Request Details

Route
/admin/users GET
Timestamp
Sep 22, 2026 11:10 PM
Duration
29.21 ms
Status
204
Response Size
13 KB
Error
No

Performance Breakdown

Database
9.2% (2 queries)
View Rendering
43.3%
Application Logic
47.5%
Other Operations
0.0%
Total Operations
8
Slowest Operation
34.0 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 46.2ms 92.3ms 138.5ms 184.6ms

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
users/index 34 ms 116.4%
admin/users#index 29 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... 6 ms 20.5%
home/index 32 ms 109.5%
admin/users#index 29 ms 100.0%
admin/users#index 29 ms 100.0%
home/index 14 ms 47.9%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 11 ms 37.7%