Request Details

Route
/api_complex GET
Timestamp
Sep 22, 2026 10:14 PM
Duration
134.46 ms
Status
204
Response Size
68 KB
Error
No

Performance Breakdown

Database
12.8% (7 queries)
View Rendering
29.6%
Application Logic
57.6%
Other Operations
0.0%
Total Operations
25
Slowest Operation
134.46 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 291.6ms 583.1ms 874.7ms 1166.3ms

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 32 ms 23.8%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 5 ms 3.7%
home/index 21 ms 15.6%
posts/show 25 ms 18.6%
users/index 10 ms 7.4%
users/index 38 ms 28.3%
SELECT * FROM posts WHERE created_at > ? 33 ms 24.5%
home/index 37 ms 27.5%
layouts/application 19 ms 14.1%
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... 13 ms 9.7%
layouts/application 35 ms 26.0%
home#api_complex 134 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 30 ms 22.3%
layouts/application 13 ms 9.7%
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 > ? 20 ms 14.9%
home#api_complex 134 ms 100.0%
layouts/application 33 ms 24.5%
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... 15 ms 11.2%
posts/show 26 ms 19.3%
SELECT * FROM posts WHERE created_at > ? 33 ms 24.5%
posts/show 29 ms 21.6%
home#api_complex 134 ms 100.0%
home#api_complex 134 ms 100.0%
home/index 27 ms 20.1%
home#api_complex 134 ms 100.0%