Operation 139728

SELECT COUNT(*) FROM comments WHERE post_id = ?
Operation Type
sql
Duration
29.0 ms
Request Impact
24.0% of total request time
Occurred At
Sep 22, 2026 8:07 PM
SQL Analysis
Normal query (<100 ms)
Performance Comparison
Average: 18.2ms
95th Percentile: 34.0ms
Based on 1000 recent operations
Related Operations
5 similar operations in this request
Potential N+1 query pattern detected
Optimization Tips
Add single_column index: add_index :comments, :post_id - Fast lookups for post_id = value queries
Index Optimization - Review indexes on the 'comments' table. Consider composite indexes for WHERE clauses.