Request Details

Route
/api_simple GET
Timestamp
Sep 11, 2026 5:49 AM
Duration
13.79 ms
Status
200
Response Size
232 Bytes
Error
No

Performance Breakdown

Database
32.0% (1 query)
View Rendering
0.0%
Application Logic
68.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
13.79 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
Database
0.0ms 10.1ms 20.3ms 30.4ms 40.6ms

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 * 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... 13 ms 94.3%
home#api_simple 14 ms 100.0%
home#api_simple 14 ms 100.0%