Request Details

Route
/api_complex GET
Timestamp
Sep 17, 2026 2:53 PM
Duration
113.56 ms
Status
204
Response Size
53 KB
Error
No

Performance Breakdown

Database
15.0% (11 queries)
View Rendering
7.7%
Application Logic
77.2%
Other Operations
0.0%
Total Operations
25
Slowest Operation
113.56 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 330.8ms 661.5ms 992.3ms 1323.1ms

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 114 ms 100.0%
home#api_complex 114 ms 100.0%
SELECT * FROM users WHERE id = ? 12 ms 10.6%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 15 ms 13.2%
home#api_complex 114 ms 100.0%
home#api_complex 114 ms 100.0%
home#api_complex 114 ms 100.0%
posts/show 19 ms 16.7%
home#api_complex 114 ms 100.0%
home#api_complex 114 ms 100.0%
INSERT INTO posts (user_id, title, content, published, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?) 9 ms 7.9%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 1 ms 0.9%
posts/show 19 ms 16.7%
home#api_complex 114 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 29 ms 25.5%
layouts/application 9 ms 7.9%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 6 ms 5.3%
home/index 36 ms 31.7%
home#api_complex 114 ms 100.0%
SELECT * FROM users WHERE id = ? 34 ms 29.9%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 14 ms 12.3%
home/index 19 ms 16.7%
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... 17 ms 15.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 31 ms 27.3%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 31 ms 27.3%