Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 12:14 PM
Duration
15.52 ms
Status
200
Response Size
533 Bytes
Error
No

Performance Breakdown

Database
29.5% (1 query)
View Rendering
40.9%
Application Logic
29.5%
Other Operations
0.0%
Total Operations
5
Slowest Operation
31.0 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 26.3ms 52.5ms 78.8ms 105.0ms

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 16 ms 100.0%
users/index 24 ms 154.7%
home#api_simple 16 ms 100.0%
users/index 19 ms 122.4%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 31 ms 199.8%