Request Details

Route
/api/v1/users GET
Timestamp
Sep 17, 2026 1:32 AM
Duration
74.3 ms
Status
204
Response Size
15 KB
Error
No

Performance Breakdown

Database
3.1% (1 query)
View Rendering
31.9%
Application Logic
65.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
74.3 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 57.2ms 114.3ms 171.5ms 228.6ms

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 26 ms 35.0%
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... 7 ms 9.4%
layouts/application 15 ms 20.2%
api/v1/users#index 74 ms 100.0%
api/v1/users#index 74 ms 100.0%
users/index 32 ms 43.1%