Request Details

Route
/admin/users GET
Timestamp
Sep 10, 2026 7:54 PM
Duration
39.82 ms
Status
200
Response Size
4 KB
Error
No

Performance Breakdown

Database
54.1% (5 queries)
View Rendering
25.8%
Application Logic
20.1%
Other Operations
0.0%
Total Operations
8
Slowest Operation
39.82 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 49.5ms 98.9ms 148.4ms 197.8ms

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 40 ms 100.0%
DELETE FROM comments WHERE created_at < ? 28 ms 70.3%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 26 ms 65.3%
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... 29 ms 72.8%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 22 ms 55.3%
layouts/application 25 ms 62.8%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 2 ms 5.0%
posts/show 26 ms 65.3%