Request Details

Route
/api_complex GET
Timestamp
Sep 12, 2026 8:30 PM
Duration
107.16 ms
Status
201
Response Size
37 KB
Error
No

Performance Breakdown

Database
4.0% (2 queries)
View Rendering
13.6%
Application Logic
82.3%
Other Operations
0.0%
Total Operations
15
Slowest Operation
107.16 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 260.3ms 520.6ms 780.9ms 1041.3ms

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/index 11 ms 10.3%
home#api_complex 107 ms 100.0%
home#api_complex 107 ms 100.0%
home#api_complex 107 ms 100.0%
layouts/application 25 ms 23.3%
SELECT * FROM users WHERE id = ? 17 ms 15.9%
home#api_complex 107 ms 100.0%
home#api_complex 107 ms 100.0%
home#api_complex 107 ms 100.0%
posts/show 37 ms 34.5%
home#api_complex 107 ms 100.0%
users/index 33 ms 30.8%
home/index 36 ms 33.6%
home#api_complex 107 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 25 ms 23.3%