Request Details

Route
/api_simple GET
Timestamp
Sep 16, 2026 9:53 PM
Duration
10.0 ms
Status
204
Response Size
1.1 KB
Error
No

Performance Breakdown

Database
37.3% (1 query)
View Rendering
36.0%
Application Logic
26.7%
Other Operations
0.0%
Total Operations
4
Slowest Operation
28.0 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 18.8ms 37.5ms 56.3ms 75.0ms

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
users/index 27 ms 270.0%
home#api_simple 10 ms 100.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 28 ms 280.0%
home#api_simple 10 ms 100.0%