Request Details

Route
/admin/users GET
Timestamp
Sep 14, 2026 12:20 PM
Duration
36.49 ms
Status
204
Response Size
10 KB
Error
No

Performance Breakdown

Database
10.3% (2 queries)
View Rendering
31.7%
Application Logic
57.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
36.49 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 31.5ms 63.0ms 94.5ms 126.0ms

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... 5 ms 13.7%
admin/users#index 36 ms 100.0%
layouts/application 9 ms 24.7%
posts/show 8 ms 21.9%
layouts/application 23 ms 63.0%
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... 8 ms 21.9%
admin/users#index 36 ms 100.0%