Request Details

Route
/admin/users GET
Timestamp
Sep 18, 2026 3:07 PM
Duration
38.1 ms
Status
204
Response Size
9.5 KB
Error
No

Performance Breakdown

Database
16.3% (2 queries)
View Rendering
18.4%
Application Logic
65.3%
Other Operations
0.0%
Total Operations
8
Slowest Operation
38.1 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 58.4ms 116.7ms 175.1ms 233.4ms

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 38 ms 100.0%
posts/show 7 ms 18.4%
posts/show 36 ms 94.5%
admin/users#index 38 ms 100.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 20 ms 52.5%
admin/users#index 38 ms 100.0%
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... 18 ms 47.2%
admin/users#index 38 ms 100.0%