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CompaniesAstronomerIncidents

Astronomer: Delayed delivery of Astro Alerts

MajorStatus: monitoringeditedStarted Not resolved4 updatesstatus.astronomer.io (opens in new tab)
Summary

Astro Alerts notifications may be delayed for some customers in an incident Astronomer rated major, starting at 2026-10-20 06:40 UTC. It was still open when archived, open for 0 min at the last update; Astronomer was investigating and had not stated a cause or fix.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Part of an outage event

Google Cloud europe-west2 outage, Oct 20, 2026 · 19 vendors, 19 incidents

Astronomer’s incident started in the same window without naming Google Cloud (timing only, not evidence of a link). (timing only, posted +32 min vs Google Cloud’s own post)

Swipe sideways to see the whole diagram.

same windowGoogle Cloud europe-west2posted 06:08 UTCPosted before Google Cloud did1 vendor, 1 blamed Google CloudJFrogWithin an hour4 vendors, 4 blamed Google CloudAiven, Northflank, Elastic Cloud, dbt Labs1 to 4 hours later4 vendors, 4 blamed Google CloudMongoDB Atlas, Sourcegraph, CockroachDB, ClickHouse CloudLater2 vendors, 1 blamed Google CloudGrafana Cloud, ConfluentAstronomer (this incident)posted +32 min
same windowGoogle Cloud europe-west2posted 06:08 UTCPosted before Google Cloud did1 vendor, 1 blamed GoogleCloudJFrogWithin an hour4 vendors, 4 blamed GoogleCloudAiven, Northflank, Elastic Cloud,dbt Labs1 to 4 hours later4 vendors, 4 blamed GoogleCloudMongoDB Atlas, Sourcegraph,CockroachDB, ClickHouseCloudLater2 vendors, 1 blamed GoogleCloudGrafana Cloud, ConfluentAstronomer (this incident)posted +32 min
Astronomer is outlined in red. Groups show up to a few vendors each; the event page lists every incident.
Mermaid source
flowchart LR
  root["Google Cloud europe-west2<br/>posted 06:08 UTC"]:::root
  before["Posted before Google Cloud did<br/>1 vendor, 1 blamed Google Cloud<br/>JFrog"]:::blames
  root --> before
  h1["Within an hour<br/>4 vendors, 4 blamed Google Cloud<br/>Aiven, Northflank, Elastic Cloud, dbt Labs"]:::blames
  root --> h1
  h4["1 to 4 hours later<br/>4 vendors, 4 blamed Google Cloud<br/>MongoDB Atlas, Sourcegraph, CockroachDB, ClickHouse Cloud"]:::blames
  root --> h4
  later["Later<br/>2 vendors, 1 blamed Google Cloud<br/>Grafana Cloud, Confluent"]:::blames
  root --> later
  me["Astronomer (this incident)<br/>posted +32 min"]:::me
  root -.->|"same window"| me

Full event: timeline, evidence and all vendors →

Detected automatically from incidents that started together and named the same provider. A link means one vendor’s incident named another, not a confirmed cause.

Affected components: Astro ObserveAstro Observe

Timeline of updates

  1. investigating

    We are investigating an issue where Astro Alerts notifications may be delayed for some customers. Our team is actively working to resolve the issue, and we will provide an update as soon as we have more information.

  2. identified

    We have identified the cause and are rolling out a fix to the affected deployments. Alerts held during the incident have started to be delivered, and some alerts may continue to be delayed until the rollout is complete. We will provide another update once the fix is fully rolled out.

  3. identified

    The fix has been applied to the majority of affected deployments, and delayed alerts continue to be delivered as we process the backlog. We are addressing a small number of remaining deployments and will provide another update once this is complete.

  4. monitoring

    The backlog of delayed Astro Alerts has been fully processed, and we are monitoring recovery following the fix. A small number of alerts may still be briefly delayed as the fix completes on remaining systems.

Changes Rewindex caught on this incident

Archive proof

Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.

How the archive is checked, and what it cannot prove.

Rewindex captured this after the last checkpoint; the next run () commits it.

Impact, status and times are the vendor’s own, as last archived. View on status.astronomer.io (opens in new tab).

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