# Mezmo: Major incident: LogDNA Web UI is unresponsive

**Summary:** Mezmo reported a major incident affecting LogDNA’s Web App, Livetail and Search: pages were not loading consistently. It started at 2021-04-20 09:04 UTC and was resolved at 2021-04-20 11:54 UTC, lasting 2 h 50 min. Engineers applied a fix, and logs were accessible in the web app upon resolution. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2021-04-20 09:04 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/k9rdhktcgyy1](https://stspg.io/k9rdhktcgyy1)
- [Company: Mezmo](https://rewindex.com/company/mezmo.md)
- Versions: before (none: first archived) → after incident\_version:282/52jrnyhhnvtj@5f84139737f6
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ LogDNA Web UI is unresponsive
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2021-04-20 09:04 UTC
```

**5. Added: Resolved time**

```diff
+ 2021-04-20 11:54 UTC
```

**6. Added: Affected components**

```diff
+ Livetail, Search, Web App
```

**7. Added: Update** (investigating) · 2021-04-20 09:04 UTC

```diff
+ Our WebUI is not loading pages consistently. We are currently investigating the issue.
```

**8. Added: Update** (investigating) · 2021-04-20 09:04 UTC

```diff
+ We are continuing to investigate this issue.
```

**9. Added: Update** (monitoring) · 2021-04-20 10:08 UTC

```diff
+ Our engineers applied a fix and we are monitoring the results.
```

**10. Added: Update** (monitoring) · 2021-04-20 11:12 UTC

```diff
+ Web app is operational and we are continuing to monitor all services.
```

**11. Added: Update** (resolved) · 2021-04-20 11:54 UTC

```diff
+ The incident has been resolved and the logs are accessible in web app.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2021-04-20 09:04 UTC | Major incident: LogDNA Web UI is unresponsive (this change) | outage |

All Mezmo changes: [timeline](https://rewindex.com/company/mezmo/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/i23af9b80e0d014 · Markdown: https://rewindex.com/change/i23af9b80e0d014.md · JSON: https://rewindex.com/api/v1/changes/i23af9b80e0d014 · Generated 2026-10-18T02:31:34.580Z