Pinecone: [Serverless][AWS][eu-west-1] 5xx on read requests

Impact: majorStatus: resolvedStarted 2026-09-22 23:34 UTCResolved 2026-09-23 00:32 UTC (58 min)3 updatesSource: stspg.io

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 archived incident (Sol). Check the timeline before relying on it.

Affected components: AWS eu-west-1Serverless Indexes - AWS eu-west-1

Timeline of updates

identified2026-09-22 23:34 UTC
The issue has been identified and mitigation is being actioned. A small percentage of read requests are impacted.
monitoring2026-09-23 00:05 UTC
We have mitigated the errors and are monitoring to ensure there is no reoccurrence.
resolved2026-09-23 00:32 UTC
This incident has been resolved.

Rewindex changes for this incident

Major incident: [Serverless][AWS][eu-west-1] 5xx on read requests 2026-09-22 23:34 UTC

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Pinecone profile · Recent Pinecone incidents · Markdown · JSON