Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 1:38 AM
Duration
10.0 ms
Status
204
Response Size
1022 Bytes
Error
No

Performance Breakdown

Database
32.3% (2 queries)
View Rendering
61.5%
Application Logic
6.2%
Other Operations
0.0%
Total Operations
7
Slowest Operation
37.0 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 40.3ms 80.5ms 120.8ms 161.0ms

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
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... 31 ms 310.0%
users/index 22 ms 220.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 21 ms 210.0%
layouts/application 13 ms 130.0%
posts/show 27 ms 270.0%
home#api_simple 10 ms 100.0%
layouts/application 37 ms 370.0%