Request Details

Route
/api_simple GET
Timestamp
Sep 10, 2026 5:20 AM
Duration
10.0 ms
Status
204
Response Size
866 Bytes
Error
No

Performance Breakdown

Database
77.8% (3 queries)
View Rendering
0.0%
Application Logic
22.2%
Other Operations
0.0%
Total Operations
4
Slowest Operation
21.0 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
Database
0.0ms 11.3ms 22.5ms 33.8ms 45.0ms

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%
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... 12 ms 120.0%
SELECT COUNT(*) FROM comments WHERE post_id = ? 21 ms 210.0%
SELECT * FROM posts WHERE created_at > ? 2 ms 20.0%