Request Details

Route
/admin/users GET
Timestamp
Sep 09, 2026 1:05 PM
Duration
41.94 ms
Status
201
Response Size
5.4 KB
Error
No

Performance Breakdown

Database
11.5% (2 queries)
View Rendering
40.3%
Application Logic
48.2%
Other Operations
0.0%
Total Operations
5
Slowest Operation
41.94 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 21.7ms 43.5ms 65.2ms 86.9ms

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 (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... 7 ms 16.7%
users/index 26 ms 62.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 3 ms 7.2%
posts/show 9 ms 21.5%
admin/users#index 42 ms 100.0%