Trello outage on Feb 13, 2024

What happened

Trello reported a major outage starting Feb 13, 2024, 09:30 UTC, affecting Trello.com, API. It was marked resolved at Feb 13, 2024, 11:46 UTC.

• The incident lasted 2h 16m from first report to resolution.
• Trello had reported 2 other partial or major outages in the 90 days before it.

Latest update from Trello

### Summary On Feb. 13, 2024, between 8:00 AM and 11:34 AM UTC, Trello experienced severely degraded performance appearing as a full or partial outage to Atlassian customers. The event was triggered by a buildup of long-running queries against our database, leading to slowed API response times and causing Trello to be degraded or unavailable for users. The root cause of the incident was identified as a compression change in our database deployed approximately 11 hours earlier during a low-traffic period. As European customers came online, traffic started increasing, resulting in a buildup of queries and the subsequent incident. The incident was detected by our monitoring system at 8:07 AM UTC and was mitigated by reverting the compression change and restarting components of our database system. The total time to resolution was 3 hours and 34 minutes. ### **IMPACT** The overall impact was between 8:00 AM and 11:34 AM UTC on Feb. 13, 2024. The incident caused Trello to be fully or par

Read Trello's official incident report ↗

What our independent monitoring saw

Our independent monitoring of Trello started after this incident, so this report is based on Trello's status page.

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