Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 10:32 PM
Duration
20.69 ms
Status
200
Response Size
1.9 KB
Error
No

Performance Breakdown

Database
48.3% (4 queries)
View Rendering
17.2%
Application Logic
34.5%
Other Operations
0.0%
Total Operations
8
Slowest Operation
32.0 ms

Request Trace

How to read this

Each row is a layer of your stack. Many short Database bars means N+1 queries — fix with includes(). A wide Action bar with little Database time means slow Ruby code. A wide View bar usually means a partial rendered in a loop.

Action
View
Database
Other
Action
View
Database
0.0ms 45.0ms 90.0ms 135.1ms 180.1ms

Operations

How to use this

Sort by Impact to find your biggest wins. Click any row for details and optimisation suggestions. The same SQL appearing multiple times is an N+1 — fix with includes(). A single operation above 50% impact is your highest priority.

Operation Duration Impact Timeline Actions
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 24 ms 116.0%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 15 ms 72.5%
home#api_simple 21 ms 100.0%
home/index 31 ms 149.8%
SELECT name FROM users 32 ms 154.7%
home#api_simple 21 ms 100.0%
home#api_simple 21 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 16 ms 77.3%