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

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-12-31 03:13 UTC · Resolved: 2025-12-31 03:29 UTC · Duration: 16 min
- Updates: 4 · Affected components: AWS us-west-2, Serverless Indexes - AWS us-west-2
- [Vendor status page: https://stspg.io/f2r2fyxgjws4](https://stspg.io/f2r2fyxgjws4)
- [Company: Pinecone](https://rewindex.com/company/pinecone.md)

## Summary

Pinecone reported a major incident causing 5xx errors on some Serverless read-path operations in AWS us-west-2. It started at 2025-12-31 03:13 UTC and was resolved at 2025-12-31 03:29 UTC, lasting 16 min; a fix was implemented, but no cause was stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-12-31 03:13 UTC: We are currently investigating this issue.
- **identified** 2025-12-31 03:17 UTC: The issue has been identified and a fix is being implemented.
- **monitoring** 2025-12-31 03:25 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2025-12-31 03:29 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-12-31 03:13 UTC: [Major incident: \[Serverless\]\[AWS\]\[us-west-2\] 5xx errors on some read path operations](https://rewindex.com/change/i6c993bd83687b3.md)


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Canonical: https://rewindex.com/company/pinecone/incidents/mkktln47h1p1 · Markdown: https://rewindex.com/company/pinecone/incidents/mkktln47h1p1.md · JSON: https://rewindex.com/api/v1/companies/pinecone/incidents/mkktln47h1p1 · Generated 2026-10-18T09:38:38.229Z