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Pinecone: [Serverless][Azure][eastus2] 5xx errors on some read and write operations

Impact: majorStatus: resolvedStarted Resolved (1.4 h)4 updatesSource: stspg.io (opens in new tab)
Summary

Pinecone reported a major incident affecting Serverless Indexes in Azure eastus2, with 5xx errors on some read and write operations. It started at 2025-10-21 17:57 UTC and resolved at 2025-10-21 19:24 UTC, lasting 1 h 26 min. A fix was implemented; no cause was stated.

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

Affected components: Azure eastus2Serverless Indexes - Azure eastus2

Timeline of updates

  1. investigating

    We are currently investigating this issue.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

    A fix has been implemented and we are monitoring the results.

  4. resolved

    This incident has been resolved.

Rewindex changes for this incident

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