# Datadog: Major incident: Intermittent "No Data" Status for Monitors

**Summary:** Datadog reported a major incident where some metric monitors intermittently showed "No Data," primarily affecting distribution-metric monitors and making alerting potentially unreliable. It started at 2026-03-19 00:54 UTC and lasted 1 h 59 min, resolving at 2026-03-19 02:53 UTC; a fix was implemented. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-03-19 00:54 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/43kkcl1tqrrk](https://stspg.io/43kkcl1tqrrk)
- [Company: Datadog](https://rewindex.com/company/datadog.md)
- Versions: before (none: first archived) → after incident\_version:274/j5zpb9phy9m6@a9635e04cc68
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Intermittent "No Data" Status for Monitors
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-03-19 00:54 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-03-19 02:53 UTC
```

**6. Added: Affected components**

```diff
+ Monitors
```

**7. Added: Update** (investigating) · 2026-03-19 00:54 UTC

```diff
+ We are investigating an issue causing some metric monitors to intermittently report "No Data" status. This primarily affects monitors based on distribution metrics. Monitor alerting may be unreliable during this time. We are actively investigating and will provide updates as available.
```

**8. Added: Update** (investigating) · 2026-03-19 01:27 UTC

```diff
+ We are continuing to investigate the issue and will provide updates as available.
```

**9. Added: Update** (investigating) · 2026-03-19 02:04 UTC

```diff
+ We are continuing to investigate the issue and will provide updates as available.
```

**10. Added: Update** (monitoring) · 2026-03-19 02:39 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**11. Added: Update** (resolved) · 2026-03-19 02:53 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-03-19 00:54 UTC | Major incident: Intermittent "No Data" Status for Monitors (this change) | degradation |

All Datadog changes: [timeline](https://rewindex.com/company/datadog/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/id5fdd134ce080b · Markdown: https://rewindex.com/change/id5fdd134ce080b.md · JSON: https://rewindex.com/api/v1/changes/id5fdd134ce080b · Generated 2026-10-18T02:54:10.133Z