Request Details

Route
/admin/users GET
Timestamp
Sep 19, 2026 3:15 PM
Duration
26.77 ms
Status
201
Response Size
9.6 KB
Error
No

Performance Breakdown

Database
5.9% (2 queries)
View Rendering
0.0%
Application Logic
94.1%
Other Operations
0.0%
Total Operations
5
Slowest Operation
26.77 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
Database
0.0ms 21.3ms 42.7ms 64.0ms 85.3ms

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... 3 ms 11.2%
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... 2 ms 7.5%
admin/users#index 27 ms 100.0%
admin/users#index 27 ms 100.0%
admin/users#index 27 ms 100.0%