# Lightstep (ServiceNow Cloud Observability): Critical incident: Alert evaluation delays

**Summary:** _summary pending_
- Kind: Major incident · Label: critical (vendor)
- Changed: 2023-01-19 23:18 UTC · Detected: 2026-10-19 18:33 UTC
- [Source: https://stspg.io/bmkys17ygs5p](https://stspg.io/bmkys17ygs5p)
- [Company: Lightstep (ServiceNow Cloud Observability)](https://rewindex.com/company/lightstep.md)
- Versions: before (none: first archived) → after incident\_version:742/xp2z3d81wkk2@ba0549adddf3
- Change 1 of 1 for this incident

Incident page (full timeline): [Alert evaluation delays](https://rewindex.com/company/lightstep/incidents/xp2z3d81wkk2.md)
## What changed

**1. Added: Title**

```diff
+ Alert evaluation delays
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2023-01-19 23:18 UTC
```

**5. Added: Resolved time**

```diff
+ 2023-01-20 01:25 UTC
```

**6. Added: Affected components**

```diff
+ Observability - Alerting - Metric alerting, Observability - Alerting - Trace alerting, US - Streams Alerting, US - Unified Alerting
```

**7. Added: Update** (investigating) · 2023-01-19 23:18 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (monitoring) · 2023-01-19 23:30 UTC

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

**9. Added: Update** (resolved) · 2023-01-20 01:25 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2023-01-19 23:18 UTC | Critical incident: Alert evaluation delays (this change) | critical |

All Lightstep (ServiceNow Cloud Observability) changes: [timeline](https://rewindex.com/company/lightstep/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._


---
Canonical: https://rewindex.com/change/i1604c6f0304ce6 · Markdown: https://rewindex.com/change/i1604c6f0304ce6.md · JSON: https://rewindex.com/api/v1/changes/i1604c6f0304ce6 · Generated 2026-10-20T00:48:50.671Z