Request Details

Route
/api_complex GET
Timestamp
Sep 09, 2026 2:49 PM
Duration
162.17 ms
Status
200
Response Size
30 KB
Error
No

Performance Breakdown

Database
18.9% (6 queries)
View Rendering
10.7%
Application Logic
70.4%
Other Operations
0.0%
Total Operations
13
Slowest Operation
162.17 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 172.9ms 345.8ms 518.6ms 691.5ms

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
SELECT * FROM users WHERE id = ? 10 ms 6.2%
layouts/application 11 ms 6.8%
SELECT * FROM posts WHERE created_at > ? 35 ms 21.6%
home#api_complex 162 ms 100.0%
home/index 28 ms 17.3%
users/index 18 ms 11.1%
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... 28 ms 17.3%
layouts/application 17 ms 10.5%
SELECT id, name FROM users WHERE email = ? 9 ms 5.5%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 25 ms 15.4%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 24 ms 14.8%
home#api_complex 162 ms 100.0%
home#api_complex 162 ms 100.0%