Request Details

Route
/api_complex GET
Timestamp
Sep 23, 2026 12:18 AM
Duration
180.09 ms
Status
200
Response Size
50 KB
Error
No

Performance Breakdown

Database
6.8% (5 queries)
View Rendering
6.9%
Application Logic
86.3%
Other Operations
0.0%
Total Operations
18
Slowest Operation
180.09 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 417.4ms 834.9ms 1252.3ms 1669.7ms

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 180 ms 100.0%
users/index 20 ms 11.1%
home#api_complex 180 ms 100.0%
home#api_complex 180 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 25 ms 13.9%
home#api_complex 180 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 25 ms 13.9%
home#api_complex 180 ms 100.0%
home#api_complex 180 ms 100.0%
layouts/application 39 ms 21.7%
layouts/application 5 ms 2.8%
home#api_complex 180 ms 100.0%
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... 21 ms 11.7%
users/index 20 ms 11.1%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 34 ms 18.9%
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 > ? 8 ms 4.4%
home#api_complex 180 ms 100.0%
home/index 32 ms 17.8%