:40 PM UTC and was resolved by Nov 26, 2025 12:55 AM UTC, lasting about 1 hour and 15 minutes. The provider issued 2 status updates during the incident.

A brief outage affected Sumo Logic's Metrics Alerting in North America 2 (US2), causing latency in processing and displaying metrics data and potentially delaying alerts for some users. The incident began on 4:20 PM UTC and was resolved by 4:40 PM UTC, lasting about 20 minutes. The provider issued two status updates during the outage to communicate the issue and its recovery.

Sumo Logic experienced regional degradation in the US2 (North America 2) data pipelines, affecting Metrics Collection, Tracing Collection, and Logs Collection. Users may have observed latency in processing and displaying metrics, traces, and log data. The incident began at 12:55 AM UTC and persisted for about 6 hours and 15 minutes, with all affected components returning to normal by 7:10 AM UTC.

Sumo Logic issued six status updates during the incident, detailing ongoing investigations and remediation efforts. The disruption was localized to the US2 region and involved three components across metrics, tracing, and logs collection. By the end of the incident, all three components had recovered and normal operation was restored.

Sumo Logic experienced an incident affecting Metrics Indexing, causing latency in processing and displaying metrics data. Users may not see recently ingested time series in responses for queries that scan more than 24 hours of data. Newer dimensions were not available in metrics autocomplete results. The outage affected Metrics Collection / North America 1 (US1) and Metrics Searches / North America 1 (US1).

The outage began on Nov 19, 2025 10:55 PM UTC and was resolved by Nov 20, 2025 1:55 AM UTC, lasting about 3 hours. The provider issued 2 status updates during the incident, describing the ongoing investigation and restoration of normal operations.

Sumo Logic conducted a scheduled maintenance window in the Authentication / North America 1 (US1) region. The window began at 5:00 AM UTC and concluded at 7:00 AM UTC, lasting about 2 hours. During the window, users may have experienced unexpected sign-outs or brief authentication interruptions affecting the US1 authentication component.

Sumo Logic conducted scheduled maintenance on the Authentication / North America 2 (US2) component, with a window from 5:00 AM UTC to 7:00 AM UTC. During this window, some users may have been unexpectedly logged out and needed to re-authenticate. The changes were designed to minimize impact and required no action from customers.

The US2 authentication path returned to normal after the window, around 7:00 AM UTC. The provider issued 2 status updates during the incident, and the geographic impact was limited to North America, specifically the US2 authentication service. Overall, the incident was contained with no broader service disruption.

Sumo Logic conducted scheduled maintenance affecting authentication services in Japan and Australia. In Japan, the Authentication / Japan component began maintenance at Nov 8, 2025 9:00 PM UTC and remained in maintenance until Nov 8, 2025 11:00 PM UTC. In Australia, the Authentication / Australia component began at Nov 8, 2025 9:30 PM UTC and completed at Nov 8, 2025 11:30 PM UTC. During the maintenance window, users could be unexpectedly logged out of the Sumo User Interface; re-login would allow continued use, and no data loss was expected. The combined maintenance spanned roughly 2.5 hours from Nov 8, 2025 9:00 PM UTC to Nov 8, 2025 11:30 PM UTC.

Sumo Logic conducted a scheduled maintenance window affecting the Authentication / Europe 1 (EU) component. The window ran from Nov 7, 2025 10:00 PM UTC to Nov 8, 2025 12:00 AM UTC, lasting 2 hours. During the window, users may have been logged out of the Sumo User Interface; logging back in typically resumes normal use and no data loss is expected.

Sumo Logic reported a data indexing issue that caused latency in processing and displaying metrics data. The problem was isolated to the Data Indexing / North America 1 (US1) component, resulting in delayed visibility of metrics for affected users.

The outage began at 8:00 AM UTC and was resolved by 8:35 AM UTC. The incident lasted about 35 minutes. The Sumo Logic status page issued two updates during the incident, describing an investigation and the subsequent recovery of the US1 data indexing service.