Request Details

Route
/api_simple GET
Timestamp
Sep 19, 2026 6:07 AM
Duration
25.16 ms
Status
200
Response Size
1.1 KB
Error
No

Performance Breakdown

Database
5.6% (1 query)
View Rendering
47.0%
Application Logic
47.3%
Other Operations
0.0%
Total Operations
4
Slowest Operation
25.16 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 13.3ms 26.6ms 39.9ms 53.2ms

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 25 ms 100.0%
users/index 15 ms 59.6%
home/index 10 ms 39.8%
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... 3 ms 11.9%