Operation 134528
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ?- Operation Type
sql
- Duration
- 15.0 ms
- Request Impact
- 3.4% of total request time
- Occurred At
- Sep 23, 2026 1:50 AM
- SQL Analysis
- Normal query (<100 ms)
- Performance Comparison
-
Average: 18.2ms
95th Percentile: 34.0ms
Based on 1000 recent operations - Related Operations
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5 similar operations in this request
Potential N+1 query pattern detected - Optimization Tips
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Add composite index: add_index :comments, ["post_id", "created_at"] - Single index for filtering and sortingAdd single_column index: add_index :comments, :post_id - Fast lookups for post_id = value queriesAdd single_column index: add_index :comments, :created_at - Avoid sorting for ORDER BY created_atSpecify only needed columns instead of SELECT * - Reduced memory usage and faster data transferIndex Optimization - Review indexes on the 'comments' table. Consider composite indexes for WHERE clauses.