Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 11:41 PM
Duration
22.36 ms
Status
201
Response Size
2.2 KB
Error
No

Performance Breakdown

Database
49.1% (3 queries)
View Rendering
21.2%
Application Logic
29.7%
Other Operations
0.0%
Total Operations
5
Slowest Operation
22.36 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 18.8ms 37.7ms 56.5ms 75.4ms

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 DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 19 ms 85.0%
SELECT id, name FROM users WHERE email = ? 3 ms 13.4%
home#api_simple 22 ms 100.0%
layouts/application 16 ms 71.6%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 15 ms 67.1%