Pinecone: [Serverless][AWS][us-west-2] 5xx errors and longer response times on upsert requests for some indexes.

Impact: majorStatus: resolvedStarted 2026-05-25 13:41 UTCResolved 2026-05-25 15:00 UTC (1.3 h)4 updatesSource: stspg.io

Summary

Pinecone reported a major incident causing 5xx errors and longer response times for upsert requests on some Serverless indexes in AWS us-west-2. It started at 2026-05-25 13:41 UTC and was resolved at 2026-05-25 15:00 UTC, lasting 1 h 18 min. A fix was implemented, but no cause was stated.

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

investigating2026-05-25 13:41 UTC
We are currently investigating this issue.
identified2026-05-25 14:06 UTC
The issue has been identified and a fix is being implemented.
monitoring2026-05-25 14:32 UTC
A fix has been implemented and we are monitoring the results.
resolved2026-05-25 15:00 UTC
This incident has been resolved.

Rewindex changes for this incident

Major incident: [Serverless][AWS][us-west-2] 5xx errors and longer response times on upsert requests for some indexes. 2026-05-25 13:41 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