# Pinecone: [Serverless][AWS][us-east-1] 5xx errors on read operations for some indexes

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-09-02 22:46 UTC · Resolved: 2025-09-03 14:00 UTC · Duration: 15 h
- Updates: 3 · Affected components: AWS us-east-1, Serverless Indexes - AWS us-east-1
- [Vendor status page: https://stspg.io/xqt748m0rhc5](https://stspg.io/xqt748m0rhc5)
- [Company: Pinecone](https://rewindex.com/company/pinecone.md)

## Summary

Pinecone reported a major incident affecting Serverless indexes in AWS us-east-1, with 5xx errors on read operations for some indexes. It started at 2025-09-02 22:46 UTC and was resolved at 2025-09-03 14:00 UTC, lasting 15 h 14 min. Pinecone stated that a fix was implemented and monitored before resolution. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-09-02 22:46 UTC: We are currently investigating this issue.
- **monitoring** 2025-09-03 13:10 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2025-09-03 14:00 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-09-02 22:46 UTC: [Major incident: \[Serverless\]\[AWS\]\[us-east-1\] 5xx errors on read operations for some indexes](https://rewindex.com/change/i389510c5b2f6dc.md)


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Canonical: https://rewindex.com/company/pinecone/incidents/z93m5f6xdjpb · Markdown: https://rewindex.com/company/pinecone/incidents/z93m5f6xdjpb.md · JSON: https://rewindex.com/api/v1/companies/pinecone/incidents/z93m5f6xdjpb · Generated 2026-10-18T12:20:57.345Z