High memory usage causes out-of-memory failures

critical

Resource ContentionUpdated Jul 8, 2025(via Exa)

Sources

10 Must-Have SQL Queries to Monitor Trino: Unlocking Insights from the trino_events.trino_queries | by Vivek Jain | Mediummedium.com

Technologies:

Trinosubject

How to detect:

Queries with high peak_memory_bytes approaching cluster memory limits risk triggering out-of-memory failures

Recommended action:

Monitor peak memory consumption per query using trino_events.trino_queries. Identify and optimize memory-intensive queries. Adjust cluster sizing if OOM events occur.