Request Details

Route
/api_simple GET
Timestamp
Sep 23, 2026 1:18 AM
Duration
19.4 ms
Status
201
Response Size
1.7 KB
Error
No

Performance Breakdown

Database
62.5% (3 queries)
View Rendering
37.5%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
6
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
View
Database
0.0ms 28.0ms 56.0ms 84.0ms 112.0ms

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
users/index 14 ms 72.2%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 32 ms 165.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 7 ms 36.1%
users/index 16 ms 82.5%
SELECT name FROM users 31 ms 159.8%
users/index 12 ms 61.9%