Request Details

Route
/users/:id GET
Timestamp
Sep 23, 2026 2:55 AM
Duration
35.25 ms
Status
200
Response Size
20 KB
Error
No

Performance Breakdown

Database
24.1% (3 queries)
View Rendering
52.3%
Application Logic
23.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
35.25 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 37.3ms 74.6ms 111.9ms 149.2ms

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 = ? 17 ms 48.2%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 5 ms 14.2%
layouts/application 11 ms 31.2%
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... 14 ms 39.7%
posts/show 30 ms 85.1%
home/index 10 ms 28.4%
users#show 35 ms 100.0%
home/index 27 ms 76.6%