Request Details

Route
/admin/users GET
Timestamp
Sep 22, 2026 12:04 AM
Duration
20.45 ms
Status
200
Response Size
6.6 KB
Error
No

Performance Breakdown

Database
17.4% (2 queries)
View Rendering
56.2%
Application Logic
26.4%
Other Operations
0.0%
Total Operations
7
Slowest Operation
39.0 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 38.7ms 77.4ms 116.2ms 154.9ms

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
admin/users#index 20 ms 100.0%
posts/show 39 ms 190.7%
layouts/application 23 ms 112.5%
admin/users#index 20 ms 100.0%
posts/show 25 ms 122.3%
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... 10 ms 48.9%
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... 17 ms 83.1%