Outage report · Partial outage

CircleCI outage on Oct 6, 2026

Delays in pipelines, workflows, UI data, and notifications

SeverityPartial outage

StartedOct 6, 2026, 16:00UTC

ResolvedOct 6, 2026, 21:18UTC

Duration5h 18m

What happened

CircleCI reported a partial outage starting Oct 6, 2026, 16:00 UTC, affecting Pipelines & Workflows, Notifications & Status Updates. It was marked resolved at Oct 6, 2026, 21:18 UTC.

The incident lasted 5h 18m from first report to resolution.
It was the 2nd longest of 4 significant outages CircleCI reported in the 12 months up to it.
CircleCI had reported 1 other partial or major outage in the 90 days before it.
6 other vendors we track reported a significant incident within 12 hours of it.

Latest update from CircleCI

## Summary On October 6, 2026, from 15:30 to 20:30 UTC, CircleCI customers experienced delays creating pipelines and starting workflows and jobs. From 15:48 to 16:38 UTC, no workflows or jobs started, and pipelines triggered from 16:02 UTC failed. Shorter, intermittent delays began earlier, at 13:30 UTC. Data in the CircleCI UI, notifications, and commit status updates to version control providers were also delayed. The incident started in the database behind our workflow orchestration service, which coordinates every pipeline, workflow and job on CircleCI. Routine maintenance on the database's largest tables wrote transaction logs faster than the database could archive them, and the logs filled the storage volume set aside for them. To keep the database from becoming read-only, our engineers moved the logs to the database's main storage volume. That move took the database offline for 50 minutes. When the database came back, it processed work at about half its normal rate until our e

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