Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 4:39 PM
Duration
28.93 ms
Status
200
Response Size
319 Bytes
Error
No

Performance Breakdown

Database
10.8% (1 query)
View Rendering
19.8%
Application Logic
69.4%
Other Operations
0.0%
Total Operations
7
Slowest Operation
28.93 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 41.7ms 83.4ms 125.1ms 166.7ms

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 29 ms 100.0%
layouts/application 20 ms 69.1%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 18 ms 62.2%
home#api_simple 29 ms 100.0%
home#api_simple 29 ms 100.0%
users/index 13 ms 44.9%
home#api_simple 29 ms 100.0%