Request Details

Route
/api/v1/users GET
Timestamp
Sep 21, 2026 10:15 PM
Duration
65.33 ms
Status
201
Response Size
4.7 KB
Error
No

Performance Breakdown

Database
33.7% (3 queries)
View Rendering
36.1%
Application Logic
30.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
65.33 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 54.1ms 108.2ms 162.3ms 216.3ms

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
layouts/application 14 ms 21.4%
api/v1/users#index 65 ms 100.0%
layouts/application 15 ms 23.0%
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... 29 ms 44.4%
users/index 15 ms 23.0%
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... 25 ms 38.3%
users/index 34 ms 52.0%
SELECT name FROM users 19 ms 29.1%