Request Details

Route
/api_complex GET
Timestamp
Sep 20, 2026 1:38 PM
Duration
76.95 ms
Status
201
Response Size
12 KB
Error
No

Performance Breakdown

Database
14.3% (4 queries)
View Rendering
14.6%
Application Logic
71.1%
Other Operations
0.0%
Total Operations
10
Slowest Operation
76.95 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 108.2ms 216.4ms 324.6ms 432.8ms

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
users/index 30 ms 39.0%
home#api_complex 77 ms 100.0%
SELECT * FROM users WHERE id = ? 1 ms 1.3%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 7 ms 9.1%
home#api_complex 77 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... 27 ms 35.1%
home#api_complex 77 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 27 ms 35.1%
users/index 33 ms 42.9%
home#api_complex 77 ms 100.0%