Request Details

Route
/api/v1/users GET
Timestamp
Sep 12, 2026 11:12 AM
Duration
27.68 ms
Status
200
Response Size
17 KB
Error
No

Performance Breakdown

Database
23.7% (2 queries)
View Rendering
10.7%
Application Logic
65.6%
Other Operations
0.0%
Total Operations
5
Slowest Operation
27.68 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 21.1ms 42.2ms 63.3ms 84.4ms

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 name FROM users 1 ms 3.6%
users/index 9 ms 32.5%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 19 ms 68.6%
api/v1/users#index 28 ms 100.0%
api/v1/users#index 28 ms 100.0%