Request Details

Route
/api_complex GET
Timestamp
Sep 23, 2026 6:02 AM
Duration
222.6 ms
Status
204
Response Size
14 KB
Error
No

Performance Breakdown

Database
7.4% (6 queries)
View Rendering
10.3%
Application Logic
82.3%
Other Operations
0.0%
Total Operations
17
Slowest Operation
222.6 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 270.3ms 540.7ms 811.0ms 1081.4ms

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/index 10 ms 4.5%
SELECT id, name, email FROM users WHERE id = ? 8 ms 3.6%
posts/show 8 ms 3.6%
home#api_complex 223 ms 100.0%
users/index 27 ms 12.1%
home/index 5 ms 2.2%
home#api_complex 223 ms 100.0%
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... 3 ms 1.3%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 17 ms 7.6%
SELECT * FROM posts WHERE created_at > ? 29 ms 13.0%
users/index 22 ms 9.9%
layouts/application 29 ms 13.0%
home#api_complex 223 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 5 ms 2.2%
home#api_complex 223 ms 100.0%
INSERT INTO posts (user_id, title, content, published, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?) 18 ms 8.1%
posts/show 10 ms 4.5%