LangChain incident

Fetching traces timing out

Resolved after 36 minutes, on August 26, 2026.

resolved Aug 26, 2026, 04:53 PM UTC

A pathological query was impacting other query services. We've added protections against the pathological case and scaled up our query services. All services are now functioning as normal

Started
Aug 26, 2026, 04:16 PM UTC
Resolved
Aug 26, 2026, 04:53 PM UTC
Duration
36m
Detected by Pingoru
Aug 26, 2026, 04:16 PM UTC

Update timeline

  1. investigating Aug 26, 2026, 04:16 PM UTC

    We are currently investigating an issue where some trace loads are timing out

  2. investigating Aug 26, 2026, 04:26 PM UTC

    Currently dealing with some heavy queries causing issues fetching traces. We are scaling out our system which should remediate.

  3. investigating Aug 26, 2026, 04:27 PM UTC

    This is primarily affecting run querying

  4. monitoring Aug 26, 2026, 04:42 PM UTC

    We've identified the query causing problems to our systems and have pushed a mitigation. All systems look recovered but we are monitoring for any other problems.

  5. resolved Aug 26, 2026, 04:53 PM UTC

    A pathological query was impacting other query services. We've added protections against the pathological case and scaled up our query services. All services are now functioning as normal

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