# Customers on c102 are experiencing degraded performance

- Provider: [Iterable](https://down.guide/iterable)
- Level: confirmed
- Impact: Degraded
- lasted 1h 14m
- started 2026-03-17 18:07 UTC
- Email Sends, Journey Processing, Push Sends +4
- id: DWN-65942f14d8
- Official page: https://stspg.io/217vzymwgb25

## Updates from Iterable
### 2026-03-17 18:07 UTC: investigating
We are currently investigating an issue for one of ES clusters - c102 - The cluster is in a red state, leading to very slow ingestion and widespread API 500 errors.
Customers are experiencing failed searches and errors on multiple API endpoints. Ingestion rates are near zero, with lag up to 20 minutes and increasing for internal, realtime, and bulk data pipelines.

### 2026-03-17 18:43 UTC: investigating
Engineering is continuing to investigate this issue. At this time there is no improvement yet to any customers on C102. Next Update at 12:15 PDT or sooner.

### 2026-03-17 19:00 UTC: monitoring
Engineering has restored C102 back to a "green" state and ingestion and API calls are succeeding again for this cluster. We will continue to monitor until we are fully through the accumulated backlog. Next update at 1 PM PDT or sooner.

### 2026-03-17 19:21 UTC: resolved
We have fully caught up with any backlog on C102 and all queries and activity through C102 are functioning normally. If you continue to experience any issues please contact Support.

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