Request Details

Route
/admin/users GET
Timestamp
Sep 17, 2026 12:52 AM
Duration
15.89 ms
Status
201
Response Size
12 KB
Error
No

Performance Breakdown

Database
62.8% (3 queries)
View Rendering
10.2%
Application Logic
27.0%
Other Operations
0.0%
Total Operations
5
Slowest Operation
23.0 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 14.7ms 29.4ms 44.2ms 58.9ms

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 posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 4 ms 25.2%
admin/users#index 16 ms 100.0%
home/index 6 ms 37.8%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 23 ms 144.7%
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... 10 ms 62.9%