Request Details

Route
/api_complex GET
Timestamp
Sep 15, 2026 2:27 PM
Duration
283.44 ms
Status
204
Response Size
68 KB
Error
No

Performance Breakdown

Database
4.8% (5 queries)
View Rendering
3.1%
Application Logic
92.1%
Other Operations
0.0%
Total Operations
12
Slowest Operation
283.44 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 307.7ms 615.4ms 923.1ms 1230.8ms

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#api_complex 283 ms 100.0%
posts/show 5 ms 1.8%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 21 ms 7.4%
home/index 15 ms 5.3%
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... 3 ms 1.1%
layouts/application 18 ms 6.4%
SELECT name FROM users 21 ms 7.4%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 12 ms 4.2%
home#api_complex 283 ms 100.0%
home#api_complex 283 ms 100.0%
home#api_complex 283 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 2 ms 0.7%