Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 12:05 AM
Duration
15.38 ms
Status
200
Response Size
2 KB
Error
No

Performance Breakdown

Database
43.1% (2 queries)
View Rendering
23.7%
Application Logic
33.2%
Other Operations
0.0%
Total Operations
6
Slowest Operation
34.0 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 34.8ms 69.6ms 104.4ms 139.1ms

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
home#api_simple 15 ms 100.0%
home#api_simple 15 ms 100.0%
users/index 33 ms 214.6%
home#api_simple 15 ms 100.0%
SELECT * FROM users WHERE id = ? 34 ms 221.1%
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... 26 ms 169.1%