# Pinecone: [Serverless][GCP][us-central1] 5xx errors on some read operations for some indexes

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-03-04 21:06 UTC · Resolved: 2026-03-04 22:16 UTC · Duration: 1.2 h
- Updates: 3 · Affected components: GCP us-central1, Serverless Indexes - GCP us-central1
- [Vendor status page: https://stspg.io/yx5v2py96z2k](https://stspg.io/yx5v2py96z2k)
- [Company: Pinecone](https://rewindex.com/company/pinecone.md)

## Summary

Pinecone reported a major incident causing 5xx errors on some read operations for some Serverless indexes in GCP us-central1. It started at 2026-03-04 21:06 UTC and was resolved at 2026-03-04 22:16 UTC, lasting 1 h 10 min. A fix was implemented; affected customers could encounter failed reads during the incident. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-03-04 21:06 UTC: We are currently investigating this issue.
- **monitoring** 2026-03-04 22:11 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2026-03-04 22:16 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-03-04 21:06 UTC: [Major incident: \[Serverless\]\[GCP\]\[us-central1\] 5xx errors on some read operations for some indexes](https://rewindex.com/change/ic0df528a1362f6.md)


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Canonical: https://rewindex.com/company/pinecone/incidents/zd8c7hb0vpt6 · Markdown: https://rewindex.com/company/pinecone/incidents/zd8c7hb0vpt6.md · JSON: https://rewindex.com/api/v1/companies/pinecone/incidents/zd8c7hb0vpt6 · Generated 2026-10-18T12:22:10.362Z