Request Details

Route
/api_complex GET
Timestamp
Sep 13, 2026 10:14 PM
Duration
165.24 ms
Status
200
Response Size
63 KB
Error
No

Performance Breakdown

Database
6.3% (6 queries)
View Rendering
7.6%
Application Logic
86.2%
Other Operations
0.0%
Total Operations
21
Slowest Operation
165.24 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 431.5ms 863.1ms 1294.6ms 1726.1ms

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 165 ms 100.0%
home#api_complex 165 ms 100.0%
home#api_complex 165 ms 100.0%
layouts/application 20 ms 12.1%
home#api_complex 165 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 24 ms 14.5%
home/index 18 ms 10.9%
home#api_complex 165 ms 100.0%
home#api_complex 165 ms 100.0%
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... 27 ms 16.3%
layouts/application 12 ms 7.3%
posts/show 12 ms 7.3%
home#api_complex 165 ms 100.0%
DELETE FROM comments WHERE created_at < ? 4 ms 2.4%
posts/show 34 ms 20.6%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 4 ms 2.4%
SELECT * FROM posts WHERE created_at > ? 21 ms 12.7%
home#api_complex 165 ms 100.0%
layouts/application 35 ms 21.2%
home#api_complex 165 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 28 ms 16.9%