Request Details

Route
/api_simple GET
Timestamp
Sep 23, 2026 7:45 AM
Duration
11.24 ms
Status
200
Response Size
1.3 KB
Error
No

Performance Breakdown

Database
27.3% (1 query)
View Rendering
39.9%
Application Logic
32.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
30.0 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 25.7ms 51.4ms 77.0ms 102.7ms

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 > ? 28 ms 249.2%
home/index 30 ms 267.0%
users/index 11 ms 97.9%
home#api_simple 11 ms 100.0%
home#api_simple 11 ms 100.0%
home#api_simple 11 ms 100.0%