Request Details

Route
/api_complex GET
Timestamp
Sep 18, 2026 6:10 AM
Duration
118.28 ms
Status
201
Response Size
30 KB
Error
No

Performance Breakdown

Database
9.4% (5 queries)
View Rendering
6.2%
Application Logic
84.4%
Other Operations
0.0%
Total Operations
15
Slowest Operation
118.28 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 245.2ms 490.5ms 735.7ms 980.9ms

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 118 ms 100.0%
home#api_complex 118 ms 100.0%
DELETE FROM posts WHERE id = ? 20 ms 16.9%
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... 11 ms 9.3%
home#api_complex 118 ms 100.0%
home#api_complex 118 ms 100.0%
home#api_complex 118 ms 100.0%
home#api_complex 118 ms 100.0%
layouts/application 27 ms 22.8%
home/index 23 ms 19.4%
INSERT INTO posts (user_id, title, content, published, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?) 16 ms 13.5%
home#api_complex 118 ms 100.0%
DELETE FROM posts WHERE id = ? 24 ms 20.3%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 21 ms 17.8%
layouts/application 11 ms 9.3%