Request Details

Route
/api/v1/users GET
Timestamp
Sep 22, 2026 11:20 PM
Duration
21.58 ms
Status
204
Response Size
6.7 KB
Error
No

Performance Breakdown

Database
23.7% (2 queries)
View Rendering
29.7%
Application Logic
46.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
39.0 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 46.3ms 92.7ms 139.0ms 185.3ms

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
SELECT id, name FROM users WHERE email = ? 23 ms 106.6%
api/v1/users#index 22 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 21 ms 97.3%
api/v1/users#index 22 ms 100.0%
api/v1/users#index 22 ms 100.0%
posts/show 39 ms 180.7%
api/v1/users#index 22 ms 100.0%
layouts/application 16 ms 74.1%