# Pinecone: [Serverless][AWS][eu-west-1] 5xx errors on some write path operations

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-11-06 14:38 UTC · Resolved: 2025-11-06 14:40 UTC · Duration: 2 min
- Updates: 2 · Affected components: AWS eu-west-1, Serverless Indexes - AWS eu-west-1
- [Vendor status page: https://stspg.io/50rgkr4rx018](https://stspg.io/50rgkr4rx018)
- [Company: Pinecone](https://rewindex.com/company/pinecone.md)

## Summary

Pinecone reported a major incident causing 5xx errors on some Serverless write path operations in AWS eu-west-1, affecting customers writing to indexes in that region. It started at 2025-11-06 14:38 UTC and was resolved at 2025-11-06 14:40 UTC, lasting 2 min; no cause or fix was stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-11-06 14:38 UTC: We are currently investigating this issue.
- **resolved** 2025-11-06 14:40 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-11-06 14:38 UTC: [Major incident: \[Serverless\]\[AWS\]\[eu-west-1\] 5xx errors on some write path operations](https://rewindex.com/change/i7cab8de530fcc7.md)


---
Canonical: https://rewindex.com/company/pinecone/incidents/knqbclkz22d6 · Markdown: https://rewindex.com/company/pinecone/incidents/knqbclkz22d6.md · JSON: https://rewindex.com/api/v1/companies/pinecone/incidents/knqbclkz22d6 · Generated 2026-10-18T13:30:58.750Z