Request Details

Route
/api_complex GET
Timestamp
Sep 11, 2026 4:21 PM
Duration
84.38 ms
Status
204
Response Size
30 KB
Error
No

Performance Breakdown

Database
1.2% (1 query)
View Rendering
26.4%
Application Logic
72.4%
Other Operations
0.0%
Total Operations
12
Slowest Operation
84.38 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 145.7ms 291.5ms 437.2ms 582.9ms

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_complex 84 ms 100.0%
home/index 17 ms 20.1%
posts/show 25 ms 29.6%
layouts/application 39 ms 46.2%
home#api_complex 84 ms 100.0%
home#api_complex 84 ms 100.0%
home#api_complex 84 ms 100.0%
users/index 37 ms 43.8%
home#api_complex 84 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 7 ms 8.3%
home/index 29 ms 34.4%
posts/show 7 ms 8.3%