Request Details

Route
/admin/users GET
Timestamp
Sep 12, 2026 3:25 AM
Duration
18.18 ms
Status
204
Response Size
10 KB
Error
No

Performance Breakdown

Database
44.2% (2 queries)
View Rendering
32.8%
Application Logic
23.0%
Other Operations
0.0%
Total Operations
4
Slowest Operation
26.0 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 19.8ms 39.6ms 59.4ms 79.2ms

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 comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 25 ms 137.5%
admin/users#index 18 ms 100.0%
layouts/application 26 ms 143.0%
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... 10 ms 55.0%