Request Details

Route
/api_complex GET
Timestamp
Sep 24, 2026 11:59 AM
Duration
131.67 ms
Status
200
Response Size
24 KB
Error
No

Performance Breakdown

Database
1.3% (2 queries)
View Rendering
6.6%
Application Logic
92.1%
Other Operations
0.0%
Total Operations
17
Slowest Operation
131.67 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 357.4ms 714.9ms 1072.3ms 1429.7ms

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 132 ms 100.0%
home#api_complex 132 ms 100.0%
users/index 9 ms 6.8%
DELETE FROM comments WHERE created_at < ? 15 ms 11.4%
home#api_complex 132 ms 100.0%
home#api_complex 132 ms 100.0%
home#api_complex 132 ms 100.0%
home#api_complex 132 ms 100.0%
home#api_complex 132 ms 100.0%
home#api_complex 132 ms 100.0%
home#api_complex 132 ms 100.0%
layouts/application 19 ms 14.4%
users/index 28 ms 21.3%
layouts/application 16 ms 12.2%
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... 4 ms 3.0%
posts/show 22 ms 16.7%
home#api_complex 132 ms 100.0%