Pinecone: [Serverless][AWS][us-east-1] 5xx errors on read operations for some indexes

Impact: majorStatus: resolvedStarted 2026-01-15 12:12 UTCResolved 2026-01-15 15:30 UTC (3.3 h)4 updatesSource: stspg.io

Summary

Pinecone reported a major incident causing 5xx errors on read operations for some Serverless indexes in AWS us-east-1. It started at 2026-01-15 12:12 UTC and was resolved at 2026-01-15 15:30 UTC, lasting 3 h 18 min. A fix was implemented by 2026-01-15 14:30 UTC; no cause was stated.

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

Affected components: AWS us-east-1Serverless Indexes - AWS us-east-1

Timeline of updates

investigating2026-01-15 12:12 UTC
We are currently investigating this issue.
identified2026-01-15 13:57 UTC
The issue has been identified and a fix is being implemented.
monitoring2026-01-15 14:30 UTC
A fix has been implemented and we are monitoring the results.
resolved2026-01-15 15:30 UTC
This incident has been resolved.

Rewindex changes for this incident

Major incident: [Serverless][AWS][us-east-1] 5xx errors on read operations for some indexes 2026-01-15 12:12 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