Request Details

Route
/api_complex GET
Timestamp
Sep 22, 2026 8:57 AM
Duration
116.73 ms
Status
201
Response Size
55 KB
Error
No

Performance Breakdown

Database
6.8% (5 queries)
View Rendering
3.6%
Application Logic
89.6%
Other Operations
0.0%
Total Operations
16
Slowest Operation
116.73 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 260.5ms 520.9ms 781.4ms 1041.8ms

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
posts/show 14 ms 12.0%
users/index 7 ms 6.0%
home#api_complex 117 ms 100.0%
home#api_complex 117 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 2 ms 1.7%
home#api_complex 117 ms 100.0%
home#api_complex 117 ms 100.0%
posts/show 16 ms 13.7%
home#api_complex 117 ms 100.0%
home#api_complex 117 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 32 ms 27.4%
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 14.6%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 8 ms 6.9%
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... 12 ms 10.3%
home#api_complex 117 ms 100.0%