Request Details

Route
/api_simple GET
Timestamp
Sep 09, 2026 9:11 AM
Duration
23.86 ms
Status
204
Response Size
395 Bytes
Error
No

Performance Breakdown

Database
2.2% (1 query)
View Rendering
45.8%
Application Logic
52.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
23.86 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 11.5ms 22.9ms 34.4ms 45.9ms

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.*, 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... 1 ms 4.2%
layouts/application 21 ms 88.0%
home#api_simple 24 ms 100.0%