Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 11:20 AM
Duration
34.91 ms
Status
201
Response Size
989 Bytes
Error
No

Performance Breakdown

Database
37.5% (4 queries)
View Rendering
19.7%
Application Logic
42.9%
Other Operations
0.0%
Total Operations
8
Slowest Operation
34.91 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 40.7ms 81.4ms 122.1ms 162.8ms

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
home#api_simple 35 ms 100.0%
home/index 9 ms 25.8%
posts/show 23 ms 65.9%
SELECT * FROM users WHERE id = ? 11 ms 31.5%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 13 ms 37.2%
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... 10 ms 28.6%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 27 ms 77.3%
home#api_simple 35 ms 100.0%