Changes / Astronomer / Astro UI and API are appearing offline for some users

Astronomer: Major incident: Astro UI and API are appearing offline for some users

Summary

Astro UI and API appeared offline for some users in a major incident starting 2026-10-13 18:02 UTC, resolved at 2026-10-13 19:53 UTC (1 h 51 min). Existing tasks and Dag Runs continued successfully. Restarting a service experiencing higher-than-expected load restored functionality; Astronomer identified a proximate cause but did not disclose it.

Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.

Major incidentLabel: outage (model (Jev), 79%)Changed Detected Source: status.astronomer.io

What changed

AddedTitle#1
Before: not present
After: Astro UI and API are appearing offline for some users
AddedImpact#2
Before: not present
After: major
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2026-10-13 18:02 UTC
AddedResolved time#5
Before: not present
After: 2026-10-13 19:53 UTC
AddedUpdateinvestigating#6
Before: not present
After: The Astro Core API is showing an elevated number of errors. We are investigating actively and will update as soon as we know more. Next update will be within the next 30 minutes.
AddedUpdateinvestigating#7
Before: not present
After: Our metrics indicate no impact on existing tasks and Dag Runs. They are continuing to run successfully. We are continuing to investigate what is causing the API and UI errors and are attempting a workaround.
AddedUpdatemonitoring#8
Before: not present
After: We have restarted one of our services that was experiencing higher than expected load. This has returned the Astro UI and API to functionality. We are continuing to investigate root cause.
AddedUpdateresolved#9
Before: not present
After: We have identified the proximate cause of the incident and are confident that the situation is stable. We will follow up with more detail in a postmortem at a later date.

First version of this incident archived by Rewindex. View the live incident.

History of this incident

When (UTC)ChangeKind
Major incident: Astro UI and API are appearing offline for some users (this change)
Astro UI and API appeared offline for some users in a major incident starting 2026-10-13 18:02 UTC, resolved at 2026-10-13 19:53 UTC (1 h 51 min). Existing tasks and Dag Runs continued successfully. Restarting a service experiencing higher-than-expected load restored functionality; Astronomer identified a proximate cause but did not disclose it.
Major incident

All Astronomer changes → · Astronomer profile · Markdown · JSON