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

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-01-15 12:12 UTC · Resolved: 2026-01-15 15:30 UTC · Duration: 3.3 h
- Updates: 4 · Affected components: AWS us-east-1, Serverless Indexes - AWS us-east-1
- [Vendor status page: https://stspg.io/27sn0745j130](https://stspg.io/27sn0745j130)
- [Company: Pinecone](https://rewindex.com/company/pinecone.md)

## Summary

Pinecone reported a major incident causing 5xx errors on read operations for some Serverless indexes in AWS us-east-1. It started at 2026-01-15 12:12 UTC and was resolved at 2026-01-15 15:30 UTC, lasting 3 h 18 min. A fix was implemented by 2026-01-15 14:30 UTC; no cause was stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-01-15 12:12 UTC: We are currently investigating this issue.
- **identified** 2026-01-15 13:57 UTC: The issue has been identified and a fix is being implemented.
- **monitoring** 2026-01-15 14:30 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2026-01-15 15:30 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-01-15 12:12 UTC: [Major incident: \[Serverless\]\[AWS\]\[us-east-1\] 5xx errors on read operations for some indexes](https://rewindex.com/change/i92d0357d0f2a0f.md)


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Canonical: https://rewindex.com/company/pinecone/incidents/gdb2r1qlhqy1 · Markdown: https://rewindex.com/company/pinecone/incidents/gdb2r1qlhqy1.md · JSON: https://rewindex.com/api/v1/companies/pinecone/incidents/gdb2r1qlhqy1 · Generated 2026-10-18T11:34:16.875Z