Request Details

Route
/api_simple GET
Timestamp
Sep 15, 2026 2:59 AM
Duration
13.02 ms
Status
204
Response Size
1.6 KB
Error
No

Performance Breakdown

Database
15.7% (1 query)
View Rendering
61.6%
Application Logic
22.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
32.0 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 43.0ms 86.0ms 129.1ms 172.1ms

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... 27 ms 207.3%
home/index 25 ms 192.0%
posts/show 18 ms 138.2%
layouts/application 31 ms 238.0%
posts/show 32 ms 245.7%
home#api_simple 13 ms 100.0%
home#api_simple 13 ms 100.0%
home#api_simple 13 ms 100.0%