Request Details

Route
/api_simple GET
Timestamp
Sep 09, 2026 8:21 PM
Duration
14.77 ms
Status
204
Response Size
2.2 KB
Error
No

Performance Breakdown

Database
9.2% (1 query)
View Rendering
0.0%
Application Logic
90.8%
Other Operations
0.0%
Total Operations
3
Slowest Operation
14.77 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 8.1ms 16.3ms 24.4ms 32.5ms

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 15 ms 100.0%
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 > ? 3 ms 20.3%
home#api_simple 15 ms 100.0%