Database Connection Pooling Tuner

My {{db_type}} pool config is causing {{symptom}} under {{load_profile}}. Current settings: pool_size={{pool_size}}, max_idle={{idle_timeout}}s, queue_timeout={{queue_timeout}}s.

Based on:
- Avg query time: {{avg_query_ms}}ms
- Peak connections: {{peak_connections}}
- Idle time distribution: {{idle_pattern}}

Recommend optimal pool tuning and explain why. Include monitoring queries.