Request Details

Route
/api/v1/users GET
Timestamp
Sep 22, 2026 11:48 PM
Duration
35.54 ms
Status
204
Response Size
12 KB
Error
No

Performance Breakdown

Database
13.1% (1 query)
View Rendering
53.7%
Application Logic
33.2%
Other Operations
0.0%
Total Operations
7
Slowest Operation
38.0 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 53.5ms 107.0ms 160.6ms 214.1ms

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
posts/show 38 ms 106.9%
api/v1/users#index 36 ms 100.0%
api/v1/users#index 36 ms 100.0%
users/index 37 ms 104.1%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 28 ms 78.8%
layouts/application 28 ms 78.8%
posts/show 12 ms 33.8%