Request Details

Route
/admin/users GET
Timestamp
Sep 15, 2026 2:50 PM
Duration
49.93 ms
Status
201
Response Size
19 KB
Error
No

Performance Breakdown

Database
52.9% (4 queries)
View Rendering
20.6%
Application Logic
26.4%
Other Operations
0.0%
Total Operations
8
Slowest Operation
49.93 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 47.2ms 94.5ms 141.7ms 188.9ms

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 id, name FROM users WHERE email = ? 24 ms 48.1%
SELECT * FROM posts WHERE created_at > ? 12 ms 24.0%
admin/users#index 50 ms 100.0%
posts/show 16 ms 32.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 30 ms 60.1%
SELECT name FROM users 34 ms 68.1%
layouts/application 13 ms 26.0%
posts/show 10 ms 20.0%