Request Details

Route
/api_complex GET
Timestamp
Sep 22, 2026 6:03 PM
Duration
110.85 ms
Status
204
Response Size
71 KB
Error
No

Performance Breakdown

Database
4.4% (5 queries)
View Rendering
9.7%
Application Logic
85.9%
Other Operations
0.0%
Total Operations
18
Slowest Operation
110.85 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 290.4ms 580.8ms 871.2ms 1161.6ms

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 40 ms 36.1%
layouts/application 26 ms 23.5%
posts/show 22 ms 19.8%
home#api_complex 111 ms 100.0%
posts/show 25 ms 22.6%
home#api_complex 111 ms 100.0%
home#api_complex 111 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 2 ms 1.8%
SELECT * FROM posts WHERE created_at > ? 23 ms 20.7%
home#api_complex 111 ms 100.0%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 5 ms 4.5%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 11 ms 9.9%
home#api_complex 111 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 > ? 10 ms 9.0%
home#api_complex 111 ms 100.0%
home#api_complex 111 ms 100.0%
home#api_complex 111 ms 100.0%
home#api_complex 111 ms 100.0%