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

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-12-03 15:53 UTC · Resolved: 2025-12-03 16:40 UTC · Duration: 46 min
- Updates: 4 · Affected components: AWS us-west-2, Serverless Indexes - AWS us-west-2
- [Vendor status page: https://stspg.io/6hd1rxbf2j4w](https://stspg.io/6hd1rxbf2j4w)
- [Company: Pinecone](https://rewindex.com/company/pinecone.md)

## Summary

Pinecone reported a major incident causing 5xx errors on read-path operations for some Serverless namespaces in AWS us-west-2, affecting customer reads. It started at 2025-12-03 15:53 UTC and was resolved at 2025-12-03 16:40 UTC, lasting 46 min; Pinecone implemented a fix but did not state a cause. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-12-03 15:53 UTC: We are currently investigating this issue.
- **identified** 2025-12-03 16:15 UTC: The issue has been identified and a fix is being implemented.
- **monitoring** 2025-12-03 16:31 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2025-12-03 16:40 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-12-03 15:53 UTC: [Major incident: \[Serverless\]\[AWS\]\[us-west-2\] 5xx errors on read path operations for some namespaces](https://rewindex.com/change/i146a4e78e84269.md)


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Canonical: https://rewindex.com/company/pinecone/incidents/th4c4dx3c70d · Markdown: https://rewindex.com/company/pinecone/incidents/th4c4dx3c70d.md · JSON: https://rewindex.com/api/v1/companies/pinecone/incidents/th4c4dx3c70d · Generated 2026-10-18T12:19:40.636Z