Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 9:02 AM
Duration
29.11 ms
Status
201
Response Size
1.4 KB
Error
No

Performance Breakdown

Database
23.7% (2 queries)
View Rendering
52.4%
Application Logic
23.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
33.0 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 30.5ms 61.1ms 91.6ms 122.1ms

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 name FROM users 4 ms 13.7%
layouts/application 33 ms 113.4%
layouts/application 17 ms 58.4%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 25 ms 85.9%
users/index 14 ms 48.1%
home#api_simple 29 ms 100.0%