Request Details

Route
/api_simple GET
Timestamp
Sep 15, 2026 7:08 AM
Duration
10.0 ms
Status
204
Response Size
1.1 KB
Error
No

Performance Breakdown

Database
12.5% (2 queries)
View Rendering
56.3%
Application Logic
31.3%
Other Operations
0.0%
Total Operations
7
Slowest Operation
32.0 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 24.0ms 48.0ms 72.0ms 96.0ms

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 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... 4 ms 40.0%
home#api_simple 10 ms 100.0%
home#api_simple 10 ms 100.0%
users/index 22 ms 220.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 8 ms 80.0%
posts/show 32 ms 320.0%
home#api_simple 10 ms 100.0%