Request Details

Route
/api_simple GET
Timestamp
Sep 23, 2026 12:44 AM
Duration
34.47 ms
Status
204
Response Size
1.3 KB
Error
No

Performance Breakdown

Database
2.7% (1 query)
View Rendering
35.2%
Application Logic
62.1%
Other Operations
0.0%
Total Operations
7
Slowest Operation
39.0 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 55.5ms 110.9ms 166.4ms 221.9ms

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 34 ms 100.0%
posts/show 39 ms 113.1%
layouts/application 39 ms 113.1%
home#api_simple 34 ms 100.0%
home#api_simple 34 ms 100.0%
home#api_simple 34 ms 100.0%
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... 6 ms 17.4%