Request Details

Route
/api_complex GET
Timestamp
Sep 14, 2026 10:32 AM
Duration
210.98 ms
Status
200
Response Size
46 KB
Error
No

Performance Breakdown

Database
5.8% (2 queries)
View Rendering
20.1%
Application Logic
74.0%
Other Operations
0.0%
Total Operations
12
Slowest Operation
210.98 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 213.7ms 427.5ms 641.2ms 854.9ms

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 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... 34 ms 16.1%
home/index 29 ms 13.7%
home#api_complex 211 ms 100.0%
posts/show 12 ms 5.7%
users/index 10 ms 4.7%
home#api_complex 211 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 16 ms 7.6%
layouts/application 40 ms 19.0%
home/index 9 ms 4.3%
posts/show 34 ms 16.1%
posts/show 38 ms 18.0%
home#api_complex 211 ms 100.0%