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

Impact: majorStatus: resolvedStarted 2025-12-03 15:53 UTCResolved 2025-12-03 16:40 UTC (46 min)4 updatesSource: stspg.io

Summary

Pinecone reported a major incident causing 5xx errors on read-path operations for some Serverless namespaces in AWS us-west-2, affecting customer reads. It started at 2025-12-03 15:53 UTC and was resolved at 2025-12-03 16:40 UTC, lasting 46 min; Pinecone implemented a fix but did not state a cause.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: AWS us-west-2Serverless Indexes - AWS us-west-2

Timeline of updates

investigating2025-12-03 15:53 UTC
We are currently investigating this issue.
identified2025-12-03 16:15 UTC
The issue has been identified and a fix is being implemented.
monitoring2025-12-03 16:31 UTC
A fix has been implemented and we are monitoring the results.
resolved2025-12-03 16:40 UTC
This incident has been resolved.

Rewindex changes for this incident

Major incident: [Serverless][AWS][us-west-2] 5xx errors on read path operations for some namespaces 2025-12-03 15:53 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