Request Details

Route
/api/v1/users GET
Timestamp
Sep 21, 2026 2:13 AM
Duration
52.62 ms
Status
204
Response Size
16 KB
Error
No

Performance Breakdown

Database
11.8% (2 queries)
View Rendering
28.2%
Application Logic
60.1%
Other Operations
0.0%
Total Operations
8
Slowest Operation
52.62 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 65.7ms 131.4ms 197.1ms 262.9ms

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
api/v1/users#index 53 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 11 ms 20.9%
api/v1/users#index 53 ms 100.0%
api/v1/users#index 53 ms 100.0%
layouts/application 36 ms 68.4%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 20 ms 38.0%
users/index 25 ms 47.5%
posts/show 13 ms 24.7%