Changes / Pinecone / [Serverless][AWS][eu-west-1] 5xx on read requests
Pinecone: Major incident: [Serverless][AWS][eu-west-1] 5xx on read requests
Summary
Pinecone reported a major incident affecting a small percentage of Serverless read requests in AWS eu-west-1 with 5xx errors. It started at 2026-09-22 23:34 UTC and was resolved at 2026-09-23 00:32 UTC, lasting 57 min. Pinecone reported mitigating the errors at 2026-09-23 00:05 UTC.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: [Serverless][AWS][eu-west-1] 5xx on read requests
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After: major
Before: not present
After: resolved
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After: 2026-09-22 23:34 UTC
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After: 2026-09-23 00:32 UTC
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After: AWS eu-west-1, Serverless Indexes - AWS eu-west-1
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After: The issue has been identified and mitigation is being actioned. A small percentage of read requests are impacted.
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After: We have mitigated the errors and are monitoring to ensure there is no reoccurrence.
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After: This incident has been resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: [Serverless][AWS][eu-west-1] 5xx on read requests (this change) Pinecone reported a major incident affecting a small percentage of Serverless read requests in AWS eu-west-1 with 5xx errors. It started at 2026-09-22 23:34 UTC and was resolved at 2026-09-23 00:32 UTC, lasting 57 min. Pinecone reported mitigating the errors at 2026-09-23 00:05 UTC. | Major incident |