Request Details

Route
/users/:id GET
Timestamp
Sep 18, 2026 7:31 AM
Duration
34.32 ms
Status
200
Response Size
4.4 KB
Error
No

Performance Breakdown

Database
27.0% (3 queries)
View Rendering
49.9%
Application Logic
23.1%
Other Operations
0.0%
Total Operations
7
Slowest Operation
35.0 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 37.1ms 74.2ms 111.2ms 148.3ms

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 LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 20 ms 58.3%
layouts/application 17 ms 49.5%
users#show 34 ms 100.0%
SELECT * FROM users WHERE id = ? 11 ms 32.1%
posts/show 22 ms 64.1%
posts/show 35 ms 102.0%
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... 9 ms 26.2%