Request Details

Route
/api_simple GET
Timestamp
Sep 23, 2026 7:29 AM
Duration
10.47 ms
Status
204
Response Size
1.1 KB
Error
No

Performance Breakdown

Database
11.8% (1 query)
View Rendering
54.6%
Application Logic
33.6%
Other Operations
0.0%
Total Operations
6
Slowest Operation
33.0 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 23.4ms 46.7ms 70.1ms 93.4ms

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 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... 11 ms 105.0%
users/index 18 ms 171.9%
home#api_simple 10 ms 100.0%
home#api_simple 10 ms 100.0%
layouts/application 33 ms 315.1%
home#api_simple 10 ms 100.0%