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

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-05-13 20:14 UTC · Resolved: 2026-05-13 21:15 UTC · Duration: 1.0 h
- Updates: 3 · Affected components: AWS us-east-1, Serverless Indexes - AWS us-east-1
- [Vendor status page: https://stspg.io/0707b83qf179](https://stspg.io/0707b83qf179)
- [Company: Pinecone](https://rewindex.com/company/pinecone.md)

## Summary

Some Pinecone indexes in AWS us-east-1 experienced 5xx errors on read and write operations, affecting Serverless Indexes. Pinecone rated the incident major; it started at 2026-05-13 20:14 UTC and was resolved at 2026-05-13 21:15 UTC, lasting 1 h 1 min. Pinecone reported identifying the issue and implementing a fix but gave no cause or fix details. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-05-13 20:14 UTC: We are currently investigating this issue.
- **identified** 2026-05-13 20:16 UTC: The issue has been identified and a fix is being implemented.
- **resolved** 2026-05-13 21:15 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-05-13 20:14 UTC: [Major incident: \[AWS\]\[us-east-1\] 5xx errors on read and write operations for some indexes](https://rewindex.com/change/ic72499f7d4eeca.md)


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Canonical: https://rewindex.com/company/pinecone/incidents/5552m09bjpdj · Markdown: https://rewindex.com/company/pinecone/incidents/5552m09bjpdj.md · JSON: https://rewindex.com/api/v1/companies/pinecone/incidents/5552m09bjpdj · Generated 2026-10-18T09:37:13.892Z