Request Details

Route
/api_complex GET
Timestamp
Sep 22, 2026 1:25 AM
Duration
226.36 ms
Status
204
Response Size
24 KB
Error
No

Performance Breakdown

Database
9.8% (7 queries)
View Rendering
4.3%
Application Logic
85.9%
Other Operations
0.0%
Total Operations
14
Slowest Operation
226.36 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 329.4ms 658.9ms 988.3ms 1317.8ms

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 35 ms 15.5%
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... 24 ms 10.6%
home#api_complex 226 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... 32 ms 14.1%
SELECT name FROM users 11 ms 4.9%
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... 34 ms 15.0%
SELECT * FROM posts WHERE created_at > ? 14 ms 6.2%
home#api_complex 226 ms 100.0%
posts/show 22 ms 9.7%
home#api_complex 226 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 8 ms 3.5%
SELECT name FROM users 6 ms 2.7%
home#api_complex 226 ms 100.0%
home#api_complex 226 ms 100.0%