Request Details

Route
/api_simple GET
Timestamp
Sep 13, 2026 6:24 PM
Duration
10.0 ms
Status
200
Response Size
1.3 KB
Error
No

Performance Breakdown

Database
70.2% (4 queries)
View Rendering
21.8%
Application Logic
8.1%
Other Operations
0.0%
Total Operations
6
Slowest Operation
33.0 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 31.0ms 62.0ms 93.0ms 124.0ms

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 10 ms 100.0%
users/index 27 ms 270.0%
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 60.0%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 33 ms 330.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 27 ms 270.0%
SELECT * FROM users WHERE id = ? 21 ms 210.0%