Request Details

Route
/api_simple GET
Timestamp
Sep 16, 2026 2:24 PM
Duration
19.36 ms
Status
204
Response Size
931 Bytes
Error
No

Performance Breakdown

Database
16.8% (1 query)
View Rendering
56.1%
Application Logic
27.1%
Other Operations
0.0%
Total Operations
3
Slowest Operation
40.0 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 17.8ms 35.7ms 53.5ms 71.4ms

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 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... 12 ms 62.0%
users/index 40 ms 206.6%
home#api_simple 19 ms 100.0%