Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 9:15 AM
Duration
18.52 ms
Status
204
Response Size
422 Bytes
Error
No

Performance Breakdown

Database
2.1% (1 query)
View Rendering
58.9%
Application Logic
39.0%
Other Operations
0.0%
Total Operations
5
Slowest Operation
28.0 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 23.8ms 47.5ms 71.3ms 95.0ms

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
home#api_simple 19 ms 100.0%
posts/show 28 ms 151.2%
home#api_simple 19 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... 2 ms 10.8%
home/index 28 ms 151.2%