Request Details

Route
/api_complex GET
Timestamp
Sep 09, 2026 11:28 PM
Duration
779.72 ms
Status
200
Response Size
52 KB
Error
No

Performance Breakdown

Database
1.0% (3 queries)
View Rendering
1.9%
Application Logic
97.1%
Other Operations
0.0%
Total Operations
16
Slowest Operation
779.72 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 1605.9ms 3211.9ms 4817.8ms 6423.8ms

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
DELETE FROM posts WHERE id = ? 35 ms 4.5%
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... 15 ms 1.9%
home/index 10 ms 1.3%
home#api_complex 780 ms 100.0%
home#api_complex 780 ms 100.0%
users/index 17 ms 2.2%
posts/show 14 ms 1.8%
home#api_complex 780 ms 100.0%
INSERT INTO posts (user_id, title, content, published, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?) 17 ms 2.2%
home#api_complex 780 ms 100.0%
layouts/application 40 ms 5.1%
home#api_complex 780 ms 100.0%
home#api_complex 780 ms 100.0%
home/index 38 ms 4.9%
home#api_complex 780 ms 100.0%
home#api_complex 780 ms 100.0%