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Trello was temporarily inaccessible

ResolvedmajorOfficial source confirmedFirst recorded update May 15, 2025, 02:27 PM · Resolved May 15, 2025, 03:21 PM

### **SUMMARY** On May 15, 2025, between 13:55 and 14:18 UTC, Atlassian customers using the Trello product experienced errors or slow loading times when attempting to view their cards and boards. The event was triggered by a database plan cache expiring and high resource usage caused by subsequent database query planning operations. The particular database shard that was impacted held data that was required for every card load. The incident was detected within two minutes by the automated monitoring system and mitigated by increasing resources available to the affected database shard,...

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What visitors reported during this incident

No visitor reports were filed for this incident.

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Updates (3)

  1. May 27, 2025, 07:04 PM
    Trello was temporarily inaccessible

    ### **SUMMARY** On May 15, 2025, between 13:55 and 14:18 UTC, Atlassian customers using the Trello product experienced errors or slow loading times when attempting to view their cards and boards. The event was triggered by a database plan cache expiring and high resource usage caused by subsequent database query planning operations. The particular database shard that was impacted held data that was required for every card load. The incident was detected within two minutes by the automated monitoring system and mitigated by increasing resources available to the affected database shard, which p

    Trello ↗
  2. May 15, 2025, 03:21 PM
    Trello was temporarily inaccessible

    A fix has been implemented, and the issue is now resolved.

    Trello ↗
  3. May 15, 2025, 02:27 PM
    Trello was temporarily inaccessible

    We are aware that Trello was temporarily inaccessible for all customers. The system has already been recovered, and we are monitoring the situation.

    Trello ↗

What to do next

  • Verify your own services recovered cleanly. Some upstream outages leave queues or caches in a degraded state, run smoke tests before declaring green internally.
  • Save the post-mortem. Vendors usually publish a detailed RCA 1-3 days later. We'll add it to this page when it appears.
  • Watch the provider going forward. Follow Trello's status feed →

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