# Pinecone: [Serverless][AWS][us-west-2] 5xx errors on some read operations

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-09-10 12:52 UTC · Resolved: 2025-09-10 17:22 UTC · Duration: 4.5 h
- Updates: 3 · Affected components: AWS us-west-2, Serverless Indexes - AWS us-west-2
- [Vendor status page: https://stspg.io/7nw6yhg3r416](https://stspg.io/7nw6yhg3r416)
- [Company: Pinecone](https://rewindex.com/company/pinecone.md)

## Summary

Pinecone reported a major incident causing 5xx errors on some Serverless read operations in AWS us-west-2, from 2025-09-10 12:52 UTC to 2025-09-10 17:22 UTC (4 h 30 min). A fix was implemented by 2025-09-10 13:16 UTC, followed by monitoring and resolution. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-09-10 12:52 UTC: We are currently investigating this issue.
- **monitoring** 2025-09-10 13:16 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2025-09-10 17:22 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-09-10 12:52 UTC: [Major incident: \[Serverless\]\[AWS\]\[us-west-2\] 5xx errors on some read operations](https://rewindex.com/change/iaa072cf6246d1b.md)


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Canonical: https://rewindex.com/company/pinecone/incidents/zwt8stcdvdq5 · Markdown: https://rewindex.com/company/pinecone/incidents/zwt8stcdvdq5.md · JSON: https://rewindex.com/api/v1/companies/pinecone/incidents/zwt8stcdvdq5 · Generated 2026-10-18T12:19:47.741Z