Request Details

Route
/api_complex GET
Timestamp
Sep 18, 2026 10:00 AM
Duration
176.22 ms
Status
201
Response Size
53 KB
Error
No

Performance Breakdown

Database
3.7% (3 queries)
View Rendering
9.4%
Application Logic
86.9%
Other Operations
0.0%
Total Operations
11
Slowest Operation
176.22 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 253.5ms 507.0ms 760.6ms 1014.1ms

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 176 ms 100.0%
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... 23 ms 13.1%
home#api_complex 176 ms 100.0%
home#api_complex 176 ms 100.0%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 10 ms 5.7%
home#api_complex 176 ms 100.0%
home#api_complex 176 ms 100.0%
layouts/application 37 ms 21.0%
posts/show 32 ms 18.2%
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... 5 ms 2.8%
layouts/application 26 ms 14.8%