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Outage in Datadog US1

Host Tags, Service Checks, and Datadog Events Delayed Evaluation

Resolved Minor
September 29, 2025 - Started 4 months ago - Lasted about 1 hour
Official incident page

Incident Report

We’re currently investigating an issue causing delayed processing of host tag updates, Service Checks and Datadog Events, which may result in stale data appearing in the frontend. Our team is actively working to mitigate and fully resolve this. I’ll follow up as soon as the issue has been resolved. To prevent spurious alerts, we have temporarily disabled monitors based on this data.

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Latest Updates ( sorted recent to last )
RESOLVED 4 months ago - at 09/29/2025 07:43PM

This incident has been resolved.

MONITORING 4 months ago - at 09/29/2025 07:36PM

Service Check and Datadog Events monitor evaluation has recovered and data is up-to-date. Host tag updates are still recovering and stale host tags may appear in the frontend.

IDENTIFIED 4 months ago - at 09/29/2025 06:20PM

The issue has been identified and a fix is being implemented.

INVESTIGATING 4 months ago - at 09/29/2025 06:17PM

We’re currently investigating an issue causing delayed processing of host tag updates, Service Checks and Datadog Events, which may result in stale data appearing in the frontend. Our team is actively working to mitigate and fully resolve this. I’ll follow up as soon as the issue has been resolved. To prevent spurious alerts, we have temporarily disabled monitors based on this data.

Latest Datadog US1 outages

Delayed Events - 3 days ago
Delayed Processes data - about 1 month ago
Delayed APM metric ingestion - about 1 month ago

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