Request Details

Route
/api_complex GET
Timestamp
Sep 13, 2026 4:02 AM
Duration
117.19 ms
Status
201
Response Size
67 KB
Error
No

Performance Breakdown

Database
13.8% (5 queries)
View Rendering
11.6%
Application Logic
74.6%
Other Operations
0.0%
Total Operations
13
Slowest Operation
117.19 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 157.2ms 314.4ms 471.6ms 628.8ms

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 117 ms 100.0%
users/index 29 ms 24.7%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 26 ms 22.2%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 23 ms 19.6%
home/index 31 ms 26.5%
layouts/application 7 ms 6.0%
home#api_complex 117 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 18 ms 15.4%
home#api_complex 117 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... 17 ms 14.5%
home#api_complex 117 ms 100.0%
home/index 6 ms 5.1%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 3 ms 2.6%