Request Details

Route
/admin/users GET
Timestamp
Sep 20, 2026 11:55 PM
Duration
27.34 ms
Status
204
Response Size
12 KB
Error
No

Performance Breakdown

Database
48.5% (2 queries)
View Rendering
15.7%
Application Logic
35.8%
Other Operations
0.0%
Total Operations
4
Slowest Operation
27.34 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 19.1ms 38.2ms 57.3ms 76.3ms

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 id, name, email FROM users WHERE id = ? 15 ms 54.9%
home/index 12 ms 43.9%
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... 22 ms 80.5%
admin/users#index 27 ms 100.0%